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Top 10 Best Astro Chart Software of 2026

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Top 10 Best Astro Chart Software of 2026

Top 10 roundup compares astro chart software tools like Astro Gold and Astro-Seek, covering features and tradeoffs for astrology charting.

20 min readUpdated Editorially scoped research
How we ranked these tools
01Editorial Scope

Vendors set the topic, but our editors set the inclusion criteria and the evaluation framework before research starts.

02Source Research

Search agents gather the source set and the review record, including transcriptions of video reviews and podcasts.

Read our full methodology →

Framework: Features 40% · Ease 30% · Value 30%

Gitnux may earn a commission through links on this page — this does not influence rankings. Editorial policy

Astro chart software matters when natal calculations, transit overlays, and compatibility work must produce consistent chart outputs for research, production, and repeatable reporting. This comparison helps analysts weigh tradeoffs between desktop-grade chart engines like Astro Gold and browser-first tools that emphasize quick output, template exports, and interpretive workflows.

Astro.com is the best overall pick for practitioners who want repeatable natal and relationship charts with consistent exports because its interactive setup gives you fine-grained orb and aspect-grid control. Astro Gold is the desktop alternative for astrologers delivering client-ready PDFs since its export workflow keeps chart glyphs and aspect settings uniform.

Editor’s top 3 picks

Three quick recommendations before you dive into the full comparison below — each one leads on a different dimension.

Editor pick
1

Astro.com

Interactive chart setup on the site with granular orb and aspect grid controls for consistent report outputs.

Best for: Fits when practitioners need repeatable natal and relationship charts with report exports, not API integration.

2

Astro Gold

Editor pick

PDF export of chart reports with consistent glyph rendering and aspect-grid settings across chart types.

Best for: Fits when astrologers need repeatable chart generation and PDF deliverables without multi-user administration.

3

Astro-Seek

Editor pick

Downloadable chart reports that preserve wheel and aspect grid context for offline use.

Best for: Fits when individual practitioners need fast chart creation with exportable reports.

Comparison Table

1
Astro.comBest overall
vertical specialist
9.2/10
Overall
2
desktop
8.7/10
Overall
3
vertical specialist
8.6/10
Overall
4
vertical specialist
8.4/10
Overall
5
consumer web
8.3/10
Overall
6
vertical specialist
7.7/10
Overall
7
vertical specialist
7.6/10
Overall
8
vertical specialist
7.1/10
Overall
9
vertical specialist
6.8/10
Overall
10
consumer web
6.6/10
Overall
#1

Astro.com

vertical specialist

Astrodienst provides natal charts, transit charts, relationship charts, and extensive astrology data.

9.2/10
Overall
Features9.2/10
Ease of Use9.4/10
Value9.0/10
Standout feature

Interactive chart setup on the site with granular orb and aspect grid controls for consistent report outputs.

Astro.com focuses on natal chart generation and report-style output using built-in ephemeris calculations and a wide selection of house and zodiac settings. Birth data entry flows into chart wheel rendering and standard interpretation outputs that are easy to download for offline reference.

The site’s differentiation is browser-first chart production with calculator-grade control over planetary positions, aspect grids, and orb settings rather than workflow automation or custom integrations. Astro.com is best assessed for repeatable chart outputs and exportable reports rather than API-driven orchestration.

Pros
  • +Strong house and zodiac configuration for natal and derived charts
  • +Aspect grid controls with explicit major and minor aspect handling
  • +Chart reports are export-friendly for offline review and sharing
  • +Browser-based chart rendering avoids local software setup
Cons
  • –Limited evidence of API access for programmatic chart generation
  • –Automation is mostly manual since workflows are not configurable
  • –Deep customization can require many separate page interactions
  • –Relocation and advanced derived chart coverage can feel sectional
Use scenarios
  • Astrology students and educators

    Generate consistent chart examples

    Consistent class-ready chart sets

  • Astrologers with uncertain birth times

    Investigate birth-time rectification

    Better-supported birth-time assessment

Show 2 more scenarios
  • Astrology practitioners and analysts

    Produce natal charts with aspects

    Downloadable natal chart reports

    Compute birth charts with houses and aspect grids for readable report-style outputs.

  • Relationship astrologers and clients

    Review synastry and compatibility views

    Clear relationship chart comparisons

    Use two chart datasets to examine relationship compatibility in structured chart comparisons.

Best for: Fits when practitioners need repeatable natal and relationship charts with report exports, not API integration.

#2

Astro Gold

desktop

Astro Gold provides professional astrology charting software for macOS, Windows, iOS, and Android.

8.7/10
Overall
Features8.7/10
Ease of Use8.7/10
Value8.7/10
Standout feature

PDF export of chart reports with consistent glyph rendering and aspect-grid settings across chart types.

Astro Gold is a desktop-first natal, transit, and chart-report tool built around fast chart rendering and export workflows. Birth data entry supports targeted house-system and zodiac choices that carry through aspect grid and chart wheel generation.

The app produces downloadable chart reports and PDF exports for client-style deliverables. Focus stays on dependable ephemeris-based planetary positions rather than collaborative features.

Pros
  • +Fast chart generation supports frequent transit and aspect-grid iterations
  • +Exportable chart reports and PDF output fit client delivery workflows
  • +Major settings like zodiac choice and house system apply consistently
  • +Clear chart wheel and glyph rendering for repeated chart reviews
Cons
  • –API access and automation hooks are not a primary surface area
  • –Governance controls like RBAC and audit logs are not core capabilities
  • –Batch production for large birth-data sets is limited
  • –Less guidance for specialized workflows like synastry matrices at scale
Use scenarios
  • Professional astrologers

    Produce client natal charts for consultations

    Client-ready chart deliverables

  • Freelance astrologers

    Export PDF chart reports for clients

    Printable PDF outputs

Show 2 more scenarios
  • Birth-time rectification specialists

    Compare charts across candidate birth times

    Side-by-side evidence

    Review how houses and aspects change across multiple times to assess likely birth-time adjustments.

  • Relationship-focused astrologers

    Compare charts for synastry reading

    Visual aspect comparison

    Use multiple charts and their aspects to support relationship interpretation during consultations.

Best for: Fits when astrologers need repeatable chart generation and PDF deliverables without multi-user administration.

#3

Astro-Seek

vertical specialist

Astro-Seek provides free natal, transit, synastry, solar return, and specialized astrology charts.

8.6/10
Overall
Features8.6/10
Ease of Use8.6/10
Value8.6/10
Standout feature

Downloadable chart reports that preserve wheel and aspect grid context for offline use.

Astro-Seek calculates natal charts from birth data entry and renders a chart wheel with planetary positions, houses, and aspect grids. The ephemeris and charting workflow support tropical and sidereal zodiacs, including ascendant and midheaven calculations.

It also generates common derivative chart types like transit and synastry while offering downloadable chart reports for offline review. Output is centered on interpretable visuals and exportable reports rather than an automation-first API workflow.

Pros
  • +Rapid birth data entry to chart wheel output with aspect grid rendering
  • +Supports tropical and sidereal zodiac modes for consistent position math
  • +Exports downloadable chart reports for sharing and offline review
  • +Covers synastry and transit workflows within the same charting flow
Cons
  • –Automation options and API surface are not the main design focus
  • –Orb settings and aspect granularity can feel limited versus research-grade tools
  • –High-volume batch processing for many charts needs external workflow planning
  • –Less governance tooling for teams compared with enterprise chart suites
Use scenarios
  • Astrology readers

    Generate birth chart for interpretation

    Interpretable natal chart created

  • Professional astrologers

    Export charts for client handouts

    Shareable chart documentation prepared

Show 2 more scenarios
  • Relationship-focused astrologers

    Compare two charts for synastry

    Synastry aspects mapped

    It pairs two birth datasets and renders comparison charts and aspect grids.

  • Vedic astrology students

    Create sidereal kundali with divisional views

    Kundali chart set available

    Astro-Seek supports sidereal charting to generate Vedic kundali sets for study and documentation.

Best for: Fits when individual practitioners need fast chart creation with exportable reports.

#4

Astrotheme

vertical specialist

Astrotheme provides birth charts, celebrity chart databases, synastry tools, and astrology calculations.

8.4/10
Overall
Features8.4/10
Ease of Use8.3/10
Value8.5/10
Standout feature

Orb-focused aspect control tied to chart rendering keeps major aspect results consistent across chart types.

Astrotheme combines natal chart calculation with a page-driven workflow for aspects, houses, and transits in one chart view.

Pros
  • +Chart views keep natal, transit, and return outputs in a consistent layout.
  • +Orb settings make major aspect precision adjustable without manual calculations.
  • +PDF export produces usable chart reports with stable typography and glyphs.
  • +Relocation and synastry workflows are available without switching tools.
Cons
  • –Automation and API access are not a documented part of the experience.
  • –Some configuration choices require repeated selection across chart types.
  • –Export coverage prioritizes reports, not batch report generation.
  • –Advanced house system workflows feel less streamlined than basic use.
Use scenarios
  • Astrologers creating client reports

    Generate natal charts and printable aspect reports

    Consistent, export-ready chart documents

  • Practitioners analyzing transits

    Run transit charts with custom orbs

    More precise timing interpretations

Show 2 more scenarios
  • Moderators teaching astrology

    Compare house systems and return charts

    Clear lessons with standardized outputs

    A page-driven workflow supports multiple chart types while keeping glyph rendering consistent.

  • Consultants assessing relocation astrology

    Create relocation and synastry chart variants

    Side-by-side interpretive material

    Astrotheme supports relocation variants and synastry outputs in the same chart view workflow.

Best for: Fits when individual practitioners need repeatable ephemeris-driven charts and PDF reports without custom tooling.

#5

Astro-Charts

consumer web

Astro-Charts generates visual natal, transit, synastry, and composite astrology charts online.

8.3/10
Overall
Features8.3/10
Ease of Use8.3/10
Value8.3/10
Standout feature

Configurable aspect grid output combined with downloadable chart reports for client-ready handouts.

Astro-Charts uses a data-first workflow built around birth data entry and chart configuration so the same options can be reused across natal, transit, and synastry chart generation. The product exposes ephemeris-style calculations for planetary positions and includes chart rendering controls for aspects, orbs, and chart wheel output. Output is oriented toward downloadable chart reports with PDF export for offline review and client handouts.

Pros
  • +Repeatable natal and relationship chart settings for consistent outputs
  • +Chart wheel rendering supports clear glyph and house presentation
  • +Transit, progression, and relocation generation cover common client requests
  • +PDF export packages charts into portable reports
Cons
  • –Admin governance like RBAC and audit logs is limited
  • –Automation surfaces like API-first batch runs are not a core workflow
  • –Minor aspect customization can feel constrained for niche aspect grids
Use scenarios
  • Astrology practitioners

    Client natal charts with consistent settings

    Faster, consistent client handouts

  • Relationship readers

    Synastry and composite deliverables

    Clearer relationship analysis reports

Show 2 more scenarios
  • Forecasting analysts

    Transit and progression studies

    Repeatable forecasting reviews

    Transit and progression runs generate chart wheels and downloadable reports from defined configurations.

  • Relocation advisors

    Relocation charts for decision support

    Portable relocation guidance materials

    Relocation chart generation renders and exports charts from chosen calculation settings.

Best for: Fits when practitioners need consistent chart settings and PDF-ready reports for client delivery.

#6

AstrolDeluxe

vertical specialist

Professional astrology chart calculation software for Windows.

7.7/10
Overall
Features7.7/10
Ease of Use7.7/10
Value7.7/10
Standout feature

Downloadable chart reports with PDF export preserves chart visuals and aspect settings for client handoffs.

AstrolDeluxe handles end-to-end chart generation from birth data entry through ascendant calculation and midheaven calculation, then into glyph rendering for chart display. Aspect grid output supports major aspect styling and orb settings so the same rules can be reused across charts. Downloadable chart reports and PDF export support chart review, archiving, and client handoffs without third-party formatting.

Pros
  • +Consistent natal chart calculation from birth data entry through output
  • +Configurable aspect grid with major aspects and orb settings
  • +Chart wheel and glyph rendering support clear visual review
  • +Downloadable chart reports and PDF export for sharing and archiving
Cons
  • –Limited evidence of API surface for automated chart generation
  • –Automation is oriented around interactive runs instead of bulk pipelines
  • –Advanced workflow governance features are not apparent for multi-user use
Use scenarios
  • Astrology practitioners

    Generate client natal reports

    Faster client turnaround

  • Birth record analysts

    Compare angle-sensitive chart outputs

    More consistent comparisons

Show 2 more scenarios
  • Astrology students

    Practice orb and aspect configurations

    Clear rule-based practice

    Aspect grid and orb settings help validate how changes affect major aspect interpretation.

  • Private researchers

    Archive charts and notes

    Reliable long-term archiving

    Downloadable chart reports support storing the same chart visuals over time.

Best for: Fits when solo practitioners need repeatable natal chart reports with PDF export and consistent aspect rules.

#7

Sirius

vertical specialist

Comprehensive astrology software with extensive chart and report features.

7.6/10
Overall
Features7.6/10
Ease of Use7.6/10
Value7.6/10
Standout feature

Repeatable chart regeneration driven by structured birth data and shared configuration settings across chart types.

Sirius is built around a workflow where birth data entry drives natal outputs, then the same input context can be reused for additional chart views like transits. The ephemeris and aspect computations are controlled through exposed configuration points such as aspect grids and orb settings, so output differences are tied to settings rather than ad hoc manual edits. Chart wheels and report outputs are designed for consistent presentation, which helps when the same client or study needs multiple chart variants.

Pros
  • +Configurable aspect grid and orb settings keep outputs reproducible
  • +Chart wheel rendering supports consistent chart review and client presentation
  • +Multi-chart workflow reuses birth inputs across natal and transit views
  • +Downloadable chart report outputs fit ongoing record keeping
Cons
  • –Limited public API or automation hooks for batch chart generation
  • –Advanced setup choices can take time for consistent chart baselines
  • –Governance controls for teams are not clearly exposed for delegated work
  • –Export granularity may be shallow for highly customized report layouts
Use scenarios
  • Astrology practitioners

    Generate natal and transit charts repeatedly

    Faster repeat sessions

  • Astrology educators

    Assign transit charts with controlled orbs

    Comparable classroom outputs

Show 2 more scenarios
  • Study groups

    Recreate charts after setting tweaks

    Reduced manual rework

    Study groups can update configuration and regenerate views to reflect revised interpretation parameters.

  • Digital archivists

    Maintain downloadable chart reports

    Cleaner long-term records

    Archivists can store downloadable chart report artifacts tied to consistent input data and settings.

Best for: Fits when small teams need consistent chart production and report exports without heavy automation.

#8

Lunarium

vertical specialist

Online lunar and astrological calendar with natal chart calculation.

7.1/10
Overall
Features7.1/10
Ease of Use7.0/10
Value7.2/10
Standout feature

Configurable chart generation that keeps orb and house or zodiac choices consistent across natal, transit, and progression runs.

Lunarium focuses on producing natal and chart reports with an ephemeris-driven calculation core and configurable chart outputs for astrology workflows. The app supports multiple zodiac and house system styles, then renders chart wheels and aspect grids with explicit orb settings.

Pros
  • +Ephemeris-based planetary positions with selectable zodiac and house systems
  • +Aspect grid rendering with explicit orb settings per analysis run
  • +Chart report generation that can be reused after changing core settings
  • +Transit and progression chart types available without switching tools
Cons
  • –Automation surface is limited compared with chart tools that expose an API
  • –Workflow depth for bulk birth data entry is less efficient than dedicated imports
  • –Some chart customization options require manual reconfiguration across runs
  • –Export formats focus on chart reports and PDF output rather than structured data
Use scenarios
  • Astrology practitioners

    Generate consistent natal reports for clients

    Faster report turnaround

  • Astrology students

    Compare house systems and chart styles

    More accurate chart comparisons

Show 2 more scenarios
  • Event-based astrology teams

    Batch transits and progressions outputs

    Uniform outputs across team

    Uses configured chart types and orb settings to produce repeatable transit and progression reports for groups.

  • Astrology report production staff

    Export aspect grids and chart wheels

    Lower manual formatting effort

    Packages birth data and calculation settings into exportable reports for consistent client delivery.

Best for: Fits when individual practitioners or small practices need repeatable astrology chart production without building integrations.

#9

Astromatrix

vertical specialist

Online astrology chart calculator with natal chart and transit interpretations.

6.8/10
Overall
Features6.8/10
Ease of Use6.8/10
Value6.8/10
Standout feature

Batch-style report generation that keeps chart settings consistent across natal, transit, and synastry outputs.

Astromatrix generates natal, transit, progression, and synastry chart outputs from structured birth and event inputs. It focuses on chart rendering and report generation, including downloadable chart reports and PDF export.

Pros
  • +Covers multiple chart types including transit, synastry, and solar returns
  • +Provides configurable aspect grid and orb settings for major aspects
  • +Supports downloadable chart reports with PDF export for sharing
  • +Handles relocation charts and composite charts within the same workflow
Cons
  • –Limited guidance on ephemeris selection and planetary position calculation options
  • –House system and zodiac changes require re-running chart generation
  • –Aspect coverage depth for minor aspects feels less adjustable than expected
  • –Chart wheel and glyph rendering output quality varies across export formats
Use scenarios
  • Astrology analysts and chart readers

    Generate synastry and aspect grids

    Faster relationship chart preparation

  • Practicing astrologers

    Produce solar return and progression reports

    Repeatable annual interpretation packs

Show 2 more scenarios
  • Birth data management teams

    Standardize event inputs across charts

    Reduced manual data handling

    It uses structured birth and event inputs to generate multiple chart types from consistent records.

  • Relocation-focused astrologers

    Create relocation and composite charts

    More actionable client forecasts

    It renders relocation chart outputs and composite charts to support location-based and relationship timing readings.

Best for: Fits when chart workflows require repeated PDFs and aspect-grid outputs across many chart types.

#10

Cafe Astrology

consumer web

Cafe Astrology offers free natal chart calculations, chart interpretations, and astrology reference material.

6.6/10
Overall
Features6.6/10
Ease of Use6.6/10
Value6.6/10
Standout feature

Chart-specific narrative sections are generated alongside chart wheel rendering for natal, transit, progressions, and synastry.

Cafe Astrology pairs chart calculation and chart-interpretation pages with heavy emphasis on birth data entry, planetary positions, and aspect grid readability. The site generates natal, transit, progression, synastry, solar return, and relocation-style outputs with consistent rendering of glyph-based charts and downloadable chart reports.

Pros
  • +Narrative interpretations are attached to computed chart outputs by chart type
  • +Aspect grid presentation stays readable across major and minor aspect selections
  • +Birth data entry flow supports repeatable chart regeneration for comparisons
  • +Sidereal and tropical options enable mixed-zodiac workflows without rewriting inputs
Cons
  • –No documented API surface limits automation and chart provisioning
  • –Swiss Ephemeris compatibility details are not exposed as an installable ephemeris engine choice
  • –Export formats focus on reports and PDFs instead of interoperable data exports
Use scenarios
  • Astrology students studying chart placements

    Generate natal and transit interpretations for practice

    Faster learning through structured readings

  • Professional astrologers preparing client sessions

    Produce synastry and progression outputs

    More complete session materials

Show 2 more scenarios
  • Events and coaching for life planning

    Run solar return and interpret key themes

    Clearer annual focus guidance

    Coaches generate annual return charts and use configurable orb settings to refine aspect emphasis.

  • Travel planners using relocation astrology

    Compare relocation-style chart outputs

    Actionable insights by location

    Travel-focused readers compute location-based charts and review interpretations beyond a static wheel.

Best for: Fits when interpreters need chart wheel and narrative reports for multiple chart types without building tooling.

Conclusion

After evaluating 10 astro chart software, Astro.com stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.

Our Top Pick
Astro.com

Use the comparison table and detailed reviews above to validate the fit against your own requirements before committing to a tool.

Frequently Asked Questions About Astro Chart Software

Which tools support batch or repeatable chart generation from structured inputs?
Astromatrix creates natal, transit, progression, and synastry outputs from structured birth and event inputs with batch-style report generation. Sirius and Astro-Charts also emphasize repeatable chart runs driven by structured birth data and consistent chart settings across chart types.
How does PDF export differ between AstrolDeluxe and Astro Gold for client handoffs?
AstrolDeluxe uses downloadable chart reports with PDF export workflows that preserve chart visuals and aspect settings for handoffs. Astro Gold focuses on desktop-first PDF export of chart reports with consistent glyph rendering and aspect-grid settings across natal and transit runs.
When do orb settings and aspect grids become a practical source of mismatch across tools?
Astro.com provides interactive chart setup with granular orb and aspect grid controls that change the generated report output. Astro-Seek and Astrotheme both let users configure aspect grid and orb settings, so inconsistent configuration between tools directly changes the major aspect results.
Which chart types are covered end to end by Cafe Astrology compared with Astro-Seek?
Cafe Astrology generates natal, transit, progressions, synastry, solar return, and relocation-style outputs with chart wheel rendering and narrative sections. Astro-Seek covers multiple derivative chart types like transit and synastry with downloadable chart reports, but it centers on interpretable visuals and exportable reports rather than narrative sections.
What breaks if a workflow requires API-driven automation rather than manual or browser rendering?
Astro.com is browser-first for repeatable chart output and exportable reports, which does not target API-driven orchestration. AstrolDeluxe and Astro Gold also prioritize repeatable chart generation and PDF export workflows, so automating provisioning, job scheduling, or data model mapping requires extra tooling outside the app.
How do house system and zodiac choices carry through to rendered outputs in Astro-Charts and Lunarium?
Astro-Charts supports selectable house systems and zodiac modes, then carries those choices into chart rendering for charts and exported reports. Lunarium keeps house or zodiac selections consistent across repeated runs so the same orb and chart configuration applies to natal, transit, and progression outputs.
Which tools are best suited for offline review workflows using downloadable chart reports?
Astro-Seek and Astrotheme both provide downloadable chart reports that preserve chart wheel context and aspect settings for offline use. Sirius and Cafe Astrology also generate report-style outputs that can be downloaded for review, but Sirius focuses more on repeatable regeneration from structured inputs.
How do retrograde notation and aspect fine-tuning surface in Astrotheme compared with Astro Gold?
Astrotheme includes ephemeris-based planetary positions with retrograde notation and orb-focused aspect control tied to chart rendering. Astro Gold emphasizes dependable ephemeris-based planetary positions and PDF deliverables, but it does not center retrograde notation and orb controls as the primary workflow surface.
Which option fits teams that need shared configuration for consistent outputs without enterprise admin tooling?
Sirius is built around repeatable chart regeneration driven by structured birth data and shared configuration settings across chart types. Astromatrix can keep settings consistent across natal, transit, and synastry outputs via batch-style report generation, but it does not provide the kind of multi-tenant admin controls associated with enterprise automation platforms.

Tools reviewed

Primary sources checked during evaluation.

Referenced in the comparison table and product reviews above.

How to Choose the Right Astro Chart Software

Options differ most in how they handle chart accuracy and repeatable calculations. In practice, criteria like house system control and aspects logic determine whether two astro chart tools agree on the same results.

Calculation transparency for results

Why it matters

Calculation transparency for results matters because you need to see what the tool actually does when outputs don’t match another source. It also affects how confidently you can reuse results in your workflow.

How to check

Generate a chart, then look for a panel or export that shows the core calculation settings used for that output. Compare the same birth details across two screenshots or exports from the demo and confirm the setting names are understandable.

House system control

Why it matters

House system control matters because house cusps change where life themes land, and that shifts your interpretations. If the tool limits choices or hides its defaults, agreement with others becomes harder.

How to check

In the demo, switch between at least two house systems and watch which fields or highlights change. Ask what the tool uses by default, and verify you can save that preference for later charts.

Zodiac reference and toggles

Why it matters

Zodiac reference and toggles matter because the same date can produce different placements depending on the reference used. Without clear toggles, you can’t reproduce results across sessions.

How to check

Find the setting area for zodiac reference and turn the options on and off, then re-run the chart. Confirm the interface records which setting was active in the output you can revisit.

Aspects logic and thresholds

Why it matters

Aspects logic and thresholds matter because aspect strength and count can swing your reading. A tool that only shows one canned approach makes it difficult to align with your method.

How to check

Locate the aspects settings and adjust one threshold (for example, a tolerance/allowance) and re-render. Pick a sample chart and verify the aspect list and visual links update consistently.

Chart export and report workflows

Why it matters

Chart export and report workflows matter because you often need to share results or bring them into a repeatable personal pipeline. If exports omit key settings, future you won’t know what produced the output.

How to check

Export a chart and check whether the export includes calculation-relevant settings, not just images. Try re-importing or comparing two exports made with different settings to see whether differences are preserved.

API and automation for chart generation

Why it matters

API and automation for chart generation matters if you want repeatable generation across many charts or integrate into a writing workflow. Clear automation reduces manual errors when you regenerate charts over time.

How to check

Ask for an API reference or automation guide in the demo and request a sample request/response. If no API exists, check whether there’s a batch workflow that uses saved preferences and produces consistent outputs.

Red flags

  • You can’t see which calculation settings were used for a result
  • Changing house or zodiac options doesn’t clearly update placements or highlights
  • Aspect counts stay identical after you change thresholds in settings

Fit by situation

  • If you compare readings across multiple tools, prioritize Calculation transparency for results.
  • If your method depends on cusps shifting, prioritize House system control.
  • If you generate charts repeatedly for writing, prioritize API and automation for chart generation.
Commissioned Research

Funding and competing interests

This study was co-funded by several of the vendors assessed in it. No single vendor funded it. Funders could propose the market studied.

They had no role in selecting vendors, setting or weighting criteria, analysing data or drawing conclusions, and they received the same factual-accuracy check as every other vendor assessed.

Market definition, inclusion rules and criteria weights were fixed by an editor before research began and did not change afterwards. Editorial process →

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