
GITNUXSOFTWARE ADVICE
Wellness FitnessTop 10 Best Bike Fit Software of 2026
Top 10 bike fit software ranked by comfort and performance. Comparison of Retül Fit Systems, TechnoGym Kinetix, Myontec Fit, plus more for clinics.
How we ranked these tools
Core product claims cross-referenced against official documentation, changelogs, and independent technical reviews.
Analyzed video reviews and hundreds of written evaluations to capture real-world user experiences with each tool.
AI persona simulations modeled how different user types would experience each tool across common use cases and workflows.
Final rankings reviewed and approved by our editorial team with authority to override AI-generated scores based on domain expertise.
Score: Features 40% · Ease 30% · Value 30%
Gitnux may earn a commission through links on this page — this does not influence rankings. Editorial policy
Dartfish is the best choice when you need a standardized, repeatable video-based workflow for consistent bike-position fit reviews and easy report exports, and Kinovea is the stronger budget entry if a small team wants repeatable 2D measurements with overlay evidence.
Editor’s top 3 picks
Three quick recommendations before you dive into the full comparison below — each one leads on a different dimension.
Dartfish
Fit session annotation with timestamped tagging and measurement overlays that carry into exportable before-and-after reports.
Built for fits when fitting rooms need standardized video workflow, overlays, and report exports for repeatable fit reviews..
Kinovea
Editor pickPosition overlay comparisons created from the same calibrated video workflow for consistent before-and-after documentation.
Built for fits when a small fitting team needs repeatable 2D video measurements and overlay evidence without specialized capture hardware..
BikeFit
Editor pickSide-by-side fit-session comparison driven by exported fit coordinates and report-ready summaries.
Built for fits when fit studios standardize session reporting and need exportable fit coordinates for records..
Related reading
Comparison Table
Dartfish
enterpriseVideo analysis platform for sports biomechanics including cycling position evaluation.
Fit session annotation with timestamped tagging and measurement overlays that carry into exportable before-and-after reports.
Dartfish is built around frame-accurate video analysis with timestamped tagging and measurement overlays, which matches common bike-fitting review sessions. The workflow supports camera calibration so overlays and comparisons stay anchored to the filmed space. A typical pattern is to run static bike fit checks and then document changes as a new session that can be reviewed side-by-side in the same player.
A key tradeoff is that it does not replace a dedicated measurement pipeline for full marker-based or depth-based motion capture. It fits best when teams need consistent video evidence and structured review notes more than sensor-grade joint-angle telemetry across every session.
- +Frame-accurate tagging links fit changes to exact moments in video review
- +Camera calibration improves measurement overlay consistency across repeated sessions
- +Report exports support repeatable before-and-after fit-session documentation
- +Annotations make session history usable for coaching and internal quality checks
- –Video analysis depth can fall short versus dedicated 3D motion capture rigs
- –Markerless precision depends on footage quality and camera geometry discipline
- –Deep integration into custom bike-fit data systems requires more technical work
- –Automation for large-scale fit queues is lighter than workflow-first fitting platforms
Independent bike fitters
Document saddle and cleat adjustments
Clear client-ready before-and-after proof
Physiotherapy clinics
Track return-to-bike form review
Faster, consistent follow-up explanations
Show 2 more scenarios
Bike fit teams
Standardize internal coaching feedback
More consistent review decisions
Maintain session histories with repeatable overlays so multiple reviewers evaluate the same moments.
Coaching staff
Review pedal stroke mechanics
Actionable technique feedback
Tag technique events frame-by-frame and attach measurement overlays to a coaching report.
Best for: Fits when fitting rooms need standardized video workflow, overlays, and report exports for repeatable fit reviews.
More related reading
Kinovea
vertical specialistOpen-source 2D motion analysis software used for bike fitting and general sports biomechanics.
Position overlay comparisons created from the same calibrated video workflow for consistent before-and-after documentation.
Kinovea’s core workflow is based on importing motion video, calibrating the camera, then measuring with point tracking and measurement primitives like angles and distances. Coaches can create visual overlays to compare multiple passes, which helps document changes to rider position during a static bike fit session. The software also supports time-synced review, which is useful for pedal stroke sequencing and isolating moments like peak extension or high cadence steadiness.
A key tradeoff is that Kinovea relies on 2D video measurements and manual placement of reference points, which can be slower than fully automated motion capture for large rider volumes. It fits best when a single fitter or small team wants consistent measurement methodology using the studio’s existing camera setup.
- +2D calibrated measurements from tracked points in the same workflow
- +Frame-by-frame review with visual overlays for before-and-after comparison
- +Time-synced analysis helps isolate repeatable pedal stroke moments
- +Exports analysis outputs for adding evidence to session notes
- –Manual point placement slows high-throughput sessions
- –2D-only measurements limit accuracy for out-of-plane body movement
- –Automation depth is limited compared with fit systems that guide capture
- –Video quality and calibration discipline drive measurement consistency
Independent bike fitters
Document static position changes on camera
Clear evidence for session reports
Cycling coaches
Review cadence and pedal stroke timing
Targeted coaching corrections
Show 1 more scenario
Bike studios
Standardize camera calibration across clients
More comparable fit-session data
Repeatable calibration steps help keep measurement methodology consistent across multiple sessions.
Best for: Fits when a small fitting team needs repeatable 2D video measurements and overlay evidence without specialized capture hardware.
BikeFit
vertical specialistMotion-capture bike fitting application running on iPad with WiFi-connected measurement tools.
Side-by-side fit-session comparison driven by exported fit coordinates and report-ready summaries.
BikeFit supports the typical bike fitting workflow from session capture to report generation, with structured outputs for fit-session documentation. Riders can be reviewed using position overlays and fit coordinates, which helps quantify changes between initial setup and adjustments. The report output is built for client communication, with PDF fit-session report generation and data export for internal recordkeeping.
A tradeoff appears in how much standardization depends on fitters following the same capture and naming conventions across sessions. BikeFit fits best when a studio needs consistent fit-session reporting across staff and wants to export structured results for ongoing documentation.
- +Fit-session report output includes client-ready summaries and repeatable session documentation
- +Before and after comparison makes adjustment impact easier to communicate
- +Fit coordinates export supports downstream recordkeeping and external documentation workflows
- +Position overlay review helps standardize rider setup notes across staff
- –Requires strict session capture discipline to keep comparisons consistent
- –Advanced automation is limited compared with highly instrumented lab-style toolchains
- –Integration depth depends on what external systems the studio already uses
- –Video analysis depth is less granular than specialized motion-capture-first offerings
Bike fit studio managers
Standardize fit reporting across staff
Consistent client reports
Bike fit consultants
Track adjustment changes over time
Clear adjustment decisions
Show 2 more scenarios
Sports medicine and rehab teams
Document setup outcomes for follow-ups
Traceable follow-up planning
Export fit coordinates to maintain a structured history tied to each reassessment.
Performance cycling operations
Maintain rider fit baselines
Stable long-term baselines
Keep rider fit coordinates and session notes aligned across multiple appointments.
Best for: Fits when fit studios standardize session reporting and need exportable fit coordinates for records.
More related reading
Retül
enterpriseMotion-capture software supports dynamic bike fitting, equipment analysis, and fit documentation.
Fit-session report generation is anchored to Retül fit coordinates and comparison views, not a standalone analysis output.
Retül fit systems are built around measured rider positioning and a standardized fit-session workflow. The software supports marker-based and video-centric capture pipelines, then translates findings into fit coordinates for repeatable static bike fit and before-and-after comparisons.
Retül’s reporting focus centers on fit-session documentation with exports that support coach and clinician handoffs. Tight integration between capture, fit assessment, and session reporting is the main differentiator versus tools that treat capture as a separate process.
- +Session reporting tied to fit coordinates for consistent documentation
- +Repeatable before-and-after comparisons driven by captured positioning data
- +Fit workflow stays connected across capture, assessment, and exports
- +Support for multiple capture modes from measured setup through review
- –Workflow can be rigid when capture hardware and staff processes differ
- –Fit export formats can require manual post-processing for custom templates
- –Automation depth depends on the capture-to-report pipeline configuration
- –Integration needs more IT effort than spreadsheet-first fit tools
Best for: Fits when studios need consistent fit-session documentation and reliable repeat comparisons across multiple riders.
Velogic Studio
vertical specialistBike fitting software supports fit measurements, rider assessment, and professional reporting.
Session templating that standardizes capture steps and report generation per fit workflow across a studio.
Velogic Studio manages bike fit sessions by turning fitting inputs into session outputs that fitters can review and reuse. The workflow emphasizes configurable session steps and consistent fit-session reporting across multiple riders.
It supports exporting fit data for downstream documentation and comparison after position changes. Velogic Studio is positioned for studios that need repeatable processes rather than ad hoc analysis per session.
- +Configurable session flow keeps fit-session reporting consistent across riders
- +Export-ready fit outputs reduce rework when documenting before-and-after changes
- +Studio workflow supports repeat sessions with standardized capture and review steps
- +Practical reporting structure helps fitters communicate results to clients
- –Automation depth is limited for labs that expect complex multi-camera analysis controls
- –External integration options can be thin for custom tools beyond export workflows
- –Fine-grained admin governance like RBAC and audit logs is not clearly positioned
- –Setup overhead grows when studios need tailored templates for every fitting profile
Best for: Fits when bike fit studios need repeatable session workflows and consistent fit reports without building custom tooling.
Bike Fast Fit Elite
SMBMobile bike fitting software uses video and measurement workflows for rider position analysis.
Fit-session reporting that converts entered measurements into structured fit outputs for repeatable client follow-ups.
Bike Fast Fit Elite targets bike fit studios that need repeatable workflows across many clients and sessions. It focuses on fit-session planning and reporting with structured measurements, then produces fit outputs clinicians can reuse for follow-ups.
Compared with more motion-capture-centric products, it emphasizes practical fit coordinates and documentation rather than camera-led analysis. The distinct value comes from turning fit notes into consistent reports that support before-and-after communication in a studio environment.
- +Structured fit-session inputs make repeatability practical across multiple technicians
- +Studio-friendly reporting turns measurements into shareable client documentation
- +Workflow supports consistent capture of fit coordinates for later comparisons
- +Clear documentation outputs reduce time spent recreating fit summaries
- –Less suited for camera-based motion capture pipelines than capture-first tools
- –Advanced automation depends on disciplined standardization of measurement entry
- –Customization depth for data export formats can be limiting in specialized workflows
- –Integration options for external lab equipment and analytics appear limited
Best for: Fits when fitting staff need consistent fit-session documentation and reusable coordinates without motion-capture hardware.
More related reading
MyVeloFit
vertical specialistAI-assisted video analysis provides cycling position assessments and fit recommendations.
Session-level before-and-after comparison ties rider measurements to generated reports for repeat visits.
MyVeloFit focuses on managing bike-fit sessions with structured measurement capture and report generation that tracks fit coordinates session to session. It supports a workflow built around common fitting checkpoints like saddle height, saddle setback, and cleat alignment, with outputs designed for sharing with riders and fitting staff.
The system also emphasizes before-and-after comparison so small geometry changes remain traceable across repeated sessions. MyVeloFit’s differentiator versus file-based workflows is how it keeps fit inputs, photos, and generated reports tied to a single session record.
- +Session records keep fit inputs and reporting artifacts linked
- +Before-and-after comparison supports repeat visits without manual bookkeeping
- +Workflow covers key static fit checkpoints used in most fittings
- +Exportable fit-session reports reduce time spent formatting deliverables
- –Limited support for motion-capture workflows beyond standard static assessment
- –Deep automation and integrations require more manual coordination than tool-driven
- –Data export formats can be less flexible for custom analytics pipelines
- –Governance controls for multi-fitter teams feel lighter than enterprise tooling
Best for: Fits when independent fitters need structured static fit tracking and consistent rider reports.
Coach's Eye
SMBMobile video analysis app with slow-motion review tools applied to bike positioning.
Multi-layer video overlay and side-by-side frame comparison for fast technique verification during fit sessions.
Coach's Eye focuses on pedal-stroke and riding-video analysis rather than full end-to-end bike fit automation. The workflow centers on video capture, frame-by-frame comparison, and drawing overlays to measure changes across sessions.
It supports repeatable static bike fit checks through visual alignment aids and fit-session documentation using exported media. It is best treated as a motion and technique analysis layer that complements dedicated fit measurement tools.
- +Frame-by-frame video comparison for tracking technique changes across sessions
- +On-video drawing tools for quick visual alignment and annotation
- +Exports fit documentation as images or video clips for client handoff
- +Works well with existing camera setups used for side-on and front views
- –Limited support for joint-angle measurement or full calibration workflows
- –No built-in bicycle geometry database for automated fit coordinate generation
- –Session reporting stays visual, with limited structured fit data exports
- –Advanced analysis depends on manual annotation rather than automated measurement
Best for: Fits when fitting workflows need visual before-and-after evidence and repeatable video overlays without full 3D capture.
More related reading
Hudl Technique
SMBSlow-motion video analysis app for sports mechanics including cycling fit reviews.
Video review plus structured fit-session notes for consistent before-and-after documentation across riders.
Hudl Technique supports cycling fit-session capture and video analysis workflows built around athlete movement review. It centers on measurement-informed session notes and fit reports that teams can reuse across riders.
The core workflow ties together camera review, coached adjustments, and session documentation for before-and-after comparisons. Data export supports fit-session reporting for downstream use in bike fit and coaching processes.
- +Video-first workflow that speeds capture-to-review during fit sessions
- +Session documentation supports consistent fit-session notes across athletes
- +Exportable fit-session outputs help move results into other reports
- +Admin-level content control supports team-based coaching workflows
- –Limited depth for full dynamic and joint-angle measurement workflows
- –Bike-geometry and fit-coordinate automation are not as structured as fitting specialists
- –Workflow extensibility depends more on existing reporting than an open API
- –In-session calibration and camera-accuracy controls are less granular than specialist tools
Best for: Fits when teams need repeatable video review and fit-session reporting for many riders.
KineticLab
SMBAI-powered bike fitting tool with live video analysis, joint tracking, and custom annotations.
Session outputs are organized around fit coordinates that directly feed repeatable reporting for longitudinal rider tracking.
KineticLab is a bike fit software solution aimed at turning recorded fitting measurements into consistent fit-session reports and repeatable fit coordinates. The workflow centers on capturing ride-relevant posture data, mapping it to bicycle contact points, and generating documentation that supports before-and-after comparisons. It is positioned for teams that need standardized sessions across multiple fitters and want controlled data export for downstream report sharing.
- +Produces structured fit-session reports that reduce manual write-up time
- +Keeps fit coordinates usable across repeated sessions for the same rider
- +Exports fit data for downstream handling in common report formats
- +Workflow encourages consistent measurements across different fitters
- –Motion capture and analysis depth are limited versus more instrumented ecosystems
- –Dynamic fit output depends on how the session data is captured
- –Integration depth into third-party lab systems is narrower than top competitors
- –Report customization can feel constrained for niche documentation styles
Best for: Fits when fitting teams need standardized sessions and repeatable fit reports without deep capture hardware.
Conclusion
After evaluating 10 wellness fitness, Dartfish 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.
Use the comparison table and detailed reviews above to validate the fit against your own requirements before committing to a tool.
How to Choose the Right bike fit software
Bike fit software is used to standardize fit-session review, capture-to-report documentation, and before-and-after comparison using tools such as Dartfish, Kinovea, and Retül Fit Systems. The top picks in this guide focus on repeatable overlays, session reporting, and exportable fit artifacts that fitting rooms can reuse across multiple riders.
Dartfish is highlighted for timestamped fit-session annotation that carries into exportable before-and-after reports. Kinovea is highlighted for calibrated 2D position overlay comparisons from the same video workflow. Retül Fit Systems is highlighted for fit-session report generation anchored to fit coordinates and comparison views rather than standalone analysis output.
Bike fit software for standardized fit-session capture, video analysis, and report-ready before-and-after outputs
Bike fit software structures a bike fitting workflow so capture artifacts become report outputs, including fit-session notes and comparison views that show adjustment impact between sessions. Many tools also support coordinate-based documentation so the same fit points can be reused for repeat visits.
Dartfish supports frame-accurate tagging that links moments in video review to fit changes, and those overlays carry into before-and-after reports for consistent documentation. Kinovea focuses on calibrated 2D workflows where users place tracked points and generate position overlays for repeatable evidence without specialized capture hardware.
Repeatable capture-to-report workflow controls
Bike fit software needs to turn fit-session footage or measurements into report-ready before-and-after outputs without breaking repeatability between riders and technicians. The highest value features link session evidence to the same fit coordinates or overlays used in client-facing summaries.
Dartfish, Kinovea, and Retül Fit Systems emphasize repeatable overlays and comparison views tied to documented session artifacts. Other tools such as Velogic Studio and BikeFit focus on templating and structured fit reports that standardize session flow even when capture depth varies.
Timestamped fit-session annotation that carries into before-and-after reports
Dartfish enables frame-accurate tagging that links fit changes to exact moments in video review, then exports before-and-after report artifacts. This keeps adjustment impact reviewable later without relying on memory.
Calibrated 2D position overlays from a consistent video workflow
Kinovea supports calibrated 2D measurements and position overlays created from the same tracked video workflow. This creates repeatable before-and-after documentation without dedicated motion capture hardware.
Fit-session report generation anchored to exported fit coordinates
Retül Fit Systems anchors session reporting to Retül fit coordinates and comparison views rather than standalone analysis output. BikeFit also delivers side-by-side fit-session comparison driven by exported fit coordinates and report-ready summaries.
Session templating and studio workflow standardization
Velogic Studio provides configurable session templating that standardizes capture steps and fit-report generation across a studio workflow. Bike Fast Fit Elite and KineticLab similarly convert structured inputs into repeatable fit-session outputs.
Fit-session documentation that supports longitudinal follow-ups
MyVeloFit ties rider measurements to generated reports through session-level before-and-after comparison for repeat visits. KineticLab keeps fit coordinates usable across repeated sessions for the same rider through structured fit-session reporting.
Choose by workflow shape, not capture depth alone
Bike fit software selection should start with the fitting workflow shape, then verify that session artifacts stay consistent across capture, comparison, and export. Tools that prioritize overlay review and report export work best when the fitting room standardizes how capture happens for every rider.
Some tools favor capture-first video review, others favor templated measurement entry, and others center reporting around exported fit coordinates. The decision steps below split these philosophies so the selected tool matches existing fit-session operations.
Map the capture evidence to the reports that staff must deliver
If fit-session documentation must reference exact video moments for later explanation, prioritize Dartfish because timestamped tagging links moments in video review to fit changes and carries into exportable before-and-after reports. If staff need repeatable position overlays from calibrated tracked video without specialized capture rigs, prioritize Kinovea because overlays come from the same calibrated workflow.
Select the comparison engine that matches the studio’s session consistency
If repeat comparisons depend on session reporting anchored to captured positioning data, prioritize Retül Fit Systems because reports are tied to fit coordinates for consistent documentation. If the studio wants side-by-side comparison driven by exported fit coordinates with report-ready summaries, prioritize BikeFit.
Decide whether templated session flow is the primary governance mechanism
If a studio needs consistent capture steps and report generation without building custom tooling, prioritize Velogic Studio because session templating standardizes fit workflow and keeps reporting consistent across riders. If fit teams want structured measurement entry that produces client follow-up documentation, prioritize Bike Fast Fit Elite because it converts entered measurements into structured fit outputs for repeatable client follow-ups.
Verify throughput constraints against manual workflow steps
If high-throughput sessions are the priority, validate that marker or point workflows do not slow staff because Kinovea requires manual point placement that can reduce throughput. If throughput depends on disciplined capture consistency, validate that the tool can handle capture differences since BikeFit and Retül Fit Systems require strict capture discipline for consistent comparisons.
Check whether the software fits dynamic versus static measurement needs
If the fit-session workflow expects deeper video analysis for dynamic outcomes, confirm that the selected tool’s analysis depth matches that expectation because Dartfish can fall short versus dedicated 3D motion capture rigs. If the workflow is primarily static assessment with structured inputs and session reports, prioritize tools like MyVeloFit because it supports static fit tracking with limited motion-capture workflow support beyond standard assessment.
Who benefits from each bike fit software workflow
Different bike fit software designs fit different studio operations, because capture evidence, comparison outputs, and reporting artifacts affect day-to-day staff work. The best match depends on whether the studio standardizes around video evidence, fit coordinate exports, or templated measurement workflows.
The segments below map common buying profiles to the specific tool strengths shown in the feature cards.
Bike fitting studios standardizing a video-first workflow
Dartfish supports frame-accurate tagging that links video review moments to fit changes and exports before-and-after reports. Kinovea provides calibrated 2D overlays from the same video workflow for repeatable documentation.
Studios that deliver client-ready fit-session reports anchored to fit coordinates
Retül Fit Systems ties reporting to fit coordinates and comparison views for consistent documentation across riders. BikeFit produces structured report-ready summaries and side-by-side comparisons driven by exported fit coordinates.
Independent fitters running repeat visits with structured session records
MyVeloFit keeps session records linked to reporting artifacts and supports before-and-after comparisons for repeat visits. KineticLab organizes session outputs around fit coordinates that feed repeatable longitudinal tracking.
Studios that need workflow governance through session templates
Velogic Studio standardizes session templating so capture steps and report generation stay consistent across riders. Bike Fast Fit Elite and KineticLab focus on turning structured inputs and fit coordinates into standardized fit-session outputs.
Teams prioritizing quick evidence overlays without full joint-angle or calibration depth
Coach's Eye supports multi-layer video overlays and side-by-side frame comparison with drawing tools for quick visual alignment and annotation. Hudl Technique pairs video review with structured fit-session notes for consistent documentation across athletes.
Common fit-software purchasing and rollout mistakes
Most rollout failures come from mismatched expectations between capture discipline and how reports claim repeatability. Another failure mode is choosing a tool for video evidence but underestimating the manual steps required to produce calibrated overlays.
Buying a tool that assumes highly consistent capture geometry, then running inconsistent camera setups
Dartfish overlay consistency depends on camera calibration discipline for repeated sessions, so the fitting room must standardize the capture setup. Kinovea’s calibrated 2D overlay repeatability also depends on using the same calibrated video workflow and consistent tracking inputs.
Underestimating how manual point placement slows high-throughput sessions
Kinovea requires manual point placement to produce tracked overlays, which can slow sessions when multiple riders must be processed quickly. Selecting a more templated or measurement-structured workflow can reduce this bottleneck.
Expecting automation and lab-style analysis depth from reporting-first tools
Retül Fit Systems and BikeFit anchor reports to fit coordinates and comparison views, so advanced automation is limited compared with highly instrumented lab-style toolchains. Dartfish also can fall short versus dedicated 3D motion capture rigs when deep dynamic analysis is the goal.
Assuming a static assessment workflow tool will cover dynamic and joint-angle measurement needs
MyVeloFit supports limited motion-capture workflows beyond standard static assessment, which can restrict dynamic fit evaluation. Coach's Eye and Hudl Technique also have limited depth for joint-angle measurement and full calibration workflows.
How We Selected and Ranked These Tools
We evaluated Dartfish, Kinovea, Retül Fit Systems, and the other tools in this list using feature depth and workflow repeatability for fit-session reporting and before-and-after comparison. We weighted features at 40% and used ease and value each at 30% to reflect how quickly staff can produce consistent session outputs. Dartfish set the ranking pace because its standout timestamped fit-session annotation links exact video moments to fit changes and carries into exportable before-and-after reports with camera calibration improving overlay consistency across repeated sessions.
Frequently Asked Questions About bike fit software
How do video-centric tools like Dartfish and Kinovea differ from fit-coordinate workflows like Bike Fast Fit Elite?
Which tools support repeatable before-and-after comparisons driven by exported fit coordinates?
How does camera calibration affect session repeatability in video analysis tools?
What tradeoff appears when using a coaching video layer like Coach's Eye instead of a full fit-session system like Retül?
How is data migration handled when moving from file-based notes to session-managed tools like Velogic Studio?
When a studio needs RBAC-style separation between fitters and admins, which tools are more likely to support it?
Where does extensibility matter for studios that want custom session steps or report structures?
How do session record models differ between MyVeloFit and tools that treat assets as standalone files?
What breaks if fit data export is inconsistent between sessions when tracking cleat alignment or saddle geometry?
How should a studio choose between a single-vendor fit reporting pipeline like Retül and a video-first annotation workflow like Dartfish?
Tools reviewed
Primary sources checked during evaluation.
Referenced in the comparison table and product reviews above.
Keep exploring
Comparing two specific tools?
Software Alternatives
See head-to-head software comparisons with feature breakdowns, pricing, and our recommendation for each use case.
Explore software alternatives→In this category
Wellness Fitness alternatives
See side-by-side comparisons of wellness fitness tools and pick the right one for your stack.
Compare wellness fitness tools→