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Top 10 Best Sales Letter Software of 2026

Discover the top 10 sales letter software to create high-converting copies. Find tools to boost conversions effortlessly – start optimizing your outreach today.

Min-ji Park

Min-ji Park

Feb 11, 2026

10 tools comparedExpert reviewed
Independent evaluation · Unbiased commentary · Updated regularly
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High-converting sales letters are foundational to modern marketing success, bridging the gap between audience engagement and revenue growth. With options ranging from AI writing powerhouses to all-in-one funnel builders, choosing the right tool can streamline creation and boost results, making our curated list essential for marketers seeking impactful solutions.

Quick Overview

  1. 1#1: Jasper - AI writing assistant that generates persuasive sales letters, marketing copy, and landing page content optimized for conversions.
  2. 2#2: Copy.ai - Generates high-converting sales copy, emails, and ad scripts using customizable AI templates for sales letters.
  3. 3#3: Anyword - Predictive AI platform that creates and scores sales copy for maximum performance based on audience data.
  4. 4#4: Writesonic - AI tool specialized in crafting long-form sales letters, hooks, and bullet points with built-in templates.
  5. 5#5: ClosersCopy - AI-powered copywriter trained on proven sales letters to produce high-close-rate copy frameworks.
  6. 6#6: ClickFunnels - All-in-one funnel builder with pre-built sales letter templates and pages for rapid deployment.
  7. 7#7: Unbounce - Landing page builder with AI copy suggestions and optimization for creating effective sales letters.
  8. 8#8: Leadpages - Drag-and-drop platform for building conversion-focused sales pages and letters with A/B testing.
  9. 9#9: Hypotenuse AI - AI copy generator that produces sales descriptions, letters, and marketing content at scale.
  10. 10#10: Rytr - Affordable AI writing tool with templates for sales copy, letters, and persuasive content.

We ranked tools by evaluating conversion-focused features, template quality, user-friendliness, and overall value, ensuring the list balances innovation, practicality, and performance for diverse marketing needs.

Comparison Table

Choosing the right sales letter software can elevate marketing impact, and this comparison table simplifies decision-making by detailing key features of top tools like Jasper, Copy.ai, Anyword, Writesonic, ClosersCopy, and more.

1Jasper logo9.4/10

AI writing assistant that generates persuasive sales letters, marketing copy, and landing page content optimized for conversions.

Features
9.6/10
Ease
9.2/10
Value
8.8/10
2Copy.ai logo8.8/10

Generates high-converting sales copy, emails, and ad scripts using customizable AI templates for sales letters.

Features
9.1/10
Ease
9.3/10
Value
8.4/10
3Anyword logo8.7/10

Predictive AI platform that creates and scores sales copy for maximum performance based on audience data.

Features
9.2/10
Ease
8.5/10
Value
8.0/10
4Writesonic logo8.4/10

AI tool specialized in crafting long-form sales letters, hooks, and bullet points with built-in templates.

Features
8.7/10
Ease
9.2/10
Value
7.8/10

AI-powered copywriter trained on proven sales letters to produce high-close-rate copy frameworks.

Features
8.7/10
Ease
9.1/10
Value
7.8/10

All-in-one funnel builder with pre-built sales letter templates and pages for rapid deployment.

Features
9.1/10
Ease
7.4/10
Value
6.9/10
7Unbounce logo8.4/10

Landing page builder with AI copy suggestions and optimization for creating effective sales letters.

Features
9.0/10
Ease
8.2/10
Value
7.6/10
8Leadpages logo8.3/10

Drag-and-drop platform for building conversion-focused sales pages and letters with A/B testing.

Features
8.2/10
Ease
9.3/10
Value
7.9/10

AI copy generator that produces sales descriptions, letters, and marketing content at scale.

Features
8.2/10
Ease
8.5/10
Value
7.4/10
10Rytr logo7.6/10

Affordable AI writing tool with templates for sales copy, letters, and persuasive content.

Features
7.2/10
Ease
9.2/10
Value
8.5/10
1
Jasper logo

Jasper

general_ai

AI writing assistant that generates persuasive sales letters, marketing copy, and landing page content optimized for conversions.

Overall Rating9.4/10
Features
9.6/10
Ease of Use
9.2/10
Value
8.8/10
Standout Feature

AI templates powered by copywriting formulas (AIDA, PAS) that generate full sales pages from a single prompt

Jasper.ai is an AI-powered writing platform designed to generate high-converting sales letters, landing pages, and marketing copy using advanced language models. It offers specialized templates based on proven copywriting frameworks like AIDA and PAS, allowing users to input product details and audience info for tailored persuasive content. Ideal for scaling copy production, it supports everything from email sequences to full sales funnels with consistent brand voice.

Pros

  • Lightning-fast generation of complete sales letters with customizable templates
  • Brand Voice feature ensures consistent tone across all copy
  • Integrations with tools like Google Docs and Zapier streamline workflows

Cons

  • Output can sometimes require editing for nuance and originality
  • Higher-tier plans needed for advanced features and team collaboration
  • Subscription model may feel pricey for low-volume users

Best For

Marketing teams and solopreneurs needing to rapidly produce persuasive sales copy at scale.

Pricing

Creator plan at $39/user/month (billed annually), Pro at $59/user/month, Business custom pricing; 7-day free trial available.

Visit Jasperjasper.ai
2
Copy.ai logo

Copy.ai

general_ai

Generates high-converting sales copy, emails, and ad scripts using customizable AI templates for sales letters.

Overall Rating8.8/10
Features
9.1/10
Ease of Use
9.3/10
Value
8.4/10
Standout Feature

Step-by-step AI workflows that build complete, structured sales letters from headlines to calls-to-action

Copy.ai is an AI-powered copywriting platform that specializes in generating persuasive marketing content, including sales letters, landing pages, emails, and ads. Users input key details like product features, target audience, and tone, and the tool produces customizable drafts using advanced language models trained on high-converting copy. It streamlines the sales letter creation process with dedicated workflows, tone adjustments, and remix options for iterative refinement.

Pros

  • Vast library of sales-focused templates and workflows for quick letter generation
  • Intuitive chat-like interface with real-time editing and tone customization
  • Brand voice training for consistent, personalized sales copy

Cons

  • Generated copy can sometimes feel generic and require significant editing
  • Unlimited access requires Pro plan; free tier is limited to 2,000 words/month
  • Long-form sales letters may include factual inaccuracies without close oversight

Best For

Marketers and solopreneurs seeking fast, scalable sales letter drafts to accelerate campaigns.

Pricing

Free plan (2,000 words/month); Pro $49/month (unlimited words, priority support); Enterprise custom.

3
Anyword logo

Anyword

specialized

Predictive AI platform that creates and scores sales copy for maximum performance based on audience data.

Overall Rating8.7/10
Features
9.2/10
Ease of Use
8.5/10
Value
8.0/10
Standout Feature

Predictive Performance Score that rates copy's conversion likelihood for specific audiences

Anyword is an AI-driven copywriting platform specializing in generating persuasive marketing content like sales letters, emails, and ads. It leverages predictive performance scoring to evaluate and optimize copy for conversion potential based on audience demographics, brand voice, and historical data. Ideal for marketers seeking data-backed sales copy without starting from scratch, it offers templates, workflows, and A/B testing integration.

Pros

  • Predictive Performance Score provides data-driven insights on copy effectiveness
  • Extensive templates and customization for brand-aligned sales letters
  • Seamless integration with marketing tools like Google Ads and HubSpot

Cons

  • Higher pricing tiers required for advanced analytics and unlimited usage
  • AI-generated copy can sometimes feel formulaic without heavy editing
  • Limited design capabilities, focusing solely on text generation

Best For

Marketing teams and copywriters who need AI-optimized, high-converting sales letters with performance predictions.

Pricing

Starts at $49/month (Starter plan) with Data-Driven at $99/month and custom Enterprise options; annual discounts available.

Visit Anywordanyword.com
4
Writesonic logo

Writesonic

general_ai

AI tool specialized in crafting long-form sales letters, hooks, and bullet points with built-in templates.

Overall Rating8.4/10
Features
8.7/10
Ease of Use
9.2/10
Value
7.8/10
Standout Feature

Framework-specific sales copy generator using AIDA, PAS, and BAB for optimized conversions

Writesonic is an AI-powered writing platform specializing in generating persuasive sales letters, landing pages, and marketing copy using advanced language models. It provides customizable templates based on proven frameworks like AIDA and PAS, allowing users to create high-converting content from simple prompts. Ideal for marketers seeking quick, professional-grade sales copy without starting from scratch.

Pros

  • Diverse sales copy templates with AIDA/PAS frameworks
  • Fast generation of polished, persuasive content
  • Intuitive interface with prompt enhancers

Cons

  • Outputs often require editing for uniqueness
  • Free plan has severe word limits
  • Higher tiers needed for heavy usage

Best For

Marketers and solopreneurs needing rapid drafts of sales letters and copy without copywriting expertise.

Pricing

Free tier available; Pro plan at $16/mo (annual), Unlimited at $30/mo; enterprise custom.

Visit Writesonicwritesonic.com
5
ClosersCopy logo

ClosersCopy

specialized

AI-powered copywriter trained on proven sales letters to produce high-close-rate copy frameworks.

Overall Rating8.3/10
Features
8.7/10
Ease of Use
9.1/10
Value
7.8/10
Standout Feature

Framework-specific AI generators like the VSL and long-form sales page builders that structure copy using battle-tested formulas.

ClosersCopy is an AI-powered copywriting tool designed specifically for generating high-converting sales letters, video sales letters (VSLs), emails, and ads using proven frameworks like AIDA, PAS, and BAB. It streamlines the copywriting process by providing customizable templates and prompt-based generation, allowing users to input product details and receive polished drafts quickly. Targeted at marketers and solopreneurs, it aims to replicate expert-level copy without the high costs of hiring freelancers.

Pros

  • Extensive library of sales-focused templates and frameworks
  • Fast AI generation with tone and style customization
  • Intuitive interface ideal for non-experts

Cons

  • AI outputs often require manual editing for nuance
  • Subscription-only pricing with no lifetime option
  • Word limits on lower tiers can restrict heavy users

Best For

Solopreneurs and small marketing teams needing quick, framework-driven sales letters without deep copywriting skills.

Pricing

Starter at $49/month (100k words), Pro at $79/month (unlimited words), with annual discounts available.

Visit ClosersCopycloserscopy.com
6
ClickFunnels logo

ClickFunnels

enterprise

All-in-one funnel builder with pre-built sales letter templates and pages for rapid deployment.

Overall Rating8.2/10
Features
9.1/10
Ease of Use
7.4/10
Value
6.9/10
Standout Feature

One-click upsell funnels that dynamically follow sales letters to boost average order value

ClickFunnels is a comprehensive sales funnel platform designed for creating high-converting sales letters, landing pages, opt-in pages, and full marketing funnels without needing coding skills. It features drag-and-drop editors, pre-built templates proven for sales optimization, A/B testing, and automated upsell sequences. Primarily targeted at online marketers, it streamlines the entire customer journey from awareness to purchase.

Pros

  • Vast library of conversion-optimized sales letter templates
  • Built-in A/B testing and analytics for funnel optimization
  • Seamless upsell, downsell, and order form integrations

Cons

  • High monthly pricing with limited features on base plan
  • Steep learning curve for beginners despite drag-and-drop interface
  • Page load speeds can be slow on complex funnels

Best For

Digital marketers and e-commerce entrepreneurs building complete sales funnels with long-form sales letters.

Pricing

Starter plan at $97/month (3 funnels, 10k visitors); Platinum at $297/month (unlimited); annual billing offers 2 months free.

Visit ClickFunnelsclickfunnels.com
7
Unbounce logo

Unbounce

creative_suite

Landing page builder with AI copy suggestions and optimization for creating effective sales letters.

Overall Rating8.4/10
Features
9.0/10
Ease of Use
8.2/10
Value
7.6/10
Standout Feature

Smart Traffic AI automatically personalizes landing pages and copy based on visitor source for higher conversions

Unbounce is a powerful landing page builder designed for creating high-converting pages, popups, and sticky bars optimized for sales and marketing campaigns. It excels in A/B testing, dynamic personalization, and AI-assisted copywriting, making it suitable for crafting persuasive sales letters and funnels. Users can build professional, mobile-responsive pages without coding, with seamless integrations to CRM and email tools.

Pros

  • Robust A/B and multivariate testing for optimizing sales copy
  • AI Smart Copy generates high-converting sales letter content quickly
  • Extensive template library tailored for sales funnels and landing pages

Cons

  • Pricing is premium and scales quickly with traffic/usage
  • Advanced features have a learning curve for non-designers
  • Less specialized for ultra-long-form sales letters compared to dedicated copy tools

Best For

Marketers and agencies building and testing conversion-focused sales landing pages at scale.

Pricing

Starts at $99/month (Build plan, annual billing) up to $249+/month (Scale), with a 14-day free trial; Enterprise custom.

Visit Unbounceunbounce.com
8
Leadpages logo

Leadpages

creative_suite

Drag-and-drop platform for building conversion-focused sales pages and letters with A/B testing.

Overall Rating8.3/10
Features
8.2/10
Ease of Use
9.3/10
Value
7.9/10
Standout Feature

Conversion-optimized templates tested to deliver up to 5x higher conversion rates for sales pages

Leadpages is a drag-and-drop landing page builder designed for creating high-converting sales pages, opt-in forms, and checkout pages to drive leads and sales. It offers hundreds of professionally designed templates optimized for conversions, A/B testing, and seamless integrations with email marketing tools and payment processors. Ideal for marketers focusing on sales letters, it emphasizes speed and conversion rates without requiring coding skills.

Pros

  • Intuitive drag-and-drop editor for quick sales page creation
  • Extensive library of conversion-optimized templates
  • Built-in A/B testing and analytics for optimizing sales letters

Cons

  • Limited advanced customization for complex long-form sales letters
  • Higher-tier plans required for full features like checkout pages
  • Integrations needed for comprehensive sales funnels

Best For

Solo entrepreneurs and small marketing teams seeking fast, high-converting sales landing pages without technical expertise.

Pricing

Starts at $37/mo (Lite, billed annually), Standard $59/mo, Pro $99/mo; monthly billing higher.

Visit Leadpagesleadpages.com
9
Hypotenuse AI logo

Hypotenuse AI

general_ai

AI copy generator that produces sales descriptions, letters, and marketing content at scale.

Overall Rating7.9/10
Features
8.2/10
Ease of Use
8.5/10
Value
7.4/10
Standout Feature

Brand voice training that adapts AI output to mimic your unique sales tone across letters and copy.

Hypotenuse AI is an AI-driven content generation platform specializing in marketing copy, including sales letters, product descriptions, ads, and blog posts. It leverages advanced language models to produce persuasive, brand-aligned content quickly from simple prompts or templates. While versatile for e-commerce and marketing teams, it excels in scaling short-to-medium form sales copy but may require edits for highly nuanced long-form letters.

Pros

  • Rapid generation of persuasive sales copy and templates
  • Customizable brand voice for consistent output
  • Integrations with e-commerce platforms like Shopify

Cons

  • Outputs often need human editing for optimal persuasion
  • Credit-based limits can restrict heavy sales letter production
  • Less specialized for complex sales funnels than dedicated copy tools

Best For

E-commerce marketers and small businesses needing quick, scalable sales letters and product copy.

Pricing

Free trial available; plans start at $29/mo (Creator, 1,000 credits) up to $119/mo (Pro, unlimited words).

Visit Hypotenuse AIhypotenuse.ai
10
Rytr logo

Rytr

general_ai

Affordable AI writing tool with templates for sales copy, letters, and persuasive content.

Overall Rating7.6/10
Features
7.2/10
Ease of Use
9.2/10
Value
8.5/10
Standout Feature

Pre-built use case library with sales letter templates that streamline generation from simple inputs

Rytr is an AI-powered writing assistant that specializes in generating persuasive sales letters, emails, ad copy, and marketing content using pre-built templates and prompts. Users select a use case like 'Sales Email' or 'Product Launch Copy,' input key details, and receive editable drafts in seconds. It supports multiple tones and languages, making it accessible for quick copywriting needs, though outputs often require human refinement for optimal persuasion.

Pros

  • Extremely user-friendly interface with one-click generation
  • Affordable plans with generous character limits
  • Dozens of sales-specific templates and tone options

Cons

  • Outputs can feel generic and require significant editing for high-conversion sales copy
  • Limited advanced customization for long-form letters compared to specialized tools
  • No built-in A/B testing or analytics integration

Best For

Small business owners and solopreneurs needing fast, budget-friendly sales copy drafts without deep copywriting expertise.

Pricing

Free plan (10k chars/mo); Saver $9/mo (100k chars); Unlimited $29/mo (unlimited generations).

Visit Rytrrytr.me

Conclusion

When it comes to sales letter software, the top choices excel in different ways, with Jasper leading as the standout, its AI writing assistant crafting persuasive, conversion-optimized copy that drives results. Copy.ai and Anyword follow closely, offering customizable templates and predictive AI respectively, making them strong alternatives for versatile and audience-focused needs. Together, these tools prove transformative in creating high-impact sales communication.

Jasper logo
Our Top Pick
Jasper

Don’t miss out on boosting your sales—start with Jasper today to experience AI-powered copywriting that wins audiences, or explore Copy.ai or Anyword if you seek templates or data-driven strategies, ensuring your next sales letter connects and converts.