AI-powered copy analyzer that diagnoses why your marketing
## What is Copyboost?
Copyboost is an AI-powered copy analysis tool that identifies exactly why your marketing text isn't converting, and gives you concrete fixes.
Unlike writing assistants that help you generate content from scratch, Copyboost focuses on **diagnosing and improving your existing copy**. Paste your landing page, email, or ad text, and get a detailed conversion analysis in seconds.
## Key Features
* **Conversion Analysis** - Score your copy and get specific recommendations to increase conversions
* **A/B Variant Generator** - Automatically generate alternative versions to test
* **Audience Simulation** - See how different customer segments react to your message
* **Brand Voice Check** - Ensure consistency across all your marketing materials
* **AI Pattern Removal** - Clean up text that sounds too AI-generated
* **Multi-format Generation** - Adapt your copy for emails, ads, social posts
* **Translation** - Localize your marketing copy while keeping persuasion intact
## Pricing
* **Free tier**: 3 analyses per day, no credit card required
* **Pro plan**: 39€/month for 50 analyses per day
## Who is it for?
Marketers, copywriters, founders, and growth teams who want to stop guessing why their copy underperforms and start fixing it with data.
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Comments
12I built Copyboost because I was tired of guessing why my marketing copy wasn't converting. Most AI tools generate more text. Copyboost does the opposite: you paste your existing copy and it tells you exactly what to fix. I built the entire product from scratch using AI coding tools, with zero prior development experience. Free to try, 3 analyses per day, no credit card needed.
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Founder
AI Pattern Removal is the most interesting feature
focused on building AI-powered products, full-stack applications, and decision intelligence platforms that combine structured thinking, practical learning, and modern development technologies.
nice tool, good for productivity
what a great tool . amazing
Solo indie founder. Building AI Life OS - iOS productivity assistant with AI journaling personas.
AI Pattern Removal is the most interesting feature - how are you detecting AI-generated patterns? Statistical signatures on sentence length, em-dash frequency, hedging phrases, or something more sophisticated?
Great question! It's actually a mix of both approaches. Copyboost runs a psycholinguistic audit across seven modules, and the AI pattern detection layer works on multiple signals simultaneously: Statistical signatures, yes: sentence length uniformity, overuse of em dashes, hedging language ("It's worth noting that..."), the classic "rule of three" structuring, and vocabulary clustering (words like "delve", "tapestry", "leverage" appearing at abnormal frequency). But also structural patterns: AI text tends to follow predictable rhetorical frameworks (problem → nuance → balanced conclusion), uses excessive parallelism, and lacks the micro-irregularities that natural writing has (sentence fragments, varied rhythm, colloquial shortcuts). The goal isn't just to flag "this looks AI-generated." It's to pinpoint which specific patterns make your copy sound generic, so you can fix them surgically rather than rewriting from scratch. That's where the actionable value is: you get a module-by-module breakdown, not just a score.
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I like the focus on improving existing copy instead of generating yet another draft. Conversion scoring plus audience simulation could help small teams decide what to test next, and the free daily analyses make it easy to evaluate quickly.
Thanks, that's exactly the philosophy behind Copyboost! Most tools out there want to replace your writing with AI-generated text. We do the opposite: your copy stays yours, we just show you where the friction is. The conversion scoring and audience simulation are designed for exactly that use case: small teams that can't afford to A/B test everything but still need data-driven direction on what to optimize first. You run your copy through the audit, you see which module flags the biggest gaps, and that's your next iteration priority. And yes, the free daily analysis is intentional. We want people to build the habit of auditing before publishing, not just when something underperforms. One analysis a day is enough to check your most important piece of content before it goes live.
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Diagnosing why marketing copy fails is genuinely valuable — most tools just generate copy without explaining what went wrong. Does it integrate with existing CMS platforms like WordPress or Webflow for real-time feedback?
You nailed it. That's the core gap we're filling: most tools generate text, but none tell you why your existing copy isn't converting. Copyboost gives you a module-by-module diagnosis so you know exactly what to fix and why. As for CMS integrations: Copyboost is a standalone web app right now. You paste your copy, run the audit, get your results. No plugins, no extensions. Simple and focused. It takes a couple of minutes to run a full seven-module audit, so the workflow stays fast: write in your CMS, paste into Copyboost, apply the fixes, publish. No context-switching overhead. If there's enough demand for direct integrations, that's something we'd definitely consider. But right now the priority is making the audit itself as sharp and actionable as possible.