Hypotenuse AI vs ProWritingAid vs HIX.AI

Explore our extensive and in-depth comparison of Hypotenuse AI vs ProWritingAid vs HIX.AI. Get insight into what features these AI writers offer to find the the best copilot to help you create quality content.

  Hypotenuse AI ProWritingAid HIX.AI
Pricing $12-$59/mo $10-$30/mo; $399/lifetime $4.99-$199.99/mo
Free Plan   
Language Model Unspecified Unspecified GPT-3.5/4
AI Writing Tools 30+ 1 (all-in-one AI tool) 120+
Supported Languages 25+ 1 (Only English) 50+
Article Rewriter      
Video to Article      
Paraphrasing Tool      
Brand Voice      
Bulk Processing      
AI Document Editor   (Integrated in their writing tools and chatbot)    
Writing Modes     3 (AI Mode, Chat Mode, Power Mode)
1-Click Google Docs Export      
1-Click WordPress Export      
Chatbot Assistance      
AI Writing Templates 30+   120
Integrated AI Availability      
Plagiarism Check      
Grammarly Integration      
AI Email Writer   (Not an independent email writer)    
Email Templates 1   20+
Summarize Emails      
Suggest & Write Replies      
Tones of Voices 4 with a custom option   13
Supported Languages 25+   50+
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HIX Writer

Empower your writing with 120+ AI writing tools

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Bypass AI detection with 100% undetectable AI content


Create undetectable, plagiarism-free essays with accurate citations

Browser Extension

The all-in-one ChatGPT copilot: rewrite, translate, summarize, Chat with PDF anywhere

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Hypotenuse AI: A Simplified E-commerce Product Description Writer

Hypotenuse AI: A Simplified E-commerce Product Description Writer

Hypotenuse AI is a copywriting tool powered by AI and released in 2020. The platform boasts over half a million people around the world. It's managed to attract seed funding reaching an impressive sum of $125K.

Hypotenuse AI uses smart AI algorithms to turn their prompts, keywords, and topics into several types of articles and marketing content. The tool is capable of crafting business-ready copy that you can leverage for your e-commerce website.


Usually employs solid research in its content

Capable of creating product descriptions using keywords

Several voice tones to choose from


Few pieces can pass without a few tweaks before they are publishable.

Only 10 credits in its free trial

ProWritingAid - Helping You With Real-Time Content Reviews

ProWritingAid - Helping You With Real-Time Content Reviews

ProWritingAid is a lot like Grammarly as it provides recommendations for syntax, grammatical tweaks, and clarity in your articles. It also features a content spinning feature for people rewording existing pieces. Plus, it analyzes the way you put your articles together with readability reports that tell you how well your intended audience is likely to receive the copy you've written.

There are a couple of different versions, though it's free plan restricts you to 500 words with its reports. ProWritingAid isn't on mobiles, making it unusable to any who need to write pieces when they're out and about.


Highlights grammar issues

Analyzes content using reports

Flexible grammar rules

Integrates into Word and Google Docs


Just 500 words for free is a little stingy

Fiddlier than its competitors

The HIX.AI Advantages Compared to Hypotenuse AI and ProWritingAid

As the most capable all-in-one AI writing copilot, HIX.AI improves your productivity from start to finish, including rewording, grammar checking, or generating articles from scratch, outpacing Hypotenuse AI and ProWritingAid in every aspect.

120+ AI Writing Tools

Create any content 10x faster in 50+ languages with over 120 writing tools.

HIX Editor

HIX Email Writer

Try Our Powerful, All-in-one AI Writing Copiloht Today!

Try Our Powerful, All-in-one AI Writing Copilot Today!

Enhance your writing process with HIX Writer. Whether you're crafting fact-based articles, humanizing AI text, or rewriting, summarizing, and translating your content, HIX Writer provides the tools you need.

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