These apps are mentioned in the breakdown of this job. Open each one to compare strengths and limits. The order of the list is not a ranking of fitness.
Rank 27. Review score: 44 out of 100. App Store rating: 4.8★ · 830 ratings
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The app delivers real value for essays and legal documents, but trial period behavior raises questions and the editor has no version history. The product works, but clearly falls short of web-based ChatGPT.
Praised: Helps structure and rephrase drafts, especially for academic texts.
Complaints: No version history: one undo button rolls back all edits at once.
Best for: Students who need to quickly improve an essay draft
Rank 32. Review score: 38 out of 100. App Store rating: 4.8★ · 6,540 ratings
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The app genuinely helps with essays and business letters at a basic level, but a request limit under an unlimited subscription and a clunky onboarding undermine trust. Real value is there but buried under opaque terms.
Praised: Helps put thoughts into words when nothing comes, especially for formal and business texts.
Complaints: The unlimited subscription actually has a hidden rate limit with forced pauses between requests.
Best for: Students and professionals who occasionally need a letter or essay draft
Rank 1. Review score: 72 out of 100. App Store rating: 4.8★ · 8,239,403 ratings
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OpenAI's flagship AI assistant with broad capabilities for editing, rewriting, and structuring text. The main weakness: the model hallucinates on facts and loses context in long sessions.
Praised: Handles complex editing and style requests faster and more accurately than a search engine.
Complaints: Memory between sessions is inconsistent and sometimes mixes another conversation's context into the current one.
Best for: Anyone who writes regularly and wants a general-purpose AI assistant
Rank 5. Review score: 62 out of 100. App Store rating: 4.7★ · 217,772 ratings
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Grammarly remains a strong tool for real-time grammar and style checking, especially in keyboard mode. However, AI rephrasing often distorts meaning, and the aggressive paywall is frustrating.
Praised: Keyboard mode works directly in any app and highlights errors immediately.
Complaints: AI tone-reframing changes the meaning of what you wrote instead of improving the form.
Best for: Native speakers who need a quick grammar checker
Rank 17. Review score: 52 out of 100. App Store rating: 4.7★ · 2,755 ratings
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QuillBot genuinely helps with paraphrasing and improving text, especially for non-native speakers. After recent updates, the quality of a second round of editing has degraded, and the free mode has become nearly worthless.
Praised: Natively paraphrases and finds better word choices so that text sounds more polished and precise.
Complaints: A second round of editing often merges words and breaks sentences that were already correct.