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Best AI Writing Tool Apps

250+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated October 2026

From beginner-friendly picks to power-user tools, our ai writing tool list covers 250+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top AI Writing Tool Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AI Writer: Email Letter EssayAI Writer: Email Letter EssayFree4.8ā˜… (6.7K)YesYesOct 2026
2ChatGPTChatGPTFree4.8ā˜… (12M)YesYesOct 2026
3AI Writer - Writing AssistantAI Writer - Writing AssistantFree4.7ā˜… (1.1K)NoYesOct 2026
4ParagraphAI: Writer & KeyboardParagraphAI: Writer & KeyboardFree4.8ā˜… (2.5K)NoYesOct 2026
5AI Writing ToolsAI Writing ToolsFree5.0ā˜… (2)NoYesMay 2026
6Chat AI - Ask AnythingChat AI - Ask AnythingFree4.8ā˜… (130K)YesYesOct 2026
7Ask Assist - AI Chat BotAsk Assist - AI Chat BotFree4.5ā˜… (12K)YesYesOct 2026
8Grammarly: AI Keyboard & VoiceGrammarly: AI Keyboard & VoiceFree4.7ā˜… (228K)NoYesOct 2026

Top Picks for AI Writing Tool

AI Writer: Email Letter Essay#1

AI Writer: Email Letter Essay by Tuling Network Limited

AI Keyboard, Writing Assistant
Editor's Choice
šŸ” Reference
4.8šŸ˜Š(6.7K ratings)
FreeAdsIn-App Purchases
AI Writer: Email Letter Essay screenshot 1
AI Writer: Email Letter Essay screenshot 2
AI Writer: Email Letter Essay screenshot 3
AI Writer: Email Letter Essay screenshot 4
AI Writer: Email Letter Essay screenshot 5
AI Writer: Email Letter Essay screenshot 6

This app assists with all your writing needs, from emails and essays to creative content. It offers AI-powered dictation, instant content generation, and a variety of templates to overcome writer's block and enhance your writing.

What We Love

  • šŸš€ Helpful writing assistant
  • šŸ‘ Useful for school, work, and personal writing
  • šŸ’” Generates creative ideas and content
  • šŸš€ Fast and efficient
  • šŸ‘ User-friendly interface

Room to Improve

  • šŸ’° Subscription/credits model can be expensive
  • šŸ› Occasional bugs and glitches
  • šŸ”‹ Battery-intensive
  • šŸ”’ Concerns about data privacy and plagiarism
ChatGPT#2

ChatGPT by OpenAI OpCo, LLC

Your everyday AI assistant
Strong Contender
šŸ“Š Productivity
4.8šŸ˜Š(12M ratings)
FreeAdsIn-App Purchases
#1in Productivity
ChatGPT screenshot 1
ChatGPT screenshot 2
ChatGPT screenshot 3
ChatGPT screenshot 4
ChatGPT screenshot 5
ChatGPT screenshot 6

This app provides access to advanced AI capabilities, including text generation, image creation from descriptions, and voice conversations. It offers personalized advice, creative inspiration, and instant answers for various tasks, syncing history across devices.

What We Love

  • šŸš€ Powerful and versatile AI assistant
  • šŸ‘ Intuitive and user-friendly interface
  • šŸ¤– Impressive conversational abilities
  • šŸ’” Convenient mobile access to ChatGPT
  • šŸ§  Vast knowledge base on diverse topics
  • šŸ” Helpful for research, writing, and problem-solving
  • šŸ¤ Feels like an intelligent companion

Room to Improve

  • šŸ› Occasional inaccuracies or inconsistencies in responses
  • šŸ”– Limited to pre-2021 data, lacking real-time updates
  • šŸ”’ Concerns about privacy and data usage
  • šŸ” Difficulty in navigating and managing conversation history
AI Writer - Writing Assistant#3

AI Writer - Writing Assistant by MasterMind Software LLC

Smart Chatbot Powered by GPT 5
Worth Considering
šŸ“Š Productivity
4.7šŸ˜Š(1.1K ratings)
FreeIn-App Purchases
AI Writer - Writing Assistant screenshot 1
AI Writer - Writing Assistant screenshot 2
AI Writer - Writing Assistant screenshot 3
AI Writer - Writing Assistant screenshot 4
AI Writer - Writing Assistant screenshot 5
AI Writer - Writing Assistant screenshot 6

This AI-powered writing assistant helps you generate various types of text, from essays and emails to creative content and code. It also offers web search, summarization, translation, and grammar correction to enhance your writing and research process.

What We Love

  • šŸ™ Great writing app and easy to use
  • šŸ‘ Can write a lot
  • šŸ‘ Best app ever! Very good!
  • šŸ‘ Great app for hw
  • šŸ‘ Lifesaver for students with learning disabilities
  • šŸ‘ Great app for aspiring writers
  • šŸ‘ Key tool for improving and developing global independence
  • šŸ‘ Helpful for school work
  • šŸ‘ Very good
  • šŸ‘ The best app possible for writing
  • šŸ‘ A great educational tool
  • šŸ‘ Best app so far!
  • šŸ‘ Love it
  • šŸ‘ Good stories and free
  • šŸ‘ Amazing information and help

Room to Improve

  • šŸ› Hard to understand, not easy at all
  • šŸ”’ Can't find a setting to cancel trial
  • šŸ”’ Can't even buy anything with it
  • šŸ”’ Too limited and restricted, can't answer questions properly
  • šŸ› No instructions or tutorial, can't get it to proofread
  • šŸ’° Costs money to write anything after using up initial credits
  • šŸ’° Deceiving, input limit is only 250 characters
  • šŸ› Inaccurate information on real people

More AI Writing Tool apps to explore

FAQ about AI Writing Tool

What are the best ai writing tool apps for iPhone?
AI Writer: Email Letter Essay tops our ai writing tool apps ranking as of October 2026, with a 4.8-star average from 6.7K App Store ratings, and it's free to download.
Yes ā€” 20 of the top ai writing tool apps we rank are free to download, including AI Writer: Email Letter Essay and ChatGPT.
AI Writer: Email Letter Essay shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ ai writing tool apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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