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Best AI Writing Assistant Apps for iPhone

Compare rankings, user ratings, and pricing charts for iOS mobile applications matching "ai writing assistant", with free ASO keyword analytics.

This page lists the apps the App Store returns for ai writing assistant, with each one's average rating, number of ratings, price, category and position in the result. Right now that is 12 apps, all free, averaging 4.7 stars, mostly in Productivity, Business and Reference.

8 of the 10 rated apps hold 4.5 stars or better, the median app has 391 ratings, and releases span 2017 to 2026.

Building an app in this space? Do your App Store keyword research against the same data, browse the full iOS App Directory, or open the free App Store optimization tools — including the App Store Keyword Tool and the ASO Guide.

Quick picks from this list

Each pick is a fact about the apps on this page — most ratings, best rating on 1,000+ ratings, latest release — not an endorsement.

Top AI Writing Assistant Apps Compared

Feature your ai writing assistant app here
AppRatingRating CountPriceCategory
StealthGPT - Undetectable AIStealthGPT - Undetectable AI
5.0
1FreeProductivity
AI Writer: Email Letter EssayAI Writer: Email Letter Essay
4.8
6.6KFreeReference
AI Writer - Writing AssistantAI Writer - Writing Assistant
4.7
1.1KFreeProductivity
Sudowrite - AI Novel WritingSudowrite - AI Novel Writing
4.4
391FreeUtilities
Offline AI Writing AssistantOffline AI Writing AssistantNo ratings0FreeProductivity
AI Chatbot Assistant: ChatASKAI Chatbot Assistant: ChatASK
4.3
10FreeProductivity
Grammarly: AI Keyboard & VoiceGrammarly: AI Keyboard & Voice
4.7
226.2KFreeProductivity
AI Writing Chatbot AssistantAI Writing Chatbot Assistant
5.0
1FreeBusiness

Showing 12 apps for query "ai writing assistant" in 🇺🇸 United States

#N is the App Store's own order; ~#N is below Apple's first page, and approximate.

  1. #1StealthGPT - Undetectable AI

    StealthGPT - Undetectable AI

    Carrie mckeegan 5.0 (1)ProductivityFree1mo
  2. #2AI Writer: Email Letter Essay

    AI Writer: Email Letter Essay

    Tuling Network Limited 4.8 (6.6K)ReferenceFree4y
  3. #3AI Writer - Writing Assistant

    AI Writer - Writing Assistant

    MasterMind Software LLC 4.7 (1.1K)ProductivityFree3y
  4. #4Sudowrite - AI Novel Writing

    Sudowrite - AI Novel Writing

    Human Plus Plus, Inc. 4.4 (391)UtilitiesFree1y 1mo
  5. #5Offline AI Writing Assistant

    Offline AI Writing Assistant

    Umar BilalNo ratingsProductivityFree8mo
  6. #6AI Chatbot Assistant: ChatASK

    AI Chatbot Assistant: ChatASK

    LYKOV STUDIO LTD 4.3 (10)ProductivityFree2y 2mo
  7. #7Grammarly: AI Keyboard & Voice

    Grammarly: AI Keyboard & Voice

    Superhuman Platform Inc 4.7 (226.2K)ProductivityFree8y
  8. #8AI Writing Chatbot Assistant

    AI Writing Chatbot Assistant

    Speed Apps Labs LLP 5.0 (1)BusinessFree3y
  9. #9AI Writing Assistant ProWrite

    AI Writing Assistant ProWrite

    Agile Apps LLC 4.5 (363)BusinessFree3y
  10. #10Ceify : AI Writing Assistant +

    Ceify : AI Writing Assistant +

    CodeCrossNo ratingsProductivityFree1y 2mo
  11. #11TypeAI: AI Keyboard & Writer

    TypeAI: AI Keyboard & Writer

    DEEP FLOW SOFTWARE SERVICES 4.7 (19.0K)ProductivityFree3y
  12. ~#12Chat AI: Ask Agent Anything

    Chat AI: Ask Agent Anything

    DEEP FLOW SOFTWARE SERVICES 4.8 (328.5K)ProductivityFree3y

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Frequently Asked Questions

What is the best ai writing assistant app for iPhone?
The best ai writing assistant app depends on your specific requirements. The list on this page shows what the App Store returns for "ai writing assistant", with each app's average rating, number of ratings, price and category so you can compare them side by side.
How is this ai writing assistant list ordered?
Apps are listed in the order the App Store returns them for the search "ai writing assistant", and can be re-sorted by rating, number of ratings, price or release date. The figures come from Apple's public App Store data.
Can my ai writing assistant app be featured on this page?
Yes. Each page has one featured card above the comparison, marked Sponsored, with the app's icon, a line of the developer's own copy and a link to the App Store. The list itself is never reordered for a sponsor: it stays the order the App Store returns. Rates and how it works.