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Best AI Writing App

249+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

With an average user rating of 4.6★, the ai writing app category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top AI Writing App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Book Creator: Author AIBook Creator: Author AIFree4.5★ (3.6K)YesYesAug 2026
2Rudyard: AI Writing AppRudyard: AI Writing AppFree4.5★ (8)NoYesAug 2026
3Chat AI - Ask AnythingChat AI - Ask AnythingFree4.8★ (130K)YesYesSep 2026
4Sudowrite - AI Novel WritingSudowrite - AI Novel WritingFree4.5★ (349)NoYesSep 2026
5ChatGPTChatGPTFree4.8★ (9.8M)YesYesSep 2026
6Grammarly: AI Keyboard & VoiceGrammarly: AI Keyboard & VoiceFree4.7★ (221K)NoYesSep 2026
7AI Writing AppAI Writing AppFree4.4★ (60)YesYesAug 2026
8TypeAI: AI Keyboard & WriterTypeAI: AI Keyboard & WriterFree4.7★ (19K)NoYesSep 2026

Top Picks for AI Writing App

Book Creator: Author AI#1

Book Creator: Author AI by Murphy Brantley

AI Novel Writing, Story Writer
Editor's Choice
🔧 Utilities
4.5😊(3.6K ratings)
FreeAdsIn-App Purchases
Book Creator: Author AI screenshot 1
Book Creator: Author AI screenshot 2
Book Creator: Author AI screenshot 3
Book Creator: Author AI screenshot 4
Book Creator: Author AI screenshot 5
Book Creator: Author AI screenshot 6

This app uses advanced AI to generate personalized stories, poems, and novels based on your input. Explore a vast library of themes and genres, or create your own prompts for unique narrative experiences.

What We Love

  • 🚀 Amazing story generation
  • 👍 Helpful for writers with creative block
  • 👍 Detailed and descriptive stories
  • 🤩 Impressive AI capabilities

Room to Improve

  • 🐛 Repeated or recycled content in chapters
  • 🔒 Limited customization and control over stories
  • 💰 Paid credits required for additional stories
Rudyard: AI Writing App#2

Rudyard: AI Writing App by Studio 42

Focused writing app with AI
Strong Contender
📊 Productivity
4.5(8 ratings)
FreeIn-App Purchases
Rudyard: AI Writing App screenshot 1
Rudyard: AI Writing App screenshot 2
Rudyard: AI Writing App screenshot 3
Rudyard: AI Writing App screenshot 4
Rudyard: AI Writing App screenshot 5

This writing app offers a distraction-free editor with AI assistance to help you brainstorm, fact-check, and refine your work. It learns your unique writing style to generate content that sounds like you.

Chat AI - Ask Anything#3

Chat AI - Ask Anything by ElevenThirteen LLC

AI Chatbot & Essay Writer Bot
Worth Considering
📊 Productivity
4.8😊(130K ratings)
FreeAdsIn-App Purchases
Chat AI - Ask Anything screenshot 1
Chat AI - Ask Anything screenshot 2
Chat AI - Ask Anything screenshot 3
Chat AI - Ask Anything screenshot 4
Chat AI - Ask Anything screenshot 5
Chat AI - Ask Anything screenshot 6

Engage in intelligent conversations with an advanced AI chatbot. This app offers personalized responses on a wide range of topics and can assist with writing tasks like essays and emails. Its AI continuously learns for more natural interactions.

What We Love

  • 🚀 Helpful AI with fast responses
  • 👍 Useful for general advice and tasks
  • 👍 Impressive and accurate responses
  • 👍 Convenient and easy to use

Room to Improve

  • 🐛 App crashes or becomes unavailable at times
  • 🔒 Limited free usage, requires paid subscription
  • 🔒 Frustrating when reaching daily usage limit

More AI Writing App apps to explore

4
Sudowrite - AI Novel Writing
Sudowrite - AI Novel Writing
Sudowrite - AI Novel Writing
AI fiction writing & dictation
Free

This AI-powered writing assistant helps creative writers generate story ideas, write novels, and craft poetry. Improve your fiction writing anytime, anywhere with intelligent suggestions and content generation.

AI story idea generationNovel writing assistancePoetry crafting
🔧 Utilities
(349)
free with in-app purchases
5
ChatGPT
ChatGPT
ChatGPT
Your everyday AI assistant
Free

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.

Image generation from textAdvanced voice conversationsPhoto upload and transcription
📊 Productivity
(9.8M)
free with in-app purchases
6
Grammarly: AI Keyboard & Voice
Grammarly: AI Keyboard & Voice
Grammarly: AI Keyboard & Voice
Write, dictate, edit, improve
Free

Enhance your writing across all apps with AI-powered suggestions for grammar, spelling, and clarity. Generate new versions of your text, detect tone, and improve conciseness. Also includes a document editor and Safari extension for comprehensive writing support.

Real-time grammar and spelling suggestionsAI-powered text rewritesTone detection and transformation
📊 Productivity
(221K)
freemium
7
AI Writing App
AI Writing App
AI Writing App
Genius Assistant, Essay Writer
Free

This intelligent assistant helps with various tasks, including answering questions, correcting grammar, summarizing text, and translating languages. It offers immediate assistance on any specific topic you need help with.

Answer questionsCorrect grammarSummarize text
📚 Education
(60)
free with in-app purchases
8
TypeAI: AI Keyboard & Writer
TypeAI: AI Keyboard & Writer
TypeAI: AI Keyboard & Writer
Translate, Grammar Spell Check
Free

Enhance your mobile writing with an AI-powered keyboard. Get real-time grammar checks, word suggestions, translations, and AI chatbot assistance for any app. Improve your communication and express yourself clearly and effectively.

AI ChatbotEmail Writing AssistanceGrammar & Spelling Check (7 languages)
📊 Productivity
(19K)
free with in-app purchases
9
Claude by Anthropic
Claude by Anthropic
Claude by Anthropic
AI assistant for life and work
Free

This AI assistant helps you write, research, code, and solve complex problems. It can analyze documents, code, and images, and even respond to voice commands. Expand your capabilities and tackle new projects with this intelligent thinking partner.

AI writing assistanceCoding and programming helpResearch and data insights
📊 Productivity
(251K)
free with in-app purchases
10
Essay Writer - AI Writing App
Essay Writer - AI Writing App
Essay Writer - AI Writing App
Write a Book, Story, Homework
Free
📚 Education
(0)
11
Google Gemini
Google Gemini
Google Gemini
Your AI assistant from Google
Free

This AI assistant helps you brainstorm, create content, and simplify complex topics. It integrates with your Google apps to provide personalized assistance, plan trips, and study smarter. Upgrade for advanced features like video generation and deeper research capabilities.

Unlimited prompting with Gemini 3 FlashLive interaction via camera/screen sharingContent creation (mockups, posters, diagrams)
📊 Productivity
(2.2M)
free with in-app purchases
12
AI Writer: Email Letter Essay
AI Writer: Email Letter Essay
AI Writer: Email Letter Essay
AI Keyboard, Writing Assistant
Free

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.

AI Voice DictationInstant Content GenerationReady-to-Use Templates
🔍 Reference
(6.6K)
free with in-app purchases
13
Chat with Jan AI
Chat with Jan AI
Chat with Jan AI
AI Chatbot & Helper
Free
🔧 Utilities
(0)
14
Writing App-AI Essay & Letter
Writing App-AI Essay & Letter
Writing App-AI Essay & Letter
Paragraph & Email Writer App
Free
📊 Productivity
(0)
15
VoxMind AI Notes
VoxMind AI Notes
VoxMind AI Notes
Record, Summarize & Write
Free
📊 Productivity
(0)
16
Chatty: AI Chat Generator
Chatty: AI Chat Generator
Chatty: AI Chat Generator
Ask Anything - AI Text Message
Free
📊 Productivity
(0)
17
AI Assistant: Essay Writer Pro
AI Assistant: Essay Writer Pro
AI Assistant: Essay Writer Pro
AI chatbot, Writer & Artist
Free
📊 Productivity
(0)
18
ReWriteMe: AI Writer
ReWriteMe: AI Writer
ReWriteMe: AI Writer
Polish emails, notes, replies
Free
📊 Productivity
(0)
19
AI.Assistant-Chat & Ask AI
AI.Assistant-Chat & Ask AI
AI.Assistant-Chat & Ask AI
Chatbot & Search AI
Free
🌟 Lifestyle
(0)
20
TypeBoost.ai
TypeBoost.ai
TypeBoost.ai
Your AI Writing Superpower
Free
📊 Productivity
(0)

FAQ about AI Writing App

What is the best ai writing app for iPhone?
Book Creator: Author AI tops our ai writing app ranking as of September 2026, with a 4.5-star average from 3.6K App Store ratings, and it's free to download.
Yes — 20 of the top ai writing app we rank are free to download, including Book Creator: Author AI and Rudyard: AI Writing App.
Book Creator: Author AI shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ ai writing app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Author AI is a revolutionary app that uses advanced artificial intelligence to generate unique and personalized stories, novels, and poetry. You can provide input or prompts, and the AI will create tailored narratives based on your preferences and interests.
Key features include AI-powered story generation, personalized narrative creation, a wide library of themes and genres, the ability to write custom prompts, and access to community stories. Users can create one story for free.

Related searches

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