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Best AI Writing Assistant App

239+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good ai writing assistant app apps. We benchmark 239+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for AI Writing Assistant App

Monica AI: Ultimate AI Assist#1

Monica AI: Ultimate AI Assist by BUTTERFLY EFFECT PTE. LTD.

Chat, Search, Write, Translate
Editor's Choice
πŸ“Š Productivity
4.7😊(6.4K ratings)
FreeIn-App Purchases
Monica AI: Ultimate AI Assist screenshot 1
Monica AI: Ultimate AI Assist screenshot 2
Monica AI: Ultimate AI Assist screenshot 3
Monica AI: Ultimate AI Assist screenshot 4
Monica AI: Ultimate AI Assist screenshot 5

Meet Monica, your all-in-one AI pal powered by cutting-edge AI models like GPT-4. From AI search to voice translation, web summaries, and AI chat, Monica is your creative sidekick for various tasks. Experience AI magic with Monica at https://monica.im – Let Monica redefine your digital world!

What We Love

  • πŸš€ Excellent app performance
  • πŸ‘ User-friendly interface
  • πŸ’‘ Innovative features
  • πŸ€– High-quality AI assistant

Room to Improve

  • πŸ”’ Concerns over data privacy and security
  • πŸ’° Expensive subscription model
  • πŸ› Bugs and technical issues
AI ChatBot Assistant ChatUltra#3

AI ChatBot Assistant ChatUltra by Agile Apps LLC

Top AI Models・Image Generator
Worth Considering
πŸ“Š Productivity
4.7😊(2.4K ratings)
FreeIn-App Purchases
AI ChatBot Assistant ChatUltra screenshot 1
AI ChatBot Assistant ChatUltra screenshot 2
AI ChatBot Assistant ChatUltra screenshot 3
AI ChatBot Assistant ChatUltra screenshot 4
AI ChatBot Assistant ChatUltra screenshot 5
AI ChatBot Assistant ChatUltra screenshot 6

Introducing Ultra AI: GPT Bot, a cutting-edge application powered by OpenAI's advanced technology. Engage in meaningful conversations, complete tasks like drafting essays, translations, and generating creative content. Perfect for students, content creators, business professionals, language learners, educators, and anyone looking for a versatile personal AI assistant.

What We Love

  • πŸ‘ Easy to use
  • πŸš€ Fast and responsive
  • πŸ’‘ Helpful AI assistant
  • πŸ€– Impressive AI capabilities

Room to Improve

  • πŸ’° Paid subscription required
  • πŸ› Occasional crashes or bugs
  • πŸ•°οΈ Slow response times after prolonged use

More AI Writing Assistant App apps to explore

4
Hello AI - Chatbot Assistant
Hello AI - Chatbot Assistant
Hello AI - Chatbot Assistant
Smart Al Chat Bot, Ask & Talk
Free

Hello AI is a chatbot assistant powered by ChatGPT, designed to provide personalized assistance and guidance to users. Interact with the chatbot for instant responses to your queries and enhance your productivity today.

πŸ“Š Productivity
(54K)
5
AI Writer: Email Letter Essay
AI Writer: Email Letter Essay
AI Writer: Email Letter Essay
AI Keyboard, Writing Assistant
Free

AI Writer is a cutting-edge writing assistant that helps you effortlessly generate high-quality content for any scenario. With instant content generation, ready-to-use templates, and multilingual support, AI Writer is your go-to tool for overcoming writer's block and creating professional writing pieces in seconds. Start writing effortlessly today!

πŸ” Reference
(6.5K)
6
Grammarly: AI Keyboard & Notes
Grammarly: AI Keyboard & Notes
Grammarly: AI Keyboard & Notes
Chats, emails, work and study
Free

An AI writing keyboard that provides instant feedback and assistance for improved writing on iPhone and iPad. Features include spelling, grammar suggestions, tone detection, generative AI rewrites, and a document editor. Upgrade to Premium for advanced writing suggestions. Improve your writing with Grammarly!

πŸ“Š Productivity
(216K)
7
AI Writer Assistant - Lek
AI Writer Assistant - Lek
AI Writer Assistant - Lek
Chatbot and Image Generator
Free

AI Writer Assistant - Lek is a versatile writing tool powered by artificial intelligence designed to assist with various writing tasks. Ideal for content creators, students, businesses, and more, it offers features such as generating ad copies, improving SEO meta-data, writing emails, crafting product descriptions, and much more. Experience easy content generation by simply selecting a use case, entering input, and clicking "generate." Streamline your writing process effortlessly with Lek.ai.

πŸ“Š Productivity
(75)
8
AI Writer - Writing Assistant
AI Writer - Writing Assistant
AI Writer - Writing Assistant
Smart Chatbot Powered by GPT 5
Free

Experience the ultimate AI-powered writing assistant app powered by ChatGPT to enhance your writing skills, grammar, and creativity with intelligent suggestions, context-aware content generation, multilingual support, code generation, and creative writing guidance. Revolutionize your writing process and boost productivity – download now to unlock your writing potential.

πŸ“Š Productivity
(1.1K)
9
Chat AI - Ask Anything
Chat AI - Ask Anything
Chat AI - Ask Anything
AI Chatbot & Essay Writer Bot
Free

Get instant answers to all your questions with our AI Chatbot β€” ask anything and receive quick, accurate responses. Connect with our Chat AI now!

πŸ“Š Productivity
(126K)
10
AI Chatbot with Π‘hat - Chatrun
AI Chatbot with Π‘hat - Chatrun
AI Chatbot with Π‘hat - Chatrun
Assistant built on top models
Free

This AI Chatbot App with chat integration utilizes the ChatGPT API to provide responsive and engaging conversations. Enhance your interactions with advanced AI technologyβ€”try it out now!

πŸ“Š Productivity
(14K)
11
ParagraphAI: Writer & Keyboard
ParagraphAI: Writer & Keyboard
ParagraphAI: Writer & Keyboard
AI Writing: Email, Essay, Text
Free

Harness the power of AI with a cutting-edge writing assistant application that offers advanced text prediction and editing capabilities. Elevate your writing experience and efficiency with ParagraphAI – your ultimate tool for seamless content creation.

πŸ“Š Productivity
(2.5K)
12
AI Keyboard, Writing Assistant
AI Keyboard, Writing Assistant
AI Keyboard, Writing Assistant
Grammar Check & Auto Corrector
Free

This intelligent keyboard uses advanced artificial intelligence to adapt to your style, learn from your data, and help you express yourself effortlessly. With features like smart predictions, autocorrect, and multilingual support, it increases productivity, improves communication, and streamlines typing - download now and type smart!

πŸ“Š Productivity
(37)
13
AI Writing Chatbot Assistant
AI Writing Chatbot Assistant
AI Writing Chatbot Assistant
AI Creative Writer & Chatbot
Free
πŸ’Ό Business
(1)
14
Chat AI: Chatbot, Writing Bot
Chat AI: Chatbot, Writing Bot
Chat AI: Chatbot, Writing Bot
Ask, Assistant, Math, Roleplay
Free

An advanced AI chatbot and writing bot designed to enhance communication and writing experiences. Engage in seamless conversations or generate creative content effortlessly. Experience the future of AI-powered communication today.

πŸ“Š Productivity
(1.4K)
15
Friday AI Email Writer
Friday AI Email Writer
Friday AI Email Writer
PRO Letter, Mail & Text Writer
Free

Enhance your writing skills with an AI-powered app that provides personalized suggestions and story-telling for better, faster, and more efficient writing. From composing emails to proofreading, Friday assists with various writing tasks. Try our 3-day free trial for unlimited access and start writing like a pro today!

πŸ“Š Productivity
(9.6K)
16
ChatGPT
ChatGPT
ChatGPT
The official app by OpenAI
Free

Discover the ultimate AI-powered chat app for iOS with voice mode, creative inspiration, tailored advice, learning opportunities, professional input, and instant answers. Join millions of users and download now for free!

πŸ“Š Productivity
(7.8M)
17
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Study, Writing, Research Agent
Free

AI Chat Smith 4 is an AI-powered chatbot that uses OpenAI technology to provide personalized assistance and engage in conversations with users. Experience intuitive interactions and get instant responses to queries.

πŸ“Š Productivity
(165K)
18
AI Sonic - Chat & Write Bot
AI Sonic - Chat & Write Bot
AI Sonic - Chat & Write Bot
AI Article & Blog Writer
Free

Experience an innovative AI-powered writing tool that generates engaging articles and content effortlessly. Write with precision and creativity with Chatsonic - AI Writer!

πŸ”§ Utilities
(689)
19
Microsoft 365 Copilot
Microsoft 365 Copilot
Microsoft 365 Copilot
AI-powered productivity
Free

Unlock your productivity with this all-in-one suite of essential office tools. Create documents, analyze data, and design presentations seamlessly with this powerful application suite. Boost your efficiency and streamline your work processes today!

πŸ“Š Productivity
(1.3M)
20
Subtext: AI Writing Assistant
Subtext: AI Writing Assistant
Subtext: AI Writing Assistant
Therapist for Messages
Free

Streamline your communication with Subtext, an AI-powered writing assistant that helps you craft clear, empathetic, and emotionally intelligent messages. Enhance your writing skills, reduce anxiety, and strengthen relationships through personalized feedback and AI-generated suggestions.

πŸ“Š Productivity
(19)

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