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Best AI Writing Assistant Keyboard Apps

237+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good AI writing assistant keyboard apps. We benchmark 237+ 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 Keyboard

Quillbot-AI Writing & Keyboard#1

Quillbot-AI Writing & Keyboard by QuillBot, a Learneo Inc. business

Paraphrase & Grammar Check App
Editor's Choice
πŸ“Š Productivity
4.7😐(2.7K ratings)
FreeAdsIn-App Purchases
Quillbot-AI Writing & Keyboard screenshot 1
Quillbot-AI Writing & Keyboard screenshot 2
Quillbot-AI Writing & Keyboard screenshot 3
Quillbot-AI Writing & Keyboard screenshot 4
Quillbot-AI Writing & Keyboard screenshot 5
Quillbot-AI Writing & Keyboard screenshot 6

Enhance your writing with an AI-powered assistant that offers paraphrasing, grammar correction, and translation. Generate ideas, detect AI-written content, and create images directly from your device. Improve communication and overcome writer's block with this versatile tool.

What We Love

  • πŸš€ Helpful paraphrasing tool
  • πŸ‘ Convenient keyboard integration
  • πŸ’‘ Useful for writing and editing
  • πŸ‘ Improves writing quality

Room to Improve

  • πŸ› Buggy keyboard and app performance
  • πŸ”’ Difficult to cancel subscription
  • πŸ‘Ž Limited features compared to website
Grammarly: AI Keyboard & Notes#2

Grammarly: AI Keyboard & Notes by Superhuman Platform Inc

Chats, emails, work and study
Strong Contender
πŸ“Š Productivity
4.7😊(218K ratings)
FreeAdsIn-App Purchases
#14in Productivity
Grammarly: AI Keyboard & Notes screenshot 1
Grammarly: AI Keyboard & Notes screenshot 2
Grammarly: AI Keyboard & Notes screenshot 3
Grammarly: AI Keyboard & Notes screenshot 4
Grammarly: AI Keyboard & Notes screenshot 5
Grammarly: AI Keyboard & Notes screenshot 6

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.

What We Love

  • πŸš€ Easy to use
  • πŸš€ Extremely useful
  • πŸ‘ Helps improve writing skills
  • πŸ‘ Provides useful suggestions

Room to Improve

  • πŸ› Buggy keyboard behavior
  • πŸ› Inconsistent performance across platforms
  • πŸ”’ Privacy concerns with 'full access' requirement
ParagraphAI: Writer & Keyboard#3

ParagraphAI: Writer & Keyboard by ParagraphAI Inc.

AI Writing: Email, Essay, Text
Worth Considering
πŸ“Š Productivity
4.8😐(2.5K ratings)
FreeAdsIn-App Purchases
ParagraphAI: Writer & Keyboard screenshot 1
ParagraphAI: Writer & Keyboard screenshot 2
ParagraphAI: Writer & Keyboard screenshot 3
ParagraphAI: Writer & Keyboard screenshot 4
ParagraphAI: Writer & Keyboard screenshot 5
ParagraphAI: Writer & Keyboard screenshot 6

This AI-powered writing tool helps you generate original content, draft emails, and summarize text in over 40 languages. It functions as a keyboard, allowing you to write and edit seamlessly within any app, ensuring clear and confident communication.

What We Love

  • πŸš€ Powerful writing assistant
  • πŸ‘ Helpful for improving writing quality
  • πŸš€ Saves time on writing tasks
  • πŸš€ Generates professional-sounding content

Room to Improve

  • πŸ› Frequent crashes and glitches
  • πŸ’° Expensive subscription
  • πŸ”’ Data privacy concerns

More AI Writing Assistant Keyboard apps to explore

4
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
πŸ” Reference
(6.5K)
free with in-app purchases
5
AI Keyboard, Writing Assistant
AI Keyboard, Writing Assistant
AI Keyboard, Writing Assistant
Grammar Check & Auto Corrector
Free

Enhance your mobile typing with an AI-powered keyboard that offers smart predictions, autocorrect, and text expansion. It learns your style to improve speed and accuracy across multiple languages.

Smart predictions and suggestionsAutocorrect and error detectionAdaptive learning for personalized typing
πŸ“Š Productivity
(37)
free with in-app purchases
6
AI Keyboard Pro - Type & Write
AI Keyboard Pro - Type & Write
AI Keyboard Pro - Type & Write
Writer Chat Powered by ChatGPT
Free

Enhance your writing and communication across all apps with an AI-powered assistant. Get smart suggestions, error-free text, and faster replies for messages, emails, and documents. Customize your typing experience with themes and layouts.

AI-powered writing and replying assistantSeamless social app integrationGrammar correction
πŸ“Š Productivity
(1.3K)
free with in-app purchases
7
Auri AI Keyboard & Assistant
Auri AI Keyboard & Assistant
Auri AI Keyboard & Assistant
Voice Dictation, Notes & Chat
Free

This AI-powered keyboard and assistant helps you write faster, smarter, and error-free in over 80 languages. It can draft emails, transcribe voice memos, create notes, check grammar, and translate conversations, all from your keyboard.

AI-powered keyboard with dictationEmail drafting and response generationVoice memo transcription and summarization
πŸ“Š Productivity
(1.3K)
freemium
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)
πŸ“Š Productivity
(19K)
free with in-app purchases
9
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-powered assistant offers a suite of tools for writing, visual creation, and planning. It can generate text, images, tattoo designs, and captions, while also providing voice chat and personalized recommendations. Streamline your tasks and boost creativity with intelligent assistance.

AI-powered chatbot for answersImage generator from text descriptionsAI tattoo design creator
πŸ“Š Productivity
(14K)
free with in-app purchases
10
AI Writing Keyboard TypeGenius
AI Writing Keyboard TypeGenius
AI Writing Keyboard TypeGenius
AI Essay Writer, Grammar Help
Free

Enhance your writing on any app with an AI-powered keyboard. It offers grammar correction, text completion, translation, and paraphrasing. Access advanced features like AI chat and custom prompts with a premium subscription.

Grammar and typo correctionText translationText completion
πŸ“Š Productivity
(293)
freemium
11
AI Keyboard Extension: TypeBot
AI Keyboard Extension: TypeBot
AI Keyboard Extension: TypeBot
Grammar & Translator Keyboard
Free

This AI-powered keyboard extension enhances your writing with advanced grammar checking, real-time translation, and smart text completion. It offers features like paraphrasing, smart replies, and email drafting to improve communication and save time on any app.

Advanced grammar and spelling checkReal-time translation in 50 languagesSmart text completion
πŸ“Š Productivity
(1)
freemium
12
AI Keyboard: KeyAI
AI Keyboard: KeyAI
AI Keyboard: KeyAI
Writing Assistant & Translator
Free

Enhance your writing across all apps with an AI-powered keyboard and assistant. Translate, correct grammar, adjust tone, and generate content like emails and summaries. Save time with auto-paste and get smart replies.

Global translation in 99+ languagesGrammar and spell checkTone adjustment
πŸ“Š Productivity
(355)
free with in-app purchases
13
Chatly: AI Chatbot & Assistant
Chatly: AI Chatbot & Assistant
Chatly: AI Chatbot & Assistant
Built on GPT-4o. Chat & Ask AI
Free

This AI assistant leverages advanced GPT technology to help users with a wide range of writing tasks, from crafting marketing materials and speeches to generating social media content and code. It also offers image creation, text summarization, and OCR capabilities.

AI writing assistanceImage creation toolSpelling and grammar editor
πŸ“Š Productivity
(2.1K)
free with in-app purchases
14
AI Chatbot
AI Chatbot
AI Chatbot
AI Chat, open, assistant, pro
Free

This app offers an advanced AI-powered chat and writing assistant. It understands natural language for real-time conversations and helps craft professional emails, messages, and other written content with ease and precision.

AI chat bot for natural language conversationsReal-time responsesWriting assistant for emails and messages
πŸ“Š Productivity
(2.8K)
free with in-app purchases
15
Wordtune: AI Writing Keyboard
Wordtune: AI Writing Keyboard
Wordtune: AI Writing Keyboard
AI Writing App & Paraphrasing
Free

This AI-powered writing assistant helps you express yourself more clearly and authentically. It offers suggestions to rephrase text, generate new content, and adjust the tone and length of your writing. It works across multiple platforms, making it a versatile tool for various communication needs.

AI-powered text rewritingGenerate sentences and paragraphsAdjust tone and length
πŸ“Š Productivity
(960)
free with in-app purchases
16
Wispr Flow: AI Voice Keyboard
Wispr Flow: AI Voice Keyboard
Wispr Flow: AI Voice Keyboard
Voice dictation & quick notes
Free

This AI-powered voice keyboard transforms your spoken words into polished text instantly, working seamlessly across all your favorite apps. It refines your dictation for speed and accuracy, eliminating filler words and autocorrect errors. Capture notes, draft messages, or transcribe ideas effortlessly, all while sounding natural.

AI-powered voice dictationWorks in any appPolished, formatted output
πŸ“Š Productivity
(11K)
free with in-app purchases
17
AI Keyboard・Writing Assistant
AI Keyboard・Writing Assistant
AI Keyboard・Writing Assistant
Smart Extension・Works Anywhere
Free
πŸ“Š Productivity
(0)
18
TextAI - AI Texting Assistant
TextAI - AI Texting Assistant
TextAI - AI Texting Assistant
Text Message Writer & Keyboard
Free

This AI-powered writing assistant helps you craft personalized messages and texts for any situation. Choose your recipient and desired style to generate perfect content, from professional emails to creative stories.

AI text generationMessage writingGrammar correction
πŸ”§ Utilities
(1.1K)
free with in-app purchases
19
ChatGPT
ChatGPT
ChatGPT
The official app by OpenAI
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
πŸ“Š Productivity
(8.1M)
free with in-app purchases
20
AI Keyboard Assistant App
AI Keyboard Assistant App
AI Keyboard Assistant App
Personalised writing extension
Free

Enhance your writing with AI-powered suggestions, personalized themes, and quick text pasting. Generate replies, translate text, and create content with various tones. This custom keyboard extension aims to make you smarter in your daily digital interactions.

AI-powered writing assistancePersonalized keyboard themesAI-generated replies and text
πŸ’Ό Business
(3)
subscription