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Best Grammar Check Keyboard Apps

236+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

The best grammar check keyboard apps on iPhone average 4.6★ across 236+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Grammar Check Keyboard

Grammarly: AI Keyboard & Notes#1

Grammarly: AI Keyboard & Notes by Superhuman Platform Inc

Chats, emails, work and study
Editor's Choice
📊 Productivity
4.7😊(216K ratings)
FreeAdsIn-App Purchases
#11in 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

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!

What We Love

  • 🚀 Easy to use
  • 🚀 Extremely useful
  • 👍 Helps improve writing skills
  • 👍 Provides useful suggestions

Room to Improve

  • 🐛 Buggy keyboard behavior
  • 🐛 Inconsistent performance across platforms
  • 🔒 Privacy concerns with 'full access' requirement
CorrectMe Grammar AI Keyboard#2

CorrectMe Grammar AI Keyboard by Teleprompter LLC

Spelling check and paraphrase
Strong Contender
📊 Productivity
4.7😞(12K ratings)
FreeAdsIn-App Purchases
CorrectMe Grammar AI Keyboard screenshot 1
CorrectMe Grammar AI Keyboard screenshot 2
CorrectMe Grammar AI Keyboard screenshot 3
CorrectMe Grammar AI Keyboard screenshot 4

Check out this spelling and typing check app designed to improve your written English skills by providing contextual grammar and spelling checks, smart recommendations, synonym suggestions, and more. Download now to enhance your writing with CorrectMe!

What We Love

  • 👍 Helpful for school work
  • 🤖 Improves writing skills
  • ✨ Useful for professional writing

Room to Improve

  • 💰 Expensive subscription
  • 🔒 Issues with account/subscription management
  • 🐛 App crashes and freezes
Grammar Check Corrector by AI#3

Grammar Check Corrector by AI by TINY LEO COMPANY LIMITED

AI Keyboard, Rewrite & Spell
Worth Considering
📊 Productivity
4.6😊(126 ratings)
FreeAdsIn-App Purchases
Grammar Check Corrector by AI screenshot 1
Grammar Check Corrector by AI screenshot 2
Grammar Check Corrector by AI screenshot 3
Grammar Check Corrector by AI screenshot 4
Grammar Check Corrector by AI screenshot 5
Grammar Check Corrector by AI screenshot 6

This application helps you improve your writing by providing instant grammar suggestions and corrections. Enhance the quality of your content with this powerful tool.

What We Love

  • 🚀 Fast and efficient
  • 👍 Easy and convenient to use
  • 💡 Helpful for college and writing
  • 👍 Improves writing and grammar

Room to Improve

  • 🐛 Not working after trial/subscription
  • 💰 Expensive, should be free
  • 🔍 Requires watching ads

More Grammar Check Keyboard apps to explore

4
TypeAI: AI Keyboard & Writer
TypeAI: AI Keyboard & Writer
TypeAI: AI Keyboard & Writer
Translate, Grammar Spell Check
Free

TypeAI: AI Keyboard is an innovative keyboard application that utilizes artificial intelligence to predict and suggest text as you type, offering a seamless and efficient typing experience. Enhance your typing speed and accuracy with TypeAI's intelligent features today!

📊 Productivity
(19K)
5
Grammar: Sentence Diagrammer
Grammar: Sentence Diagrammer
Grammar: Sentence Diagrammer
Spelling Check & Corrector
Free

An advanced tool that analyzes and dissects sentences to aid in grammar corrections and improve writing skills. Enhance your writing with detailed sentence diagrams and comprehensive grammar checks.

📊 Productivity
(1K)
6
AI Grammar Check Keyboard
AI Grammar Check Keyboard
AI Grammar Check Keyboard
Spell Checker, Rewriting tool
Free
🔍 Reference
(12)
7
Typeright: Grammar Check App
Typeright: Grammar Check App
Typeright: Grammar Check App
Writing, Spelling, Punctuation
Free

Enhance your writing effortlessly with our AI-Powered Writing Assistant. Write flawlessly in multiple languages, whether on the app or the dedicated keyboard, to boost your communication skills significantly!

📊 Productivity
(853)
8
AI Grammar Check Spell by Fixy
AI Grammar Check Spell by Fixy
AI Grammar Check Spell by Fixy
Sentence writing checker tool
Free

Experience flawless grammar and spell check accuracy with our AI Grammar Check and Sentence Corrector app. Enhance your writing with real-time corrections, advanced rewriting suggestions, and a comprehensive proofreading tool, all at your fingertips. Upgrade to Premium for advanced writing suggestions and unlock the full potential of your communication. Privacy and trust are our core values. Visit our Trust Center for more information. Start perfecting your writing today!

📊 Productivity
(558)
9
Proofreader AI Grammar Checker
Proofreader AI Grammar Checker
Proofreader AI Grammar Checker
Correct spelling, rewrite tool
Free

Discover a powerful AI tool designed to enhance your writing with advanced grammar checking and paraphrasing capabilities. Elevate your content to new heights with this innovative application. Try it now for error-free writing!

📊 Productivity
(3.2K)
10
LanguageTool - Grammar Checker
LanguageTool - Grammar Checker
LanguageTool - Grammar Checker
Grammar, Style & Spell Checker
Free

Improve your writing with an advanced grammar and style checker. Catch errors, enhance readability, and refine your writing skills with this powerful tool. Try it now for polished and error-free writing.

📊 Productivity
(476)
11
Grammar AI Checker & Corrector
Grammar AI Checker & Corrector
Grammar AI Checker & Corrector
Spell check, word correction
Free

Elevate your English writing skills with a powerful grammar application that acts as your all-in-one writing assistant. From spell checking to punctuation correction, this tool offers real-time suggestions and personalized recommendations to enhance your writing style. Download now to unlock flawless English writing and gain confidence in expressing yourself eloquently.

📊 Productivity
(2.1K)
12
Grammar Check゜
Grammar Check゜
Grammar Check゜
Lexi English Spell Checker
Free

Enhance your writing with the Lexi Grammar Checker! Easily check and correct grammar and spelling errors, punctuation, typos, and more. Available on iPhone and iPad. Unlock premium features with a subscription for $9.99/month. Learn more at: [Privacy policy and Terms of Use](https:/cueprompter.com/lexi/)

📊 Productivity
(312)
13
AI Keyboard - Grammar Check
AI Keyboard - Grammar Check
AI Keyboard - Grammar Check
AI Chat bot & Spell Checker
Free

Experience typing like never before with an innovative AI keyboard app that predicts your input with remarkable accuracy. Enhance your typing efficiency and speed by downloading now!

📊 Productivity
(59)
14
Gboard – the Google Keyboard
Gboard – the Google Keyboard
Gboard – the Google Keyboard
Search. GIFs. Emojis and more.
Free

An innovative keyboard application offering seamless typing experience on iPhone and iPad with features like GIF and emoji search, Glide Typing, and integrated Google Search. Users can search and send a variety of content directly from the keyboard. Accessible in multiple languages, it ensures privacy by keeping personal information secure. Try it now for a smarter typing experience!

🔧 Utilities
(53K)
15
Grammar AI Keyboard: KeysAI
Grammar AI Keyboard: KeysAI
Grammar AI Keyboard: KeysAI
Typo Fix & Punctuation check
Free

Experience seamless writing with KeysAI, an AI-powered writing companion that enhances your text with grammar and spelling perfection, word choice suggestions, real-time translation, automated message completion, and advanced paraphrasing features. Elevate your writing skills across all platforms and applications by downloading KeysAI today!

📊 Productivity
(46)
16
Writely - AI Keyboard & Writer
Writely - AI Keyboard & Writer
Writely - AI Keyboard & Writer
Grammar Check & Paraphrase App
Free

Get your thoughts down faster with an intelligent keyboard that predicts and suggests words as you type. Experience seamless auto-correction and text prediction to enhance your typing speed and accuracy. Try it now to revolutionize your typing experience!

📊 Productivity
(1.6K)
17
Grammar Check: Spell Corrector
Grammar Check: Spell Corrector
Grammar Check: Spell Corrector
Grammar & Sentence Checker
Free

Enhance your writing with our powerful AI grammar checker and spell corrector. Improve your content clarity, check for grammar and tenses, and paste or upload large files for thorough corrections. Download now for free and elevate your writing skills instantly!

📊 Productivity
(334)
18
Quillbot: Gen AI Writing Tool
Quillbot: Gen AI Writing Tool
Quillbot: Gen AI Writing Tool
Paraphrase & Grammar Check App
Free

Enhance your writing with an AI Writing Keyboard offering 7 paraphrasing modes tailored for different writing styles and projects. Perfect for all writers, it provides real-time suggestions, AI assistance, and customization options to create polished content effortlessly.

📊 Productivity
(58)
19
Grammar AI : Keyboard & Writer
Grammar AI : Keyboard & Writer
Grammar AI : Keyboard & Writer
Translate, Grammar Checker AI
Free
📊 Productivity
(0)
20
AI Type: Al Keyboard Extension
AI Type: Al Keyboard Extension
AI Type: Al Keyboard Extension
Grammar Check & Word Corrector
Free

AI Type is a cutting-edge keyboard extension that leverages AI technology for predictive typing, autocorrect, and smart suggestions, enhancing your typing experience. Elevate your texting and typing efficiency with AI Type's innovative features.

📊 Productivity
(1K)

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