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Best Grammarly App

210+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

Grammarly is the household name in grammarly app, but it's far from the only option. We track 210+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Grammarly App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Grammarly: AI Keyboard & NotesGrammarly: AI Keyboard & NotesFree4.7★ (221K)NoYesAug 2026
2Grammar Check Corrector by AIGrammar Check Corrector by AIFree4.7★ (1.6K)YesYesAug 2026
3ChatGPTChatGPTFree4.8★ (9.2M)YesYesAug 2026
4CorrectMe Grammar AI KeyboardCorrectMe Grammar AI KeyboardFree4.7★ (12K)YesYesAug 2026
5AI Grammar Corrector KeyboardAI Grammar Corrector KeyboardFree4.7★ (2.3K)NoYesAug 2026
6Claude by AnthropicClaude by AnthropicFree4.7★ (217K)NoYesAug 2026
7Grammar: Sentence DiagrammerGrammar: Sentence DiagrammerFree4.4★ (1K)YesYesAug 2026
8Quillbot-AI Writing & KeyboardQuillbot-AI Writing & KeyboardFree4.7★ (2.9K)NoYesAug 2026

Top Picks for Grammarly App

Grammarly: AI Keyboard & Notes#1

Grammarly: AI Keyboard & Notes by Superhuman Platform Inc

Write, dictate, edit, improve
Editor's Choice
📊 Productivity
4.7😊(221K ratings)
FreeIn-App Purchases
#12in 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

  • 🚀 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
Grammar Check Corrector by AI#2

Grammar Check Corrector by AI by Tiny Leo Co., Ltd

AI Keyboard, Translate, Spell
Strong Contender
📊 Productivity
4.7😊(1.6K 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 AI-powered keyboard offers real-time grammar and spelling corrections, sentence paraphrasing, and tone adjustment directly within any app. It also includes multilingual translation capabilities to enhance your writing and communication.

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
ChatGPT#3

ChatGPT by OpenAI OpCo, LLC

Your everyday AI assistant
Worth Considering
📊 Productivity
4.8😊(9.2M ratings)
FreeAdsIn-App Purchases
#1in Productivity
ChatGPT screenshot 1
ChatGPT screenshot 2
ChatGPT screenshot 3
ChatGPT screenshot 4
ChatGPT screenshot 5
ChatGPT screenshot 6

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.

What We Love

  • 🚀 Powerful and versatile AI assistant
  • 👍 Intuitive and user-friendly interface
  • 🤖 Impressive conversational abilities
  • 💡 Convenient mobile access to ChatGPT

Room to Improve

  • 🐛 Occasional inaccuracies or inconsistencies in responses
  • 🔖 Limited to pre-2021 data, lacking real-time updates
  • 🔒 Concerns about privacy and data usage

More Grammarly App apps to explore

4
CorrectMe Grammar AI Keyboard
CorrectMe Grammar AI Keyboard
CorrectMe Grammar AI Keyboard
Spelling check and paraphrase
Free

Enhance your written communication with intelligent grammar and spelling checks. Improve your English writing skills with contextual error detection, smart recommendations, and explanations of mistakes. Share your polished texts effortlessly.

Contextual grammar checkSpelling checkSmart recommendations
📊 Productivity
(12K)
free with in-app purchases
5
AI Grammar Corrector Keyboard
AI Grammar Corrector Keyboard
AI Grammar Corrector Keyboard
Paraphrase Tool & Spell Check
Free

Enhance your English writing with a comprehensive grammar checker. It offers real-time suggestions for grammar, punctuation, and vocabulary, acting as a sentence corrector and plagiarism checker. Improve clarity, conciseness, and overall writing style across various platforms.

Grammar correctionSentence correctionPlagiarism checker
📊 Productivity
(2.3K)
subscription
6
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
(217K)
free with in-app purchases
7
Grammar: Sentence Diagrammer
Grammar: Sentence Diagrammer
Grammar: Sentence Diagrammer
Spelling Check & Corrector
Free

Improve your writing with this app that offers grammar and spelling checks, synonym suggestions, and word definitions. Enhance your text style and vocabulary for professional and personal communication.

Grammar CheckSpelling CheckSynonym Suggestions
📊 Productivity
(1K)
subscription
8
Quillbot-AI Writing & Keyboard
Quillbot-AI Writing & Keyboard
Quillbot-AI Writing & Keyboard
Paraphrase & Grammar Check App
Free

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.

AI ParaphraserGenerative AI writingGrammar Checker
📊 Productivity
(2.9K)
freemium
9
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
10
AI Chatbot - Ask Me Anything
AI Chatbot - Ask Me Anything
AI Chatbot - Ask Me Anything
Top AI tools in one app
Free

This intelligent virtual assistant uses AI to understand your requests and provide helpful information. It can answer questions, write content, translate languages, solve math problems, generate images, and summarize documents. Access multiple top AI models for a comprehensive experience.

Answer questionsWrite emails, papers, essaysCompose stories and poems
📊 Productivity
(15K)
freemium
11
AI Grammar Checker for English
AI Grammar Checker for English
AI Grammar Checker for English
Check grammar, spell, sentence
Free

This app acts as a personal English grammar and spelling assistant. It corrects errors in real-time, offers detailed analysis of mistakes, and even includes OCR scanning and word translation to enhance your writing and understanding.

Real-time grammar and spelling auto-correctDetailed error analysis and tipsOCR text scanner from images
📊 Productivity
(308)
free with in-app purchases
12
Proofreader AI Grammar Checker
Proofreader AI Grammar Checker
Proofreader AI Grammar Checker
Writing Keyboard, Spell Check
Free

Enhance your writing with an AI-powered keyboard and assistant. Correct grammar, spelling, and punctuation, and improve clarity and style. Generate text, rewrite sentences, and expand your vocabulary anywhere you type.

AI Keyboard with one-tap proofreadingAdvanced grammar, spelling, and punctuation checkerAI rewriting and paraphrasing
📊 Productivity
(3.3K)
freemium
13
Grammar Check゜
Grammar Check゜
Grammar Check゜
Lexi English Spell Checker
Free

Improve your writing with a comprehensive grammar and spelling checker. Quickly identify and correct errors in your texts to ensure professionalism and accuracy. Easily share your polished content with others.

Punctuational error checkTyping and spelling mistake checkLowercase and uppercase check
📊 Productivity
(312)
free with in-app purchases
14
AI Grammar Check & Spell Check
AI Grammar Check & Spell Check
AI Grammar Check & Spell Check
Spelling & Punctuation Checker
Free

Enhance your writing with this app that corrects sentences, improves text style, and expands vocabulary. Learn from detailed explanations of grammar and spelling corrections to boost your confidence and master English.

Sentence correctionText style improvementVocabulary enhancement
📚 Education
(118)
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
📊 Productivity
(975)
free with in-app purchases
16
Typeright: Grammar Check App
Typeright: Grammar Check App
Typeright: Grammar Check App
Writing, Spelling, Punctuation
Free

This AI-powered writing assistant helps you write mistake-free everywhere. It offers grammar, spelling, and punctuation checks across multiple languages, along with translation and style suggestions. Use it in any app via its dedicated keyboard for improved writing confidence.

AI-powered writing assistantGrammar, spelling, and punctuation checkMulti-language support (English, Spanish, German)
📊 Productivity
(849)
free with in-app purchases
17
AI Grammar Check,Spell Checker
AI Grammar Check,Spell Checker
AI Grammar Check,Spell Checker
AI Type,Summarizer,Paraphrase
Free

Enhance your writing with AI-powered grammar, spelling, and style checks. This tool helps you detect AI-generated text, paraphrase content, and even generate essays. Improve clarity, correctness, and impact across all your written communications.

Grammar, spelling, and punctuation correctionAI text detection and humanizationPlagiarism scanning and removal
📊 Productivity
(16)
free with in-app purchases
18
Microsoft SwiftKey AI Keyboard
Microsoft SwiftKey AI Keyboard
Microsoft SwiftKey AI Keyboard
Copilot | Emojis | Tone change
Free

This intelligent keyboard learns your writing style to provide accurate autocorrect and helpful predictions. It offers customizable themes and quick access to emojis and GIFs, allowing you to communicate faster and more efficiently.

Learns writing styleAccurate autocorrectHelpful predictions
🔧 Utilities
(121K)
free with in-app purchases
19
AI Grammar Check Spell by Fixy
AI Grammar Check Spell by Fixy
AI Grammar Check Spell by Fixy
Sentence writing checker tool
Free

Enhance your writing with advanced AI-powered grammar, spelling, and punctuation checks. Rephrase sentences for clarity, uniqueness, or formality, and access vocabulary suggestions. This tool ensures flawless communication across emails, social media, and texts.

Grammar and spelling checkerPunctuation correctionVocabulary enhancements and synonyms
📊 Productivity
(560)
free with in-app purchases
20
Grammar Check: Spell Corrector
Grammar Check: Spell Corrector
Grammar Check: Spell Corrector
Fix Grammar & Sentence Checker
Free

This AI-powered tool goes beyond basic spelling and punctuation to correct grammar, enhance clarity, and improve sentence structure. It supports file uploads for large documents and offers unlimited checks with a history tracking feature for easy review.

Comprehensive grammar and tense checksEnhances content clarity and flowFile upload for large documents
📊 Productivity
(389)
free with in-app purchases

FAQ about Grammarly App

What is the best grammarly app for iPhone?
Grammarly: AI Keyboard & Notes tops our grammarly app ranking as of July 2026, with a 4.7-star average from 221K App Store ratings, and it's free to download.
Yes — 20 of the top grammarly app we rank are free to download, including Grammarly: AI Keyboard & Notes and Grammar Check Corrector by AI.
Grammarly: AI Keyboard & Notes has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 210+ grammarly app on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides real-time writing feedback directly within your iPhone and iPad apps. It offers suggestions for spelling, grammar, conciseness, and vocabulary, along with AI-powered text rewrites and tone adjustments.
Key features include an AI keyboard with spelling and grammar checks in multiple languages, vocabulary and clarity recommendations (Premium), tone detection, AI rewrites for entire messages, a document editor with plagiarism detection, and a Safari extension.