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Best Grammerly App

228+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated July 2026

Out of 228+ grammerly app on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Grammerly App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Grammarly: AI Keyboard & NotesGrammarly: AI Keyboard & NotesFree4.7★ (218K)YesYesJul 2026
2Grammar Check Corrector by AIGrammar Check Corrector by AIFree4.7★ (1.6K)YesYesJul 2026
3ChatGPTChatGPTFree4.8★ (8.8M)YesYesJul 2026
4CorrectMe Grammar AI KeyboardCorrectMe Grammar AI KeyboardFree4.7★ (12K)YesYesJul 2026
5AI Grammar Corrector KeyboardAI Grammar Corrector KeyboardFree4.7★ (2.2K)NoYesJul 2026
6Claude by AnthropicClaude by AnthropicFree4.7★ (203K)NoYesJul 2026
7AI Grammar Check,Spell CheckerAI Grammar Check,Spell CheckerFree4.1★ (16)NoYesJul 2026
8Vocabulary - Learn words dailyVocabulary - Learn words dailyFree4.8★ (209K)YesYesJul 2026

Top Picks for Grammerly App

Grammarly: AI Keyboard & Notes#1

Grammarly: AI Keyboard & Notes by Superhuman Platform Inc

Chats, emails, work and study
Editor's Choice
📊 Productivity
4.7😊(218K 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

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 COMPANY LIMITED

AI Keyboard, Rewrite & 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😊(8.8M 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 Grammerly 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
Spell check, word correction
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
(2.2K)
subscription
6
Claude by Anthropic
Claude by Anthropic
Claude by Anthropic
당신과 함께 생각하는 AI
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
(203K)
free with in-app purchases
7
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
8
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Word of the day widget & games
Free

Expand your vocabulary with daily word learning and engaging games. This app offers customizable learning paths and difficulty levels to suit your English proficiency. Make vocabulary acquisition a fun and effective part of your routine.

Learn new words dailyCustomizable difficulty levelsSelect vocabulary categories
📚 Education
(209K)
free with in-app purchases
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
Romantic AI Girlfriend Chat
Romantic AI Girlfriend Chat
Romantic AI Girlfriend Chat
GF Anime Companion Girl Bot
Free

Engage in dynamic conversations with an AI companion designed for emotional support and playful interaction. Choose or create your ideal partner for drama-free connection, available 24/7. Explore romantic or flirty modes to deepen your bond.

Create or choose AI companionRomantic and playful conversation modesEmotional support and understanding
🎬 Entertainment
(1.9K)
free with in-app purchases
11
Grammar Check - AI Writing App
Grammar Check - AI Writing App
Grammar Check - AI Writing App
AI assistant for work & study
Free

Enhance your writing with a robust AI assistant that offers detailed grammar analysis across multiple languages. Improve your text for work and study with this powerful tool.

Detailed grammar analysisMulti-language supportWriting improvement tool
🔧 Utilities
(14)
ad-supported
12
Proofreader AI Grammar Checker
Proofreader AI Grammar Checker
Proofreader AI Grammar Checker
Correct spelling, rewrite tool
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: 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
14
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
(853)
free with in-app purchases
15
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
(6.5K)
free with in-app purchases
16
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
(307)
free with in-app purchases
17
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
18
LAMP Words For Life
LAMP Words For Life
LAMP Words For Life
Motor Learning-Based AAC
$299.99

This communication app uses motor learning principles to help individuals with autism and developmental disabilities develop language skills. It offers pre-stored and customizable vocabulary with a consistent motor pattern for each word, supporting users from beginner to advanced communicators.

Motor learning-based language acquisitionMinspeak and Unity language systemsPre-stored and customizable vocabulary
📚 Education
(94)
free with in-app purchases
19
Quillbot-AI Writing & Keyboard
Quillbot-AI Writing & Keyboard
Quillbot-AI Writing & Keyboard
Paraphrasing & AI Detector 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
(2.8K)
freemium
20
Grammarize
Grammarize
Grammarize
English Grammar
Free
$14.99 | 100% OFF

Master English grammar with this app, offering interactive lessons on irregular verbs and phrasal verbs. Earn rewards for progress and track your performance with detailed statistics. Study offline and sync your progress across devices.

Irregular verb study with pronunciationPhrasal verb lessonsInstant translation
📚 Education
(35)
free with in-app purchases

FAQ about Grammerly App

What is the best grammerly app for iPhone?
Grammarly: AI Keyboard & Notes tops our grammerly app ranking as of July 2026, with a 4.7-star average from 218K App Store ratings, and it's free to download.
Yes — 19 of the top grammerly app we rank are free to download, including Grammarly: AI Keyboard & Notes and Grammar Check Corrector by AI.
Grammarly: AI Keyboard & Notes shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 228+ grammerly 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.

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free grammerly appgrammarly app