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Best Grammarly Apps

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our grammarly list covers 250+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top Grammarly Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Grammarly: AI Keyboard & VoiceGrammarly: AI Keyboard & VoiceFree4.7★ (221K)NoYesAug 2026
2Grammar Check Corrector & AIGrammar Check Corrector & AIFree4.7★ (1.6K)YesYesAug 2026
3ChatGPTChatGPTFree4.8★ (9.5M)YesYesAug 2026
4CorrectMe Grammar AI KeyboardCorrectMe Grammar AI KeyboardFree4.7★ (12K)YesYesAug 2026
5TypeAI: AI Keyboard & WriterTypeAI: AI Keyboard & WriterFree4.7★ (19K)NoYesAug 2026
6Grammar: Sentence DiagrammerGrammar: Sentence DiagrammerFree4.4★ (1K)YesYesAug 2026
7Quillbot-AI Writing & KeyboardQuillbot-AI Writing & KeyboardFree4.7★ (2.9K)NoYesAug 2026
8Grammar Checker & AI KeyboardGrammar Checker & AI KeyboardFree4.7★ (2.3K)NoYesAug 2026

Top Picks for Grammarly

Grammarly: AI Keyboard & Voice#1

Grammarly: AI Keyboard & Voice by Superhuman Platform Inc

Write, dictate, edit, improve
Editor's Choice
📊 Productivity
4.7😊(221K ratings)
FreeIn-App Purchases
#11in Productivity
Grammarly: AI Keyboard & Voice screenshot 1
Grammarly: AI Keyboard & Voice screenshot 2
Grammarly: AI Keyboard & Voice screenshot 3
Grammarly: AI Keyboard & Voice screenshot 4
Grammarly: AI Keyboard & Voice screenshot 5
Grammarly: AI Keyboard & Voice 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 & AI#2

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

AI Keyboard, Translate, Spell
Strong Contender
📊 Productivity
4.7😊(1.6K ratings)
FreeAdsIn-App Purchases
Grammar Check Corrector & AI screenshot 1
Grammar Check Corrector & AI screenshot 2
Grammar Check Corrector & AI screenshot 3
Grammar Check Corrector & AI screenshot 4
Grammar Check Corrector & AI screenshot 5
Grammar Check Corrector & 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😊(9.5M 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 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
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
6
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
7
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
8
Grammar Checker & AI Keyboard
Grammar Checker & AI Keyboard
Grammar Checker & AI Keyboard
Plagiarism & Text Humanizer
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
9
Humanize AI Text Undetectable
Humanize AI Text Undetectable
Humanize AI Text Undetectable
AI Detector, Humanizer Rewrite
Free

This AI-powered writing tool helps you detect AI-generated text, transform robotic language into natural human writing, and rewrite content for clarity and originality. It offers a user-friendly interface for creators, students, and professionals to enhance their text.

AI text detectionHumanize AI textRewrite text for clarity
📊 Productivity
(1)
free with in-app purchases
10
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
11
Concise: Hemingway Editor
Concise: Hemingway Editor
Concise: Hemingway Editor
Private Readability Checks
Free

Enhance your writing with private, on-device analysis. Get instant feedback on readability, sentence structure, passive voice, and word choice to create clearer, sharper text.

On-device writing analysisReadability grade and reading timeDetection of hard sentences and passive voice
📊 Productivity
(1)
free with in-app purchases
12
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
13
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
(402)
free with in-app purchases
14
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
15
Grammar Checker: AI Corrector
Grammar Checker: AI Corrector
Grammar Checker: AI Corrector
AI English check correction
Free
📚 Education
(0)
16
KeycoBoard: AI Rewrite Console
KeycoBoard: AI Rewrite Console
KeycoBoard: AI Rewrite Console
Rewrite & Translate in Any App
Free

This AI-powered keyboard extension allows you to instantly rewrite and translate text within any app. Control length, depth, tone, emotion, and emoji density with intuitive sliders. Offers seamless integration and supports multiple languages.

AI-powered text rewritingInstant in-app translationAdjustable length, depth, tone, emotion, and emoji density
📊 Productivity
(2)
freemium
17
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
(976)
free with in-app purchases
18
Grammar Check Corrector by AI!
Grammar Check Corrector by AI!
Grammar Check Corrector by AI!
Paraphrase Spell Check Rewrite
Free

Enhance your writing with AI-powered tools for grammar checking, text summarization, paraphrasing, and content generation. Improve clarity, save time, and organize your text-related tasks with a simple and efficient interface.

AI grammar checkingText summarizationParaphrase tool
📊 Productivity
(1)
freemium
19
AI Grammar Assistant Checker
AI Grammar Assistant Checker
AI Grammar Assistant Checker
Grammarkey AI Grammar Fixer
Free
📊 Productivity
(0)
20
Scan Input Keyboard
Scan Input Keyboard
Scan Input Keyboard
Barcode Scanner Keyboard
Free

This keyboard app allows you to scan barcodes and QR codes directly into any application on your iPhone. Eliminate the need for manual entry or external scanners by integrating scanning capabilities into your workflow.

Scan barcodes and QR codesDirect input into any appNo copy-paste needed
🔧 Utilities
(2)
freemium

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FAQ about Grammarly

What are the best grammarly apps for iPhone?
Grammarly: AI Keyboard & Voice tops our grammarly apps ranking as of August 2026, with a 4.7-star average from 221K App Store ratings, and it's free to download.
Yes — 20 of the top grammarly apps we rank are free to download, including Grammarly: AI Keyboard & Voice and Grammar Check Corrector & AI.
Grammarly: AI Keyboard & Voice has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ grammarly apps on the iOS App Store as of August 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.

Related searches

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