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Best Grammarly App

219+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Grammarly is the household name in grammarly app, but it's far from the only option. We track 219+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Grammarly 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 Co., Ltd

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

The official app by OpenAI
Worth Considering
📊 Productivity
4.8😊(8.5M 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 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
Microsoft Copilot
Microsoft Copilot
Microsoft Copilot
Ask AI: Chat & Voice Assistant
Free

This AI assistant helps with a wide range of tasks, from creative projects and everyday questions to work-related needs. It offers natural conversation, visual analysis, and learning tools, making tasks easier and faster.

AI Chat & Voice AssistantAI Image GenerationVisual Image Analysis
📊 Productivity
(402K)
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
(2.7K)
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
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
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
(307)
free with in-app purchases
12
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
13
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Erweitern Sie Ihren Wortschatz
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
(207K)
free with in-app purchases
14
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
(960)
free with in-app purchases
15
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
16
Plagiarism Checker
Plagiarism Checker
Plagiarism Checker
Duplicate Content Detector
Free

Detect duplicate content with this mobile application. It offers instant, fast, and accurate plagiarism checks for text or images, ensuring your work is original. Ideal for students, writers, and professionals.

Instant Plagiarism CheckingFast and AccurateCheck Plagiarism by Upload Image (OCR)
📚 Education
(1.2K)
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
English Grammar in Use & Test
English Grammar in Use & Test
English Grammar in Use & Test
English Grammar with full test
Free

Improve your English grammar with interactive lessons and tests. This app provides clear explanations for mistakes and helps you identify areas needing more practice. Perfect for intermediate learners to enhance their language skills.

Grammar lessonsEnglish testsMistake explanations
📚 Education
(310)
ad-supported
19
ELSA Speak - English Learning
ELSA Speak - English Learning
ELSA Speak - English Learning
Practice Conversations with AI
Free

This AI-powered English tutor helps you practice conversations, improve pronunciation, and build vocabulary for real-life scenarios like job interviews and presentations. It offers personalized learning paths and instant feedback to boost your speaking confidence.

AI-powered English tutorConversation practicePronunciation training
📚 Education
(111K)
free with in-app purchases
20
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
(558)
free with in-app purchases