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Best Free Grammerly App

250+ iOS apps & games curated and reviewed

4.7 avg rating
20 free apps & games
Updated August 2026

With an average user rating of 4.7★, the free grammerly app category is one of the App Store's strongest. Browse all 250+ apps and games we track, sorted so the most loved ones surface first.

Compare top Free Grammerly App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Grammarly: AI Keyboard & NotesGrammarly: AI Keyboard & NotesFree4.7★ (221K)NoYesAug 2026
2CorrectMe Grammar AI KeyboardCorrectMe Grammar AI KeyboardFree4.7★ (12K)YesYesAug 2026
3Grammar Check Corrector by AIGrammar Check Corrector by AIFree4.7★ (1.6K)YesYesAug 2026
4AI Grammar Corrector KeyboardAI Grammar Corrector KeyboardFree4.7★ (2.3K)NoYesAug 2026
5Grammar: Sentence DiagrammerGrammar: Sentence DiagrammerFree4.4★ (1K)YesYesAug 2026
6English Grammar in Use & TestEnglish Grammar in Use & TestFree4.6★ (332)YesNoAug 2026
7Vocabulary Builder by MagooshVocabulary Builder by MagooshFree4.7★ (7K)NoNoAug 2026
8Grammar Check゜Grammar Check゜Free4.6★ (312)NoYesAug 2026

Top Picks for Free Grammerly 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
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

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.

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 Co., Ltd

AI Keyboard, Translate, Spell
Worth Considering
📊 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

More Free Grammerly App apps to explore

4
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
5
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
6
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
(332)
ad-supported
7
Vocabulary Builder by Magoosh
Vocabulary Builder by Magoosh
Vocabulary Builder by Magoosh
by Magoosh
Free

Master essential vocabulary with this engaging word game. Daily quizzes cover 1200 important words with definitions and examples, progressing from basic to advanced levels. Track your learning and unlock new challenges.

1200 expert-selected vocabulary wordsDefinitions and example sentencesBasic, Intermediate, and Advanced levels
🎮 Games
(7K)
free
8
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
9
LearnEnglish Grammar (UK ed.)
LearnEnglish Grammar (UK ed.)
LearnEnglish Grammar (UK ed.)
Fun English grammar activities
Free

Improve your English grammar with thousands of practice questions and activities. Covers all levels from beginner to advanced, with various question types and grammar topics. Track your progress and test your knowledge.

1000s of practice questionsBeginner to Advanced levels (CEFR A1-C2)Over 600 activities per level
📚 Education
(39K)
free with in-app purchases
10
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
11
Speak English App
Speak English App
Speak English App
Daily English lessons
Free
📚 Education
(0)
12
Grammar+: English Learning App
Grammar+: English Learning App
Grammar+: English Learning App
Basic English Grammar Rules
Free

Learn and practice English grammar with explanations, example sentences, and quizzes. This app covers over 25 grammar topics and includes more than 500 test questions, ideal for ESL students and exam preparation.

Grammar explanationsExample sentencesPractice tests
📚 Education
(25)
free
13
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
14
Rememba app
Rememba app
Rememba app
Vocabulary training
Free

This app helps you build vocabulary using spaced repetition. You can learn any language by adding your own words, phrases, or sentences, or by using built-in dictionaries. It focuses solely on vocabulary expansion, not grammar rules.

Spaced repetition learningCustomizable training intervalsSupports 256 languages
📊 Productivity
(32)
free with in-app purchases
15
51Talk: Learn & Speak English
51Talk: Learn & Speak English
51Talk: Learn & Speak English
Live 1-on-1 Foreign Tutors
Free

This app offers one-on-one online English lessons with over 20,000 professional tutors. Enjoy 24/7 learning, practice comprehensive skills, and benefit from lesson replays. New users receive a free trial lesson and an assessment report.

1-on-1 online English lessons20,000+ professional tutors24/7 learning availability
📚 Education
(1.1K)
free with in-app purchases
16
Träning: Grammar Practice
Träning: Grammar Practice
Träning: Grammar Practice
Unlimited Drills A1–B2
Free
📚 Education
(0)
17
English - Parts of Speech
English - Parts of Speech
English - Parts of Speech
800 questions with voice over
Free

Master English grammar with interactive lessons and quizzes on parts of speech. Improve your understanding of nouns, verbs, adjectives, and more through structured learning and practice tests. Track your progress with detailed results and visual feedback.

Interactive lessons on parts of speechOver 130 pages of grammar rules and examplesTopic-based study modules
📚 Education
(108)
free with in-app purchases
18
Lexik App
Lexik App
Lexik App
Alemán de forma visual
Free

Learn German grammar through a unique visual color system that makes abstract rules easy to understand and apply. Smart notifications encourage daily practice and thinking in German, adapting to your learning pace for clear and focused progress.

Innovative color system for visual grammarSmart notifications for daily practiceClear explanations and interactive exercises
📚 Education
(0)
free with in-app purchases
19
English Grammar - Book
English Grammar - Book
English Grammar - Book
by Steve Kim
Free

This app provides a comprehensive English grammar guide with simple explanations and numerous examples. It offers structured lessons by level or topic, along with interactive quizzes to reinforce learning. Improve your writing and speaking skills with this free educational tool.

138 grammar pointsSimple explanationsMany examples
📚 Education
(452)
free with in-app purchases
20
English with Tiffani
English with Tiffani
English with Tiffani
Speak English With Tiffani
Free

Master English with interactive lessons and gamified challenges. Improve fluency, pronunciation, and vocabulary through short, engaging sessions and video content from an experienced teacher. Track your progress and compete globally to build confidence in speaking.

Interactive and gamified learningQuick, bite-sized lessonsThousands of practice exercises
📚 Education
(2.6K)
free with in-app purchases

FAQ about Free Grammerly App

What is the best free grammerly app for iPhone?
Grammarly: AI Keyboard & Notes tops our free grammerly app ranking as of August 2026, with a 4.7-star average from 221K App Store ratings, and it's free to download.
Grammarly: AI Keyboard & Notes has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ free grammerly app 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.