Best Grammar App

237+ iOS apps curated and reviewed

4.7 avg rating

20 free apps

Updated July 2026

From beginner-friendly picks to power-user tools, our grammar app list covers 237+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Grammar App

#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

#14in Productivity

Grammarly: AI Keyboard & Notes screenshot 1

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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

#2

LearnEnglish Grammar (UK ed.) by British Council

Fun English grammar activities

Strong Contender

📚 Education

4.7😊(39K ratings)

FreeAdsIn-App Purchases

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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.

What We Love

🚀 Improving grammar a lot
👍 Easy to understand grammar
👍 User friendly
👍 Great practice

Room to Improve

🐛 Glitches in answering questions
🔍 Invisible buttons
🔍 Answers not clickable

#3

English Grammar in Use & Test by Xuan Trung Truong

English Grammar with full test

Worth Considering

📚 Education

4.6(310 ratings)

FreeAds

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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.

More Grammar App apps to explore

100 English Grammar Rules

100 English Grammar Rules

Grammar rules with examples

Vocabulary - Learn words daily

Vocabulary - Learn words daily

Erweitern Sie Ihren Wortschatz

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

free with in-app purchases

You can learn anything

Access a vast library of free educational content, including interactive exercises, videos, and articles. Master subjects from math and science to humanities and finance at your own pace, with offline access and personalized learning paths.

Thousands of interactive exercises, videos, and articlesStudy math, science, economics, finance, grammar, history, and morePractice exercises with instant feedback and hints

CorrectMe Grammar AI Keyboard

CorrectMe Grammar AI Keyboard

Spelling check and paraphrase

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

free with in-app purchases

Johnny Grammar Word Challenge

Johnny Grammar Word Challenge

Learn English in 60 seconds

Test your English spelling, vocabulary, and grammar in a fast-paced 60-second quiz. Choose from three difficulty levels and categories, and compete globally. Earn badges and learn from feedback on incorrect answers.

60-second timed quizzes3 difficulty levels3 categories (Words, Grammar, Spelling)

free with in-app purchases

Elevate - Brain Training Games

Elevate - Brain Training Games

Vocab, Memory, & Math Puzzles

Enhance cognitive abilities like focus, memory, and math skills with a personalized daily training program. Improve productivity, earning power, and self-confidence through engaging brain games designed by experts.

40+ brain training gamesPerformance trackingPersonalized workouts

English Grammar Flashcards

English Grammar Flashcards

Master English grammar with expertly crafted flashcards. Improve writing, speaking, and prepare for tests with clear explanations and progress tracking. Access free resources and sync your learning across devices.

Expert-crafted grammar flashcardsExplanations of essential conceptsDecks for different grammar tests

Proofreader AI Grammar Checker

Proofreader AI Grammar Checker

Correct spelling, rewrite tool

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

English Grammar - Book

English Grammar - Book

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

free with in-app purchases

Grammar Check Corrector by AI

Grammar Check Corrector by AI

AI Keyboard, Rewrite & Spell

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.

AI Keyboard IntegrationReal-time Grammar & Spell CheckerParaphrase & Tone Adjustment

📊 Productivity

free with in-app purchases

Grammar: Sentence Diagrammer

Grammar: Sentence Diagrammer

Spelling Check & Corrector

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

Learn English Grammar Checker

Learn English Grammar Checker

Useful English Grammar Checker

Assess your English grammar proficiency with comprehensive tests and targeted lessons. Identify areas for improvement and reinforce learning with practice exercises. Track your progress and revisit past tests to master English grammar rules.

Comprehensive grammar testsExpert-prepared grammar lessonsTargeted grammar exercises

free with in-app purchases

Avoid the most common mistakes

$2.99 | 100% OFF

Learn to avoid the 10 most common grammar mistakes quickly. Improve your writing and ensure your ideas are clearly understood. Master essential grammar in just minutes per topic.

Learn 10 common grammar mistakesImprove clarity of ideasEnhance understanding

English Grammar Test - Phrases

English Grammar Test - Phrases

Practice English Grammar

$4.99 | 100% OFF

Improve your English grammar with a comprehensive practice app. It offers tailored exercises for all skill levels, from beginner to advanced, with over 5000 questions and detailed explanations. Learn and test your knowledge anytime, anywhere, even offline.

4 Skill Levels (A1-C2)Over 5000 Practice QuestionsVaried Question Types

free with in-app purchases

ELSA Speak - English Learning

ELSA Speak - English Learning

Practice Conversations with AI

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

free with in-app purchases

PORO - English Grammar

PORO - English Grammar

Lessons and Tests

Master English grammar with comprehensive lessons, real-life examples, and interactive tests. This app covers over 163 grammar points, offering unique tips to distinguish between similar structures and apply them in practical situations. Improve your writing and speaking skills for exams like TOEIC, IELTS, and TOEFL.

163+ detailed grammar pointsReal-life examplesUnique tips for grammar distinction

free with in-app purchases

Typeright: Grammar Check App

Typeright: Grammar Check App

Writing, Spelling, Punctuation

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

free with in-app purchases

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