Best Grammar Rules Apps

243+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated September 2026

If you already know 100 English Grammar Rules, this is the deeper bench. 243+ grammar rules apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Grammar Rules Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1100 English Grammar Rules100 English Grammar RulesFree—NoNoMay 2026
2LearnEnglish Grammar (UK ed.)LearnEnglish Grammar (UK ed.)Free4.7★ (40K)YesYesNov 2026
3Complete English Grammar RulesComplete English Grammar Rules$4.994.6★ (44)NoNoOct 2026
4English Grammar Practice 'English Grammar Practice 'Free4.6★ (20)NoNoNov 2026
5Grammar All in 1Grammar All in 1Free—NoYesNov 2026
6English Grammar - AI PoweredEnglish Grammar - AI PoweredFree—NoNoNov 2026
7English Grammar in Use & TestEnglish Grammar in Use & TestFree4.6★ (357)YesNoNov 2026
8complete english grammarcomplete english grammarFree—NoNoMay 2026

Top Picks for Grammar Rules

LearnEnglish Grammar (UK ed.)#2

LearnEnglish Grammar (UK ed.) by British Council

Fun English grammar activities
Strong Contender
📚 Education
4.7😊(40K ratings)
FreeAdsIn-App Purchases
LearnEnglish Grammar (UK ed.) screenshot 1
LearnEnglish Grammar (UK ed.) screenshot 2
LearnEnglish Grammar (UK ed.) screenshot 3
LearnEnglish Grammar (UK ed.) screenshot 4
LearnEnglish Grammar (UK ed.) screenshot 5

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
  • 👍 Awesome
  • 👍 Helpful
  • 👍 Nice app
  • 👍 Useful tool

Room to Improve

  • 🐛 Glitches in answering questions
  • 🔍 Invisible buttons
  • 🔍 Answers not clickable
  • 📢 Too many ads
  • 📢 Ads blocking menu
  • 🔍 Issues with new version
  • 🔍 Impossible to read instructions
  • 🔍 Unanswered questions
  • 🔍 Reliability problems
4.6(44 ratings)
$4.99
Complete English Grammar Rules screenshot 1
Complete English Grammar Rules screenshot 2
Complete English Grammar Rules screenshot 3
Complete English Grammar Rules screenshot 4

Master English grammar with comprehensive lessons, interactive quizzes, and real-world examples. This app offers all grammar rules in an easy-to-understand format, helping you improve writing and communication skills. It's a complete, offline reference with no in-app purchases required.

More Grammar Rules apps to explore

FAQ about Grammar Rules

Are there free grammar rules apps for iPhone?
Yes — 18 of the top grammar rules apps we rank are free to download, including 100 English Grammar Rules and LearnEnglish Grammar (UK ed.).
100 English Grammar Rules has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 243+ grammar rules apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

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