Best Free Grammar App Correction

241+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated November 2026

If you already know Grammar, this is the deeper bench. 241+ free grammar app correction for iPhone, all reviewed and ranked by user rating, recency, and download trend as of November 2026.

Compare top Free Grammar App Correction (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Grammar: Sentence DiagrammerGrammar: Sentence DiagrammerFree4.4★ (1.1K)YesYesNov 2026
2LearnEnglish Grammar (UK ed.)LearnEnglish Grammar (UK ed.)Free4.7★ (40K)YesYesNov 2026
3CorrectMe Grammar AI KeyboardCorrectMe Grammar AI KeyboardFree4.7★ (13K)YesYesNov 2026
4Sentence CorrectorSentence CorrectorFree4.8★ (43)NoYesOct 2026
5Grammar Check゜Grammar Check゜Free4.7★ (356)NoYesOct 2026
6AI English CorrectionAI English CorrectionFree5.0★ (1)NoYesJun 2026
7Ai grammar checker ゜Ai grammar checker ゜Free4.5★ (28)NoYesNov 2026
8Grammar - Write Better with AIGrammar - Write Better with AIFree4.4★ (19)NoYesNov 2026

Top Picks for Free Grammar App Correction

Grammar: Sentence Diagrammer#1
4.4😊(1.1K ratings)
FreeAdsIn-App Purchases
Grammar: Sentence Diagrammer screenshot 1
Grammar: Sentence Diagrammer screenshot 2
Grammar: Sentence Diagrammer screenshot 3
Grammar: Sentence Diagrammer screenshot 4
Grammar: Sentence Diagrammer screenshot 5
Grammar: Sentence Diagrammer screenshot 6

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.

What We Love

  • 👍 Easy to use
  • 🚀 Helpful for writing and grammar
  • 💡 Provides useful suggestions
  • 🚀 Accurate grammar and spelling corrections
  • 👍 Intuitive app interface

Room to Improve

  • 🐛 Occasional glitches and bugs
  • 🤔 Limited functionality compared to expectations
  • 💬 Annoying pop-ups asking for reviews
  • 🤔 Inconsistent performance in detecting errors
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
CorrectMe Grammar AI Keyboard#3

CorrectMe Grammar AI Keyboard by Teleprompter LLC

Spelling check and paraphrase
Worth Considering
📊 Productivity
4.7😞(13K 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
  • 📝 Limited text input length

More Free Grammar App Correction apps to explore

FAQ about Free Grammar App Correction

What is the best free grammar app correction for iPhone?
Grammar: Sentence Diagrammer tops our free grammar app correction ranking as of November 2026, with a 4.4-star average from 1.1K App Store ratings, and it's free to download.
Grammar: Sentence Diagrammer shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 241+ free grammar app correction on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.