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Best Grammarly Pro Apps

250+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated July 2026

With an average user rating of 4.3★, the grammarly pro category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Grammarly Pro Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Grammarly: AI Keyboard & NotesGrammarly: AI Keyboard & NotesFree4.7★ (221K)NoYesAug 2026
2Grammar Check Corrector by AIGrammar Check Corrector by AIFree4.7★ (1.6K)YesYesAug 2026
3CorrectMe Grammar AI KeyboardCorrectMe Grammar AI KeyboardFree4.7★ (12K)YesYesAug 2026
4AI Grammar Checker for EnglishAI Grammar Checker for EnglishFree4.4★ (308)YesYesAug 2026
5LearnEnglish Grammar (UK ed.)LearnEnglish Grammar (UK ed.)Free4.7★ (39K)YesYesAug 2026
6AI Grammar Assistant CheckerAI Grammar Assistant CheckerFree—NoYesAug 2026
7Grammar Check゜Grammar Check゜Free4.6★ (312)NoYesAug 2026
8Rewrite Pro: AI Text EditorRewrite Pro: AI Text Editor$0.994.0★ (2)NoYesJul 2026

Top Picks for Grammarly Pro

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
#10in 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, Translate, 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
CorrectMe Grammar AI Keyboard#3

CorrectMe Grammar AI Keyboard by Teleprompter LLC

Spelling check and paraphrase
Worth Considering
📊 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

More Grammarly Pro apps to explore

4
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
(308)
free with in-app purchases
5
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
6
AI Grammar Assistant Checker
AI Grammar Assistant Checker
AI Grammar Assistant Checker
Grammarkey AI Grammar Fixer
Free
📊 Productivity
(0)
7
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
8
Rewrite Pro: AI Text Editor
Rewrite Pro: AI Text Editor
Rewrite Pro: AI Text Editor
writing tools powered by GPT
$0.99

Enhance your writing with AI-powered tools. Create, edit, and optimize text for clarity, tone, and length. Offers features like summarization, translation, and idea generation.

AI-powered text creation and editingInline editing with previewText summarization and expansion
📊 Productivity
(2)
paid
9
Cambridge English Grammar
Cambridge English Grammar
Cambridge English Grammar
English Grammar Test Exercises
Free

Master English grammar with comprehensive lessons, interactive exercises, and competitive tests. Assess your level, practice key components, and compete with others to improve your language skills.

Expansive grammar topicsInteractive exercisesComprehensive tests
📚 Education
(18)
free with in-app purchases
10
GrammarBot: write like a pro
GrammarBot: write like a pro
GrammarBot: write like a pro
Grammar checker & translation
Free

Enhance your writing with an AI assistant that checks grammar, rewrites messages, and transforms your style. Supports multiple languages and offers translation. Perfect for improving clarity and impact in your written communication.

AI-powered grammar checksMessage rewritingStyle transformation
📊 Productivity
(2)
ad-supported
11
Grammar Checker: Learn with AI
Grammar Checker: Learn with AI
Grammar Checker: Learn with AI
AI Grammar Checker & Corrector
Free
📚 Education
(0)
12
English Grammar Checker
English Grammar Checker
English Grammar Checker
AI Grammar, Grammarly
Free
📚 Education
(0)
13
Grammar Check Ai
Grammar Check Ai
Grammar Check Ai
English Grammar Checker
Free

Improve your writing with this AI-powered tool that checks for spelling and grammatical errors. Easily correct mistakes in emails, texts, and documents by typing, pasting, or uploading files. Save corrected versions and access past checks.

AI-powered grammar and spelling correctionSupports text input, copy-paste, and file uploads (.txt, .pdf, .doc)Step-by-step error identification and suggestion
📚 Education
(9)
free with in-app purchases
14
English Grammar Test - Phrases
English Grammar Test - Phrases
English Grammar Test - Phrases
Practice English Grammar
Free
$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
📚 Education
(58)
free with in-app purchases
15
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
16
Grammar Fix
Grammar Fix
Grammar Fix
Avoid the most common mistakes
Free
$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
📚 Education
(1.8K)
free
17
GrammarTrack: English Grammar
GrammarTrack: English Grammar
GrammarTrack: English Grammar
Learn English Grammar & Words
Free
📚 Education
(0)
18
MyGrammar
MyGrammar
MyGrammar
Check grammar at simplest way.
Free
📊 Productivity
(0)
19
AI - Grammar Checker
AI - Grammar Checker
AI - Grammar Checker
English Grammar Checker
Free
📚 Education
(0)
20
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

FAQ about Grammarly Pro

What are the best grammarly pro apps for iPhone?
Grammarly: AI Keyboard & Notes tops our grammarly pro apps ranking as of July 2026, with a 4.7-star average from 221K App Store ratings, and it's free to download.
Yes — 19 of the top grammarly pro apps we rank are free to download, including Grammarly: AI Keyboard & Notes and Grammar Check Corrector by AI.
Grammarly: AI Keyboard & Notes has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 250+ grammarly pro apps on the iOS App Store as of July 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.