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Best Grammarly Pro Apps

216+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

With an average user rating of 4.6★, the grammarly pro category is one of the App Store's strongest. Browse all 216+ 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★ (218K)YesYesJul 2026
2Grammar Check Corrector by AIGrammar Check Corrector by AIFree4.7★ (1.6K)YesYesJul 2026
3CorrectMe Grammar AI KeyboardCorrectMe Grammar AI KeyboardFree4.7★ (12K)YesYesJul 2026
4AI Grammar Corrector KeyboardAI Grammar Corrector KeyboardFree4.7★ (2.2K)NoYesJul 2026
5TypeAI: AI Keyboard & WriterTypeAI: AI Keyboard & WriterFree4.7★ (19K)NoYesJul 2026
6Quillbot-AI Writing & KeyboardQuillbot-AI Writing & KeyboardFree4.7★ (2.8K)NoYesJul 2026
7English Grammar in Use & TestEnglish Grammar in Use & TestFree4.6★ (310)YesNoJul 2026
8Wordtune: AI Writing KeyboardWordtune: AI Writing KeyboardFree4.4★ (960)YesYesJul 2026

Top Picks for Grammarly Pro

Grammarly: AI Keyboard & Notes#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
#11in 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 COMPANY LIMITED

AI Keyboard, Rewrite & 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 Corrector Keyboard
AI Grammar Corrector Keyboard
AI Grammar Corrector Keyboard
Spell check, word correction
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
(2.2K)
subscription
5
TypeAI: AI Keyboard & Writer
TypeAI: AI Keyboard & Writer
TypeAI: AI Keyboard & Writer
Translate, Grammar Spell Check
Free

Enhance your mobile writing with an AI-powered keyboard. Get real-time grammar checks, word suggestions, translations, and AI chatbot assistance for any app. Improve your communication and express yourself clearly and effectively.

AI ChatbotEmail Writing AssistanceGrammar & Spelling Check (7 languages)
📊 Productivity
(19K)
free with in-app purchases
6
Quillbot-AI Writing & Keyboard
Quillbot-AI Writing & Keyboard
Quillbot-AI Writing & Keyboard
Paraphrasing & AI Detector App
Free

Enhance your writing with an AI-powered assistant that offers paraphrasing, grammar correction, and translation. Generate ideas, detect AI-written content, and create images directly from your device. Improve communication and overcome writer's block with this versatile tool.

AI ParaphraserGenerative AI writingGrammar Checker
📊 Productivity
(2.8K)
freemium
7
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
(310)
ad-supported
8
Wordtune: AI Writing Keyboard
Wordtune: AI Writing Keyboard
Wordtune: AI Writing Keyboard
AI Writing App & Paraphrasing
Free

This AI-powered writing assistant helps you express yourself more clearly and authentically. It offers suggestions to rephrase text, generate new content, and adjust the tone and length of your writing. It works across multiple platforms, making it a versatile tool for various communication needs.

AI-powered text rewritingGenerate sentences and paragraphsAdjust tone and length
📊 Productivity
(960)
free with in-app purchases
9
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
10
Proofreader AI Grammar Checker
Proofreader AI Grammar Checker
Proofreader AI Grammar Checker
Correct spelling, rewrite tool
Free

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
(3.3K)
freemium
11
Microsoft SwiftKey AI Keyboard
Microsoft SwiftKey AI Keyboard
Microsoft SwiftKey AI Keyboard
Copilot | GPT-4 | DALL·E 3
Free

This intelligent keyboard learns your writing style to provide accurate autocorrect and helpful predictions. It offers customizable themes and quick access to emojis and GIFs, allowing you to communicate faster and more efficiently.

Learns writing styleAccurate autocorrectHelpful predictions
🔧 Utilities
(121K)
free with in-app purchases
12
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
13
AI Grammar Check & Spell Check
AI Grammar Check & Spell Check
AI Grammar Check & Spell Check
Spelling & Punctuation Checker
Free

Enhance your writing with this app that corrects sentences, improves text style, and expands vocabulary. Learn from detailed explanations of grammar and spelling corrections to boost your confidence and master English.

Sentence correctionText style improvementVocabulary enhancement
📚 Education
(118)
free with in-app purchases
14
Fonts: Cool Font Keyboard
Fonts: Cool Font Keyboard
Fonts: Cool Font Keyboard
NEW Text Font, Emoji & Symbols
Free

Transform your text with a vast library of unique font styles, emojis, and symbols. Make your messages visually engaging across all platforms, from casual chats to professional correspondence. Express yourself with over 70 distinct font options, including swipe-typing convenience.

Extensive font libraryUnique text stylesEmoji and symbol integration
🔧 Utilities
(1.7K)
subscription
15
LANG: Learn New Languages
LANG: Learn New Languages
LANG: Learn New Languages
Learn English & Spanish
Free

Master English or Spanish with interactive lessons that cover speaking, reading, listening, and writing. Developed by language experts, this app uses a proven methodology for effective memorization and real-life communication skills.

Interactive lessonsSpeaking practiceReading practice
📚 Education
(12K)
free with in-app purchases
16
ParagraphAI: Writer & Keyboard
ParagraphAI: Writer & Keyboard
ParagraphAI: Writer & Keyboard
AI Writing: Email, Essay, Text
Free

This AI-powered writing tool helps you generate original content, draft emails, and summarize text in over 40 languages. It functions as a keyboard, allowing you to write and edit seamlessly within any app, ensuring clear and confident communication.

AI Text GeneratorAI Email WriterAI Writing Assistant
📊 Productivity
(2.5K)
free with in-app purchases
17
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
18
English Grammar Checker
English Grammar Checker
English Grammar Checker
AI Grammar, Grammarly
Free
📚 Education
(0)
19
Learn English Grammar Checker
Learn English Grammar Checker
Learn English Grammar Checker
Useful English Grammar Checker
Free

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
📚 Education
(597)
free with in-app purchases
20
Learn English Sentence Master
Learn English Sentence Master
Learn English Sentence Master
Fast, Fun Vocabulary Word Game
Free

Learn English grammar, vocabulary, and sentence structure by arranging words into correct sentences. This game offers multiple difficulty levels and modes, including multiplayer, to help users of all ages improve their language skills in an engaging way.

Word ordering to form sentencesMultiple difficulty levelsProverbs and sayings learning
📚 Education
(3K)
free with in-app purchases

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 218K App Store ratings, and it's free to download.
Yes — 20 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 shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 216+ 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.