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Best Grammarly AI Apps

235+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated July 2026

If you already know Grammarly, this is the deeper bench. 235+ grammarly ai apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.

Compare top Grammarly AI Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Grammarly: AI Keyboard & NotesGrammarly: AI Keyboard & NotesFree4.7★ (218K)YesYesJul 2026
2ChatGPTChatGPTFree4.8★ (8.7M)YesYesJul 2026
3CorrectMe Grammar AI KeyboardCorrectMe Grammar AI KeyboardFree4.7★ (12K)YesYesJul 2026
4Grammar Check Corrector by AIGrammar Check Corrector by AIFree4.7★ (1.6K)YesYesJul 2026
5Chat AI - Ask AnythingChat AI - Ask AnythingFree4.8★ (126K)YesYesJul 2026
6Manus AI (마누스) - 범용 AI 에이전트Manus AI (마누스) - 범용 AI 에이전트Free4.7★ (35K)NoYesJul 2026
7Google GeminiGoogle GeminiFree4.7★ (2M)YesYesJul 2026
8TypeAI: AI Keyboard & WriterTypeAI: AI Keyboard & WriterFree4.7★ (19K)NoYesJul 2026

Top Picks for Grammarly AI

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
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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
ChatGPT#2

ChatGPT by OpenAI OpCo, LLC

The official app by OpenAI
Strong Contender
📊 Productivity
4.8😊(8.7M ratings)
FreeAdsIn-App Purchases
#1in Productivity
ChatGPT screenshot 1
ChatGPT screenshot 2
ChatGPT screenshot 3
ChatGPT screenshot 4
ChatGPT screenshot 5
ChatGPT screenshot 6

This app provides access to advanced AI capabilities, including text generation, image creation from descriptions, and voice conversations. It offers personalized advice, creative inspiration, and instant answers for various tasks, syncing history across devices.

What We Love

  • 🚀 Powerful and versatile AI assistant
  • 👍 Intuitive and user-friendly interface
  • 🤖 Impressive conversational abilities
  • 💡 Convenient mobile access to ChatGPT

Room to Improve

  • 🐛 Occasional inaccuracies or inconsistencies in responses
  • 🔖 Limited to pre-2021 data, lacking real-time updates
  • 🔒 Concerns about privacy and data usage
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 AI apps to explore

4
Grammar Check Corrector by AI
Grammar Check Corrector by AI
Grammar Check Corrector by AI
AI Keyboard, Rewrite & Spell
Free

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
(1.6K)
free with in-app purchases
5
Chat AI - Ask Anything
Chat AI - Ask Anything
Chat AI - Ask Anything
AI Chatbot & Essay Writer Bot
Free

Engage in intelligent conversations with an advanced AI chatbot. This app offers personalized responses on a wide range of topics and can assist with writing tasks like essays and emails. Its AI continuously learns for more natural interactions.

Intelligent conversationsPersonalized responsesEssay and content writing
📊 Productivity
(126K)
free with in-app purchases
6
Manus AI (마누스) - 범용 AI 에이전트
Manus AI (마누스) - 범용 AI 에이전트
Manus AI (마누스) - 범용 AI 에이전트
PPT·데이터 분석·리서치를 AI가 자동 완성
Free

This AI agent bridges thought and action by autonomously planning, researching, and delivering finished products on a virtual computer. It handles complex tasks like data analysis, slide deck generation, and media creation, working asynchronously in the cloud and notifying you upon completion.

Autonomous task planning and executionAdvanced data analysis and reportingBoardroom-quality slide deck generation
📊 Productivity
(35K)
free with in-app purchases
7
Google Gemini
Google Gemini
Google Gemini
Your AI assistant from Google
Free

This AI assistant helps you brainstorm, create content, and simplify complex topics. It integrates with your Google apps to provide personalized assistance, plan trips, and study smarter. Upgrade for advanced features like video generation and deeper research capabilities.

Unlimited prompting with Gemini 3 FlashLive interaction via camera/screen sharingContent creation (mockups, posters, diagrams)
📊 Productivity
(2M)
free with in-app purchases
8
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
9
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Study, Writing, Research Agent
Free

This AI assistant offers advanced capabilities for writing, research, and image generation. It leverages multiple powerful AI models to provide deep insights, create content, and simplify tasks. Ideal for students, professionals, and creatives seeking enhanced productivity.

AI Image GeneratorAI Writing AssistantDeep Research with Sources
📊 Productivity
(167K)
free with in-app purchases
10
AI Chatbot - Nova
AI Chatbot - Nova
AI Chatbot - Nova
Ask smart chatbot & Al writer
Free

This AI chatbot and writer leverages advanced GPT and Gemini models to provide human-like conversations, creative writing assistance, and meticulous proofreading. It offers unlimited interactions, multi-language support, and cross-device compatibility for a versatile user experience.

Advanced AI models (GPT-5.2, GPT-4o, Gemini, Claude)Human-like conversational AIAI writing assistant for various content
📊 Productivity
(123K)
free with in-app purchases
11
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
12
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
13
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
14
Anime Art - AI Art Generator
Anime Art - AI Art Generator
Anime Art - AI Art Generator
ai art, anime avatar, drawing
Free

Transform your text prompts into unique AI-generated art using various diffusion models. Explore different art styles, engage in AI chat with trained characters, and regenerate images based on existing pictures. Save your creations in a personal gallery.

Text-to-image AI art generationMultiple AI art models (stable, fantasy, anime)AI chat with trained characters
🎨 Graphics & Design
(17K)
free with in-app purchases
15
Question.AI-Math Calculator
Question.AI-Math Calculator
Question.AI-Math Calculator
Scan&Solve All Subject Problem
Free

This AI chatbot app provides instant answers to your questions, acts as a personal assistant for research, translates over 140 languages, and offers intelligent writing suggestions. It's designed to simplify information gathering and enhance communication for students, professionals, and anyone seeking knowledge.

Instant AI-powered answersPersonalized research assistant140+ language translation
📚 Education
(159K)
free with in-app purchases
16
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
17
ChatOn AI - Chat Bot Assistant
ChatOn AI - Chat Bot Assistant
ChatOn AI - Chat Bot Assistant
One Chatbot–Multiple Al Tools
Free

This AI assistant leverages advanced language models to help with writing, image transformation, document analysis, and web research. It offers over 100 prompts and integrates with your keyboard for seamless use across apps. Transform photos, summarize documents, and generate social media content with ease.

AI Chatbot & Virtual AssistantAI Writing AssistantPic Transformer (AI Photo Editing)
📊 Productivity
(279K)
free with in-app purchases
18
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
19
Writely - AI Keyboard & Writer
Writely - AI Keyboard & Writer
Writely - AI Keyboard & Writer
Grammar Check & Paraphrase App
Free

Enhance your writing with an AI-powered keyboard that offers grammar checking, paraphrasing, and sentence completion. It can also transform text into poems and suggest emojis, making communication smoother and more creative.

AI writing assistantGrammar and spelling checkMessage paraphrasing
📊 Productivity
(1.6K)
free with in-app purchases
20
Genspark AI Workspace
Genspark AI Workspace
Genspark AI Workspace
Autopilot Your Busywork
Free

This AI-powered workspace automates various tasks, from research and content generation to coding and presentation creation. It offers tools for drafting documents, building websites, transcribing meetings, and generating images, videos, and audio with simple prompts.

AI-powered research and information gatheringAutomated image, video, and audio generationAI-assisted presentation and document drafting
📊 Productivity
(3.6K)
free with in-app purchases

FAQ about Grammarly AI

What are the best grammarly ai apps for iPhone?
Grammarly: AI Keyboard & Notes tops our grammarly ai 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 ai apps we rank are free to download, including Grammarly: AI Keyboard & Notes and ChatGPT.
Grammarly: AI Keyboard & Notes shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 235+ grammarly ai 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.

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