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Best Grammarly AI Detector Apps

249+ iOS apps curated and reviewed

3.8 avg rating
20 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our grammarly ai detector list covers 249+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Grammarly AI Detector Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Grammarly: AI Keyboard & VoiceGrammarly: AI Keyboard & VoiceFree4.7★ (224K)NoYesSep 2026
2AI Detector & Humanizer AIScanAI Detector & Humanizer AIScanFree4.6★ (547)NoYesSep 2026
3AI Detector & Undetectable AIAI Detector & Undetectable AIFree4.6★ (249)NoYesSep 2026
4AI DetectorsAI DetectorsFree—YesYesSep 2026
5Quillbot-AI Writing & KeyboardQuillbot-AI Writing & KeyboardFree4.7★ (3K)NoYesSep 2026
6Grammar Check Corrector & AIGrammar Check Corrector & AIFree4.7★ (1.7K)YesYesSep 2026
7Copyleaks AI humanize DetectorCopyleaks AI humanize DetectorFree—NoNoMay 2026
8Humify - AI Detector & WriterHumify - AI Detector & WriterFree—NoYesJul 2026

Top Picks for Grammarly AI Detector

Grammarly: AI Keyboard & Voice#1

Grammarly: AI Keyboard & Voice by Superhuman Platform Inc

Write, dictate, edit, improve
Editor's Choice
📊 Productivity
4.7😊(224K ratings)
FreeIn-App Purchases
#11in Productivity
Grammarly: AI Keyboard & Voice screenshot 1
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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
  • 👍 Beneficial for non-native speakers
  • 👍 Seamless integration across devices

Room to Improve

  • 🐛 Buggy keyboard behavior
  • 🐛 Inconsistent performance across platforms
  • 🔒 Privacy concerns with 'full access' requirement
  • 💰 Expensive premium subscription
  • 🤔 Overzealous correction suggestions
AI Detector & Undetectable AI#3

AI Detector & Undetectable AI by Max Apps

BypassGPT,AI Humanizer,GPTzero
Worth Considering
📊 Productivity
4.6(249 ratings)
FreeIn-App Purchases
AI Detector & Undetectable AI screenshot 1
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Easily check any text for AI-generated content with advanced detection technology. This app also offers a one-tap feature to humanize your writing, making it undetectable to AI detectors. Ideal for students, educators, and content creators.

More Grammarly AI Detector apps to explore

FAQ about Grammarly AI Detector

What are the best grammarly ai detector apps for iPhone?
Grammarly: AI Keyboard & Voice tops our grammarly ai detector apps ranking as of September 2026, with a 4.7-star average from 224K App Store ratings, and it's free to download.
Yes — 20 of the top grammarly ai detector apps we rank are free to download, including Grammarly: AI Keyboard & Voice and AI Detector & Humanizer AIScan.
Grammarly: AI Keyboard & Voice has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ grammarly ai detector apps on the iOS App Store as of September 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.