--- title: "GPTZero: Twain Humanizer AI - Reviews, Revenue and Downloads in United States | Apple App Store" description: "GPTZero: Twain Humanizer AI helps you understand, review, and refine your content with clear, instant feedback—so your writing feels natural, original, and confident. Whether you’re checking for AI-ge" --- # GPTZero: Twain Humanizer AI — United States > Quill Essay Humanizer & Retext ![GPTZero App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/c6/40/97/c64097da-fc97-9dc0-735a-4190083d048d/AppIcon-1x_U007ephone-0-1-85-220-0.png/434x0w.png) **Developer:** [Najmudin Cahyono](https://apptail.io/developer/najmudin-cahyono-kVTEeb) **Category:** Utilities **Rating:** 5.0/5 (2 ratings) **Price:** Free **Bundle ID:** com.textcheck.aidetector **Store:** Apple App Store **Country:** United States **Version:** 1.0.7 (released 2026-10-09) **Original Release:** 2026-05-21 **Languages:** German, English, French, Italian, Korean, Portuguese, Spanish, Chinese, Turkish **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6758375448) **AppTail Page:** [https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/united-states](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/united-states) ## GPTZero Description GPTZero: Twain Humanizer AI helps you understand, review, and refine your content with clear, instant feedback—so your writing feels natural, original, and confident. Whether you’re checking for AI-generated content, verifying originality, or polishing your tone, JustZero brings everything together in one simple, focused workflow. Key Features: - AI Content Analysis Check your text across multiple AI detection models. - Originality & Plagiarism Check Identify duplicated content and keep your work authentic. - Humanize Text Improve readability for a natural, human-like tone. - Essay & Content Generator Create structured essays or articles with ease. - AI Audio Detection Analyze audio files for signs of AI-generated speech. - Easy Input & History Paste or upload content and review past checks anytime. Quick to start and easy to use, GPTZero: Twain Humanizer AI is designed for everyday writing needs—helping you analyze content clearly and improve it with confidence, every step of the way. We offer multiple subscription options for you: -$4.99/week -$9.99/month -$49.99/year • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: Terms of Use: ## GPTZero Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b0/e6/00/b0e600f6-e801-c355-c152-fc813cd08086/20260203-102637.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c5/a6/ba/c5a6ba9f-8973-cd6b-8cfb-41450f29f8f8/20260203-102646.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/41/8b/2f/418b2f34-b663-5efa-905f-9bf456233d50/20260203-102651.png/1242x2688.png) ## GPTZero Rating Breakdown in United States - 5 stars: 2 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## GPTZero In-App Purchases | Item | Price | |------|-------| | TextCheck Plans Monthly | $9.99 | | TextCheck Plans Weekly | $4.99 | | TextCheck Plans Yearly | $49.99 | ## Apps Similar to GPTZero - [Call Recorder: Record Calls.](https://apptail.io/app/call-recorder-record-calls-HHYw/united-states) - [LED Light Controller, Remote |](https://apptail.io/app/led-light-controller-remote-dFjx/united-states) - [AI Checker: Originality Writer](https://apptail.io/app/ai-checker-originality-writer-Nakx/united-states) - [Zip Extractor & Rar Opener Pro](https://apptail.io/app/zip-extractor-rar-opener-pro-FWpx/united-states) - [GPT.Zero: AI Undetectable Tool](https://apptail.io/app/gptzero-ai-undetectable-tool-oqSx/united-states) - [ZeroGPT: AI Humanizer - Bypass](https://apptail.io/app/zerogpt-ai-humanizer-bypass-fVsz/united-states) - [电子签名・专业可靠的文件签字软件，真实手写笔锋，简单快捷](https://apptail.io/app/app-dquz/united-states) - [Authenticator: 2FA Auth & MFA](https://apptail.io/app/authenticator-2fa-auth-mfa-mECz/united-states) - [AI Card Grading - GradeQ](https://apptail.io/app/ai-card-grading-gradeq-QdVz/united-states) - [Screen Mirroring: Cast to TV |](https://apptail.io/app/screen-mirroring-cast-to-tv-gJbA/united-states) ## GPTZero Available In - [United States](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/united-states) - [United Kingdom](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/united-kingdom) - [Hong Kong SAR China](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/hong-kong) - [Brazil](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/brazil) - [United Arab Emirates](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/united-arab-emirates) - [Chile](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/chile) - [Germany](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/germany) - [Algeria](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/algeria) - [Estonia](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/estonia) - [Spain](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/spain) - [Finland](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/finland) - [France](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/france) - [Ghana](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/ghana) - [Greece](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/greece) - [Ireland](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/ireland) - [Israel](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/israel) - [Italy](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/italy) - [Jordan](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/jordan) - [Japan](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/japan) - [South Korea](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/south-korea) - [Kuwait](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/kuwait) - [Cayman Islands](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/cayman-islands) - [Lithuania](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/lithuania) - [Latvia](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/latvia) - [Malta](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/malta) - [Mauritius](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/mauritius) - [Nicaragua](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/nicaragua) - [New Zealand](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/new-zealand) - [Oman](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/oman) - [Peru](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/peru) - [Portugal](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/portugal) - [Qatar](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/qatar) - [Romania](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/romania) - [Sweden](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/sweden) - [Senegal](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/senegal) - [Türkiye](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/turkey) - [Taiwan](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/taiwan) - [Saudi Arabia](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/saudi-arabia) - [Austria](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/austria) - [Australia](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/australia) - [Canada](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/canada) - [Switzerland](https://apptail.io/app/gptzero-twain-humanizer-ai-KFKy/switzerland) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*