# AI Humanizer - Fenn — Undetectable AI Writer

> AI text humanizer and detector checker for natural-sounding content. (iPhone/iPad app by Konstantin Chibrikov.)

- Source: https://appshunter.io/ios/app/ai-humanizer-fenn/id6744461240 (this page in markdown: same URL + `.md`)
- Developer: [Konstantin Chibrikov](https://appshunter.io/developer/1799396611)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Rating: 4.90/5 from 86 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.6 · 6 MB
- Languages: American English
- Released: 2025-04-12
- Data updated: 2026-07-20
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/ai-humanizer-fenn/id6744461240/reviews.md

## What is AI Humanizer?

Fenn transforms AI-generated content into human-like text. It takes content from models like GPT-4, GPT-4o, GPT-5, Claude, Jasper, Copilot, and Gemini, and rewrites it to sound natural.

Fenn also displays a "human score," such as 71% human, so you know how natural the text reads. It checks your content against popular AI detectors and tells you which ones it passes or fails. Supported detectors include Turnitin, GPTZero, Originality AI, Copyleaks, Writer, ChatGPT Content Detector, GPTRadar, Winston AI, Content at Scale, Corrector, ZeroGPT, Crossplag, and Sapling.

## What You Can Do:

## Main Features:
- Easy copy and paste
- Simple, clean design
- Dark mode
- Unlimited content creation
- Fast processing
- Ad-free experience
- Great support

## Perfect For:
- Students
- Content creators
- Business professionals
- Writers and editors
- Social media managers
- Anyone who wants better writing

## Privacy:
- We don't store your data
- Secure processing
- Privacy-focused
- No account creation required

———————

Terms of Service: https://misfitscorp.com/terms-of-service
Privacy Policy: https://misfitscorp.com/privacy-policy

Have ideas to make Fenn better? Email us at hello@misfitscorp.com - we love hearing from you!

## Key features

- Humanizes AI-generated text
- Supports multiple AI models
- Checks against popular AI detectors
- Provides a "human score"
- Unlimited content creation
- Ad-free experience
- Secure and private processing

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Unlimited Weekly | $7.99 | per 7 days |
| Unlimited Yearly | $39.99 | per year |
| Unlimited Weekly | $7.99 | per 7 days |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/ai-humanizer-fenn/id6744461240/reviews.md

### 5/5 — .

*2025-05-07*

This application really worked for me, I tried the text that grubby gave me and went to gptzero and it came out 100% human

## Frequently asked questions about AI Humanizer

### What is Fenn?

Fenn is an application designed to transform AI-generated content into human-like text. It works with content from models like GPT-4, Claude, and Gemini, rewriting it to sound natural and passing it through various AI detectors.

### Does Fenn have ads?

No, Fenn offers an ad-free experience, allowing users to create content without interruptions. This is highlighted as a key feature for a clean and focused user interface.

### What AI detectors does Fenn support?

Fenn supports a wide range of AI detectors including Turnitin, GPTZero, Originality AI, Copyleaks, Writer, ChatGPT Content Detector, GPTRadar, Winston AI, Content at Scale, Corrector, ZeroGPT, Crossplag, and Sapling.

### How much does Fenn cost?

Fenn is free to download and use, with options for in-app purchases for unlimited weekly or yearly subscriptions. The weekly plan is $7.99 with a 3-day free trial, and the yearly plan is $39.99.

### What devices is Fenn available on?

Fenn is available on iPhone and iPad, making it accessible for users on Apple's mobile and tablet platforms.

### How often is Fenn updated?

The latest version of Fenn is 1.18, and it was last updated on March 26, 2026. This indicates a relatively active development cycle for the application.

### Is my data safe with Fenn?

Yes, Fenn prioritizes user privacy by not storing your data and ensuring secure processing. No account creation is required to use the service.

### What is the "human score" in Fenn?

The "human score" displayed by Fenn indicates how natural your text reads, with examples like 71% human. This score helps users understand the effectiveness of the humanization process.

## Version history (last 5 releases)

### 1.18 — 2026-03-26

Performance improvements

### 1.17 — 2026-03-24

A better humanizer model.

### 1.16 — 2026-02-03

Increased limits for free humanization requests

### 1.15 — 2026-01-29

Improvements

### 1.14 — 2026-01-27

Bugfixes and performance improvements

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## More apps by Konstantin Chibrikov

- [Free Micro Learning: Brieflane](https://appshunter.io/ios/app/free-micro-learning-brieflane/id6742682152)
- [SuperSolver - Homework Helper](https://appshunter.io/ios/app/supersolver-homework-helper/id6758314749)
- [Herta - Drum Practice Tracker](https://appshunter.io/ios/app/herta-drum-practice-tracker/id6759501469)
- [Majik - Generate Image & Video](https://appshunter.io/ios/app/majik-generate-image-and-video/id6761885773)

All apps by Konstantin Chibrikov: https://appshunter.io/developer/1799396611

## Related topics

[lunch break ai](https://appshunter.io/ios/topics/lunch-break-ai) · [lunch break](https://appshunter.io/ios/topics/lunch-break) · [grubby ai](https://appshunter.io/ios/topics/grubby-ai) · [ai humanizer](https://appshunter.io/ios/topics/ai-humanizer)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-20.*