# yHRMS Chat App vs GPT.Zero

The clearest difference is in-app purchases: yHRMS Chat App at none against GPT.Zero's 3. yHRMS Chat App also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. GPT.Zero sells 3 in-app purchases, starting at $6.99 per 7 days. yHRMS Chat App asks for nothing beyond the download.

yHRMS Chat App ships an update monthly, GPT.Zero every 2 months. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | yHRMS Chat App | GPT.Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (78 ratings)](https://appshunter.io/ios/app/gptzero-ai-undetectable-tool/id6756034715/reviews)** |
| Number of ratings | — | **78** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Subscription |
| Size | 55 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YIRON TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1635127416) | [俊 郭](https://appshunter.io/developer/6780973356) |

## What reviewers say

### yHRMS Chat App

[App page](https://appshunter.io/ios/app/yhrms-chat-app/id6755136940)

**Features:** macOS Compatibility

**In-app purchases:** none


### GPT.Zero

[App page](https://appshunter.io/ios/app/gptzero-ai-undetectable-tool/id6756034715)

Detect AI-generated text and refine your writing to sound more natural. This tool supports various content types and offers quick scanning with history saving. Achieve polished, human-like prose with confidence.

**Highlights:** Multiple AI detectors, Supports all writing types, Quick and easy scanning, Human-like style adjustment, Saved history of checks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TextLens Plans Weekly | $6.99 | per 7 days |
| TextLens Plans Monthly | $17.99 | per month |
| TextLens Plans Yearly | $59.99 | per year |


## Frequently asked questions

### Is yHRMS Chat App free?

yHRMS Chat App is free to download, with no in-app purchases.

### Is GPT.Zero free?

GPT.Zero is free to download, with in-app purchases available.

### Do yHRMS Chat App or GPT.Zero have ads?

Neither yHRMS Chat App nor GPT.Zero shows ads.

### Which is updated more often, yHRMS Chat App or GPT.Zero?

yHRMS Chat App ships an update monthly, and GPT.Zero every 2 months. Most recently, yHRMS Chat App was updated on October 30, 2026 and GPT.Zero on November 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*