# iProtin vs Yocheck Pet

The clearest difference is update cadence: iProtin at every 2 weeks against Yocheck Pet's every 5 months. Yocheck Pet's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iProtin ships an update every 2 weeks, Yocheck Pet every 5 months. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | iProtin | Yocheck Pet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Size | 43 MB | 47 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [tst biomedical electronics Company Limited](https://appshunter.io/developer/1722982362) | [OPTOSTA](https://appshunter.io/developer/1733580281) |

## What reviewers say

### iProtin

[App page](https://appshunter.io/ios/app/iprotin/id6737819780)

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

**In-app purchases:** none


### Yocheck Pet

[App page](https://appshunter.io/ios/app/yocheck-pet/id6740319125)

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

**In-app purchases:** none


## Frequently asked questions

### Is iProtin free?

iProtin is free to download, with no in-app purchases.

### Is Yocheck Pet free?

Yocheck Pet is free to download, with no in-app purchases.

### Do iProtin or Yocheck Pet have ads?

Neither iProtin nor Yocheck Pet shows ads.

### Which is updated more often, iProtin or Yocheck Pet?

iProtin ships an update every 2 weeks, and Yocheck Pet every 5 months. Most recently, iProtin was updated on November 8, 2026 and Yocheck Pet on October 30, 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.*