# O'Pet Link vs QUET ECG

The clearest difference is update cadence: O'Pet Link at weekly against QUET ECG's monthly. 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.

O'Pet Link ships an update weekly, QUET ECG monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | O'Pet Link | QUET ECG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 232 MB | 17 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bionet CO.,LTD](https://appshunter.io/developer/1526082887) | [Solmitech Co., Ltd.](https://appshunter.io/developer/1137596608) |

## What reviewers say

### O'Pet Link

[App page](https://appshunter.io/ios/app/opet-link/id6471456679)

**Features:** macOS Compatibility

**In-app purchases:** none


### QUET ECG

[App page](https://appshunter.io/ios/app/quet-ecg/id6744236865)

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

**In-app purchases:** none


## Frequently asked questions

### Is O'Pet Link free?

O'Pet Link is free to download, with no in-app purchases.

### Is QUET ECG free?

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

### Do O'Pet Link or QUET ECG have ads?

Neither O'Pet Link nor QUET ECG shows ads.

### Which is updated more often, O'Pet Link or QUET ECG?

O'Pet Link ships an update weekly, and QUET ECG monthly. Most recently, O'Pet Link was updated on October 25, 2026 and QUET ECG on October 25, 2026.

---

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