# eYACHO Viewer 5 vs GyroEye

The clearest difference is update cadence: eYACHO Viewer 5 at every 3 weeks against GyroEye's every 3 months. eYACHO Viewer 5 also leads on iOS requirement (9.0 vs 15.0). 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.

eYACHO Viewer 5 ships an update every 3 weeks, GyroEye every 3 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | eYACHO Viewer 5 | GyroEye |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 228 MB | 393 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MetaMoJi Corporation](https://appshunter.io/developer/449808118) | [Informatix](https://appshunter.io/developer/675500072) |

## What reviewers say

### eYACHO Viewer 5

[App page](https://appshunter.io/ios/app/eyacho-viewer-5/id1457542991)

**In-app purchases:** none


### GyroEye

[App page](https://appshunter.io/ios/app/gyroeye/id6450506351)

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

**In-app purchases:** none


## Frequently asked questions

### Is eYACHO Viewer 5 free?

eYACHO Viewer 5 is free to download, with no in-app purchases.

### Is GyroEye free?

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

### Do eYACHO Viewer 5 or GyroEye have ads?

Neither eYACHO Viewer 5 nor GyroEye shows ads.

### Which is updated more often, eYACHO Viewer 5 or GyroEye?

eYACHO Viewer 5 ships an update every 3 weeks, and GyroEye every 3 months. Most recently, eYACHO Viewer 5 was updated on October 26, 2026 and GyroEye 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.*