# Glass Timer vs Hidden Timer

The clearest difference is ads: Glass Timer at none against Hidden Timer's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Glass Timer | Hidden Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 0 MB | 35 MB |
| Requires iOS | **15.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mesut Yilmaz](https://appshunter.io/developer/1658109623) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Glass Timer

[App page](https://appshunter.io/ios/app/glass-timer/id6477349833)

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

**In-app purchases:** none


### Hidden Timer

[App page](https://appshunter.io/ios/app/hidden-timer/id6502872588)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Glass Timer free?

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

### Is Hidden Timer free?

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

### Do Glass Timer or Hidden Timer have ads?

Hidden Timer shows ads; Glass Timer does not.

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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.*