# Glass Timer vs TetraClock

The clearest difference is ads: Glass Timer at none against TetraClock'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 | TetraClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/tetraclock-falling-block/id6504890211/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 days |
| Monetization | — | Ad-supported |
| Size | 0 MB | 6 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mesut Yilmaz](https://appshunter.io/developer/1658109623) | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) |

## 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


### TetraClock

[App page](https://appshunter.io/ios/app/tetraclock-falling-block/id6504890211)

This clock app uses falling tetromino blocks to display the time. Customize colors, animations, and display formats. Note that the displayed time may have slight discrepancies due to animation effects.

**Highlights:** Tetromino block time display, Customizable colors and animations, 12/24-hour format, Seconds display toggle, Adjustable falling speed, Background color options

**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 TetraClock free?

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

### Do Glass Timer or TetraClock have ads?

TetraClock 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.*