# TetraClock vs Studio Clock

The clearest difference is ads: Studio Clock at none against TetraClock's shown. TetraClock's advantage is iOS requirement (14.0 vs 16.6). On price, update cadence, 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.

TetraClock ships an update every 2 days, Studio Clock every 3 days. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | TetraClock | Studio Clock |
| --- | --- | --- |
| 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 | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Ad-supported | — |
| Size | 6 MB | 1 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) | [Noah Patrick Redeker](https://appshunter.io/developer/1796112418) |

## What reviewers say

### 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


### Studio Clock

[App page](https://appshunter.io/ios/app/studio-clock-studio-uhr/id6741894183)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TetraClock free?

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

### Is Studio Clock free?

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

### Do TetraClock or Studio Clock have ads?

TetraClock shows ads; Studio Clock does not.

### Which is updated more often, TetraClock or Studio Clock?

TetraClock ships an update every 2 days, and Studio Clock every 3 days. Most recently, TetraClock was updated on October 22, 2026 and Studio Clock on October 19, 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.*