# TetraClock - Falling Block — Falling Block Clock

> Falling Block Clock (iPhone/iPad app by LEGAL PROMPT INC..)

- Source: https://appshunter.io/ios/app/tetraclock-falling-block/id6504890211 (this page in markdown: same URL + `.md`)
- Developer: [LEGAL PROMPT INC.](https://appshunter.io/developer/1490746932)
- Category: Utilities, Entertainment
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 6 MB
- Languages: English, Japanese
- Released: 2024-06-27
- Data updated: 2026-07-06
- User reviews in markdown: https://appshunter.io/ios/app/tetraclock-falling-block/id6504890211/reviews.md

## What is TetraClock?

'TetraClock' is a clock app that represents the time by stacking seven types of single-sided tetromino-shaped blocks as they fall.

The differences from the paid version are as follows:
・Contains ads
・No Watch App

[How to Use]
Tap the screen: Open the settings screen.
Long press the screen: Stack the blocks again.

[Main Features]
- Switch between 12/24-hour display
- Toggle seconds display ON/OFF
- Monotone display
- Fill in ON/OFF
- Change outline color
- Change transition animations
- Change falling speed
- Change background color

[Notices]
 Due to the animation effect used for changing numbers, there may be a discrepancy between the displayed time and the actual time. Please do not use the displayed time as a basis for important decisions.


## Version history (last 5 releases)

### 1.3.3 — 2025-09-21

Compatible with iOS 26

### 1.3.2 — 2025-03-29

Adjusted fall speed.

### 1.3.1 — 2025-01-08

Adjusted the UI.

### 1.3.0 — 2025-01-08

Added number shapes.

### 1.2.7 — 2025-01-07

Added number shapes.

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| --- | --- | --- | --- |
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## More apps by LEGAL PROMPT INC.

- [bit六法　弁護士制作監修](https://appshunter.io/ios/app/bit/id1490746933)
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- [特許情報保存](https://appshunter.io/ios/app/id1532651790)
- [AI文章変換](https://appshunter.io/ios/app/ai/id6448793893)
- [DripRate](https://appshunter.io/ios/app/driprate/id6449645707)
- [++Timer](https://appshunter.io/ios/app/plus-plus-timer/id6450435036)

All apps by LEGAL PROMPT INC.: https://appshunter.io/developer/1490746932

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-06.*