# TetraClock vs Liquid Clock

The clearest difference is in-app purchases: TetraClock at none against Liquid Clock's 3. TetraClock also leads on update cadence (every 2 days vs every 8 days) and iOS requirement (14.0 vs 26.2). Liquid Clock's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Liquid Clock sells 3 in-app purchases, starting at $0.99 per month. TetraClock asks for nothing beyond the download.

TetraClock ships an update every 2 days, Liquid Clock every 8 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TetraClock | Liquid 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** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 8 days |
| Monetization | Ad-supported | — |
| Size | 6 MB | 24 MB |
| Requires iOS | **14.0** | 26.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) | [东东 张](https://appshunter.io/developer/1637022692) |

## 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


### Liquid Clock

[App page](https://appshunter.io/ios/app/liquid-clock/id6757009818)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $4.99 | per year |
| Lifetime Membership | $9.99 | one-time |


## Frequently asked questions

### Is TetraClock free?

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

### Is Liquid Clock free?

Liquid Clock is free to download, with in-app purchases available.

### Do TetraClock or Liquid Clock have ads?

TetraClock shows ads; Liquid Clock does not.

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

TetraClock ships an update every 2 days, and Liquid Clock every 8 days. Most recently, TetraClock was updated on October 30, 2026 and Liquid Clock on October 31, 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.*