# Amaze Clock vs TetraClock

The clearest difference is in-app purchases: TetraClock at none against Amaze Clock's 1. TetraClock also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (14.0 vs 16.0). Amaze Clock's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Amaze Clock sells 1 one-off in-app purchase. TetraClock asks for nothing beyond the download.

Amaze Clock ships an update every 2 weeks, TetraClock every 2 days. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Amaze Clock | TetraClock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 52 MB | 6 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文长 侯](https://appshunter.io/developer/1197107833) | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) |

## What reviewers say

### Amaze Clock

[App page](https://appshunter.io/ios/app/amaze-clock/id6476312577)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终身解锁全部时钟 | $0.99 | one-time |


### TetraClock

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Amaze Clock free?

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

### Is TetraClock free?

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

### Do Amaze Clock or TetraClock have ads?

TetraClock shows ads; Amaze Clock does not.

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

Amaze Clock ships an update every 2 weeks, and TetraClock every 2 days. Most recently, Amaze Clock was updated on September 9, 2026 and TetraClock on September 17, 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.*