# ScrollClock  Cool design clock vs TetraClock

The clearest difference is update cadence: TetraClock at every 2 days against ScrollClock  Cool design clock's every 9 months. On price, ads, 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.

ScrollClock  Cool design clock ships an update every 9 months, TetraClock every 2 days. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ScrollClock  Cool design clock | TetraClock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 6 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kazuhiko kuroda](https://appshunter.io/developer/460872954) | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) |

## What reviewers say

### ScrollClock  Cool design clock

[App page](https://appshunter.io/ios/app/scrollclock-cool-design-clock/id623163480)

This utility app displays a unique scrolling clock with customizable font colors and styles. It also shows the battery level and supports dark mode for comfortable viewing.

**Highlights:** Scrolling clock display, Customizable font color, Customizable font style, Battery level indicator, Dark mode support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### TetraClock

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ScrollClock  Cool design clock free?

ScrollClock  Cool design clock is free to download, with no in-app purchases.

### Is TetraClock free?

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

### Do ScrollClock  Cool design clock or TetraClock have ads?

Both ScrollClock  Cool design clock and TetraClock show ads.

### Which is updated more often, ScrollClock  Cool design clock or TetraClock?

ScrollClock  Cool design clock ships an update every 9 months, and TetraClock every 2 days. Most recently, ScrollClock  Cool design clock was updated on September 20, 2026 and TetraClock on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*