# TT Clock vs Screen Clock Digital

The clearest difference is ads: TT Clock at none against Screen Clock Digital's shown. TT Clock also leads on update cadence (every 3 weeks vs every 14 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TT Clock ships an update every 3 weeks, Screen Clock Digital every 14 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | TT Clock | Screen Clock Digital |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 14 months |
| Size | 29 MB | 86 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen PROS Electronics Co.,Ltd](https://appshunter.io/developer/1798637623) | [3DLogical](https://appshunter.io/developer/461158570) |

## What reviewers say

### TT Clock

[App page](https://appshunter.io/ios/app/tt-clock/id6748670158)

**Features:** macOS Compatibility

**In-app purchases:** none


### Screen Clock Digital

[App page](https://appshunter.io/ios/app/screen-clock-digital/id6748713912)

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

**In-app purchases:** none


## Frequently asked questions

### Is TT Clock free?

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

### Is Screen Clock Digital free?

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

### Do TT Clock or Screen Clock Digital have ads?

Screen Clock Digital shows ads; TT Clock does not.

### Which is updated more often, TT Clock or Screen Clock Digital?

TT Clock ships an update every 3 weeks, and Screen Clock Digital every 14 months. Most recently, TT Clock was updated on October 8, 2026 and Screen Clock Digital on October 5, 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.*