# Digital Clock Ultra vs See through Clock

The clearest difference is ads: Digital Clock Ultra at none against See through Clock's shown. See through Clock's advantage is iOS requirement (15.8.3 vs 17.0). On price, update cadence, 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.

Digital Clock Ultra ships an update every 3 weeks, See through Clock fortnightly. The most recent releases landed on September 20, 2026 and August 3, 2026 respectively.

## The numbers

| Metric | Digital Clock Ultra | See through Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/digital-clock-ultra/id1672768275/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 42 MB | 35 MB |
| Requires iOS | 17.0 | **15.8.3** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SeungJun Lee](https://appshunter.io/developer/1435485286) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Digital Clock Ultra

[App page](https://appshunter.io/ios/app/digital-clock-ultra/id1672768275)

Customize your device's clock with personalized backgrounds, calendar integration, and a year progress tracker. Enjoy a sleek, easy-to-navigate interface for a unique time-keeping experience.

**Highlights:** Customizable digital clock display, 12/24 hour format, Built-in calendar with date marking, Year progress percentage tracker, Personalized photo backgrounds, Sleek and modern UI

**In-app purchases:** none


### See through Clock

[App page](https://appshunter.io/ios/app/see-through-clock/id6737430785)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Digital Clock Ultra free?

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

### Is See through Clock free?

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

### Do Digital Clock Ultra or See through Clock have ads?

See through Clock shows ads; Digital Clock Ultra does not.

### Which is updated more often, Digital Clock Ultra or See through Clock?

Digital Clock Ultra ships an update every 3 weeks, and See through Clock fortnightly. Most recently, Digital Clock Ultra was updated on September 20, 2026 and See through Clock on August 3, 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.*