# Digital Clock Ultra vs Custom Digital Clock

The clearest difference is review sentiment: Digital Clock Ultra at 100% against Custom Digital Clock's 0%. Digital Clock Ultra also leads on rating (5.0 vs 1.0) and ads (none vs shown). Custom Digital Clock's advantage is iOS requirement (15.1 vs 17.0). On price, 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 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 100% of Digital Clock Ultra's written reviews are positive against 0% of Custom Digital Clock's.

Digital Clock Ultra ships an update every 3 weeks, Custom Digital Clock every 9 months. The most recent releases landed on September 20, 2026 and July 10, 2026 respectively.

## The numbers

| Metric | Digital Clock Ultra | Custom Digital Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/digital-clock-ultra/id1672768275/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/custom-digital-clock/id6476612907/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Monetization | **Free** | Ad-supported |
| Size | 42 MB | 29 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SeungJun Lee](https://appshunter.io/developer/1435485286) | [tadashi endo](https://appshunter.io/developer/1605441215) |

## 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


### Custom Digital Clock

[App page](https://appshunter.io/ios/app/custom-digital-clock/id6476612907)

Display a stylish digital clock on your smartphone. Personalize the clock's appearance with custom coloring options to match your style.

**Highlights:** Stylish digital clock display, Customizable coloring, Smartphone integration, Personalized appearance

**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 Custom Digital Clock free?

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

### Which has better reviews, Digital Clock Ultra or Custom Digital Clock?

Digital Clock Ultra is rated higher. Digital Clock Ultra averages 5.0 out of 5 from 4 ratings, while Custom Digital Clock averages 1.0 from 1 ratings.

### Do Digital Clock Ultra or Custom Digital Clock have ads?

Custom Digital Clock shows ads; Digital Clock Ultra does not.

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

Digital Clock Ultra ships an update every 3 weeks, and Custom Digital Clock every 9 months. Most recently, Digital Clock Ultra was updated on September 20, 2026 and Custom Digital Clock on July 10, 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.*