# Big Clock vs Digital Clock Ultra

The clearest difference is review sentiment: Digital Clock Ultra at 100% against Big Clock's 50%. Digital Clock Ultra also leads on rating (4.8 vs 2.3) and update cadence (every 3 weeks vs every 31 months). Big Clock's advantage is iOS requirement (14.0 vs 17.0). On price, ratings volume, ads and in-app purchases 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, 4.8 against 2.3. Both are backed by a comparable volume of ratings — 4 and 8 respectively. Written reviews point the same way: 50% of Big Clock's written reviews are positive against 100% of Digital Clock Ultra's.

Big Clock ships an update every 31 months, Digital Clock Ultra every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Big Clock | Digital Clock Ultra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/big-clock-digital/id1456244261/reviews) | **[4.8 (8 ratings)](https://appshunter.io/ios/app/digital-clock-ultra/id1672768275/reviews)** |
| Number of ratings | 4 | **8** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 8 MB | 42 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Philip Tam](https://appshunter.io/developer/1017337810) | [SeungJun Lee](https://appshunter.io/developer/1435485286) |

## What reviewers say

### Big Clock

[App page](https://appshunter.io/ios/app/big-clock-digital/id1456244261)

This app displays the time edge-to-edge on iOS devices, offering enhanced readability with crisp fonts for advanced displays. Customize your clock face with bold fonts, choose time formats, and toggle seconds. It functions offline and prioritizes user data privacy.

**Highlights:** Edge-to-edge time display, Crisp font for XDR/Liquid Retina, Dark mode support, 12/24 hour format, Customizable clock face styling, Offline functionality

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Big Clock free?

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

### Is Digital Clock Ultra free?

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

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

Digital Clock Ultra is rated higher. Big Clock averages 2.3 out of 5 from 4 ratings, while Digital Clock Ultra averages 4.8 from 8 ratings.

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

Neither Big Clock nor Digital Clock Ultra shows ads.

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

Big Clock ships an update every 31 months, and Digital Clock Ultra every 3 weeks. Most recently, Big Clock was updated on October 24, 2026 and Digital Clock Ultra on October 24, 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.*