# Big Clock vs Digital Clock Ultra

The clearest difference is review sentiment: Digital Clock Ultra at 100% against Big Clock's 0%. Digital Clock Ultra also leads on rating (4.8 vs 3.5) and in-app purchases (none vs 3). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Big Clock sells 3 in-app purchases, starting at $4.99 per 7 days. Digital Clock Ultra asks for nothing beyond the download.

Digital Clock Ultra holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 4 and 8 respectively. Written reviews point the same way: 0% of Big Clock's written reviews are positive against 100% of Digital Clock Ultra's.

Big Clock ships an update every 3 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 | [3.5 (4 ratings)](https://appshunter.io/ios/app/big-clock-digital-display/id1553856417/reviews) | **[4.8 (8 ratings)](https://appshunter.io/ios/app/digital-clock-ultra/id1672768275/reviews)** |
| Number of ratings | 4 | **8** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 66 MB | 42 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Ghori](https://appshunter.io/developer/1639082610) | [SeungJun Lee](https://appshunter.io/developer/1435485286) |

## What reviewers say

### Big Clock

[App page](https://appshunter.io/ios/app/big-clock-digital-display/id1553856417)

This utility app displays the current day, time, and date in a large, full-screen digital format. It offers customization options for clock digit color and includes integrated alarm, timer, and stopwatch functionalities with advanced settings like repetition and lap tracking.

**Highlights:** Full-screen digital clock display, Customizable digit colors, Multiple alarm settings, Countdown timer, Stopwatch with lap feature, Display day and date

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Big Digital Clock Weekly Plan | $4.99 | per 7 days |
| Big Digital Clock Monthly Plan | $9.99 | per month |
| Big Digital Clock Yearly Plan | $49.99 | per year |


### 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 in-app purchases available.

### 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 3.5 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?

Big Clock shows ads; Digital Clock Ultra does not.

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

Big Clock ships an update every 3 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.*