# CKClock vs Big Clock

The clearest difference is review sentiment: CKClock at 100% against Big Clock's 0%. CKClock also leads on rating (5.0 vs 3.3) and ads (none vs shown). Big Clock's advantage is monetization model (ad-supported vs free with in-app purchases). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. CKClock sells 1 one-off in-app purchase and Big Clock sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CKClock holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 100% of CKClock's written reviews are positive against 0% of Big Clock's.

CKClock ships an update every 9 days, Big Clock every 3 months. The most recent releases landed on September 26, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | CKClock | Big Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ckclock/id1469893325/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/big-clock-digital-display/id1553856417/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 19 MB | 66 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [向阳 唐](https://appshunter.io/developer/1405639788) | [Kevin Ghori](https://appshunter.io/developer/1639082610) |

## What reviewers say

### CKClock

[App page](https://appshunter.io/ios/app/ckclock/id1469893325)

This utility app provides a simple and practical flip clock interface for your desktop or bedside. It's designed for easy viewing of the current time, especially when you wake up during the night.

**Highlights:** Simple interface design, Practical desktop clock, Bedside clock functionality, Easy time viewing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock styles | $4.99 | one-time |


### 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 |


## Frequently asked questions

### Is CKClock free?

CKClock is free to download, with in-app purchases available.

### Is Big Clock free?

Big Clock is free to download, with in-app purchases available.

### Which has better reviews, CKClock or Big Clock?

CKClock is rated higher. CKClock averages 5.0 out of 5 from 2 ratings, while Big Clock averages 3.3 from 3 ratings.

### Do CKClock or Big Clock have ads?

Big Clock shows ads; CKClock does not.

### Which is updated more often, CKClock or Big Clock?

CKClock ships an update every 9 days, and Big Clock every 3 months. Most recently, CKClock was updated on September 26, 2026 and Big Clock on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*