# ms clock vs 24Clock

The clearest difference is rating: 24Clock at 5.0 against ms clock's 4.2. 24Clock also leads on review sentiment (100% vs 80%). ms clock's advantage is in-app purchases (none vs 1) and ratings volume (10 vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 24Clock sells 1 one-off in-app purchase. ms clock asks for nothing beyond the download.

24Clock holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 10 and 3 respectively. Written reviews point the same way: 80% of ms clock's written reviews are positive against 100% of 24Clock's.

ms clock ships an update every 2 months, 24Clock monthly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | ms clock | 24Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (10 ratings)](https://appshunter.io/ios/app/ms-clock-millisecond-clock/id6473691989/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/24clock-atombox/id6740284771/reviews)** |
| Number of ratings | **10** | 3 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 55 MB | 29 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seulki Eom](https://appshunter.io/developer/1718927408) | [Aox.design Co., Ltd.](https://appshunter.io/developer/1468896401) |

## What reviewers say

### ms clock

[App page](https://appshunter.io/ios/app/ms-clock-millisecond-clock/id6473691989)

This app offers highly accurate timekeeping with millisecond precision. It includes a stopwatch with lap times and a customizable countdown timer, suitable for various activities and personal preferences.

**Highlights:** Millisecond precision clock, Stopwatch with lap time, Countdown timer, Customizable fonts and sizes, Dark and light modes, Full-screen mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 24Clock

[App page](https://appshunter.io/ios/app/24clock-atombox/id6740284771)

Experience time in its purest form with a stylish clock featuring ticking sounds and customizable ambient soundscapes. This app encourages mindfulness and finding calm in the present moment, offering a unique perspective on the passage of time.

**Highlights:** Stylish clock faces, Ticking sound effects, Ambient sound creation, Mindfulness focus, Time discovery

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 24Clock Purchase | $2.99 | one-time |


## Frequently asked questions

### Is ms clock free?

ms clock is free to download, with no in-app purchases.

### Is 24Clock free?

24Clock is free to download, with in-app purchases available.

### Which has better reviews, ms clock or 24Clock?

24Clock is rated higher. ms clock averages 4.2 out of 5 from 10 ratings, while 24Clock averages 5.0 from 3 ratings.

### Do ms clock or 24Clock have ads?

Both ms clock and 24Clock show ads.

### Which is updated more often, ms clock or 24Clock?

ms clock ships an update every 2 months, and 24Clock monthly. Most recently, ms clock was updated on October 24, 2026 and 24Clock on October 23, 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.*