# Millisecond Clock vs Ticktack Clock

The clearest difference is rating: Millisecond Clock at 4.7 against Ticktack Clock's 3.6. Millisecond Clock also leads on ratings volume (131 vs 5) and review sentiment (73% vs 60%). Ticktack Clock's advantage is in-app purchases (none vs 3) and update cadence (every 10 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Millisecond Clock sells 3 one-off in-app purchases. Ticktack Clock asks for nothing beyond the download.

Millisecond Clock holds the better App Store score, 4.7 against 3.6. That said, the two scores are not equally well evidenced: Millisecond Clock has 131 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 73% of Millisecond Clock's written reviews are positive against 60% of Ticktack Clock's.

Millisecond Clock ships an update every 6 months, Ticktack Clock every 10 days. The most recent releases landed on September 6, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Millisecond Clock | Ticktack Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (131 ratings)](https://appshunter.io/ios/app/millisecond-clock/id1526615560/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/ticktack-clock/id1638574125/reviews) |
| Number of ratings | **131** | 5 |
| Positive reviews | **72.7% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 4 MB | 81 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Chia-Chun Hsieh](https://appshunter.io/developer/908221958) | [Yukihiro Morita](https://appshunter.io/developer/1320734281) |

## What reviewers say

### Millisecond Clock

[App page](https://appshunter.io/ios/app/millisecond-clock/id1526615560)

This app displays the most accurate time available, down to the millisecond. It's useful for measuring network delays or video streaming lag by comparing displayed time differences.

**Highlights:** Millisecond precision time display, Accurate timekeeping for iPhone and iPad, Network delay measurement, Video streaming lag analysis, Free to download

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Special Offer Package | $2.99 | one-time |
| Unlock Themes | $3.99 | one-time |


### Ticktack Clock

[App page](https://appshunter.io/ios/app/ticktack-clock/id1638574125)

This app provides a ticking second hand and sound for timing intervals during activities like exercise or stretching. It functions only when the app is open and in the foreground, with a note about potential battery drain. Advertisements are displayed.

**Highlights:** Ticking second hand, Tick-tack sound, Foreground operation, Interval timing, Battery consumption warning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Millisecond Clock free?

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

### Is Ticktack Clock free?

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

### Which has better reviews, Millisecond Clock or Ticktack Clock?

Millisecond Clock is rated higher. Millisecond Clock averages 4.7 out of 5 from 131 ratings, while Ticktack Clock averages 3.6 from 5 ratings.

### Do Millisecond Clock or Ticktack Clock have ads?

Both Millisecond Clock and Ticktack Clock show ads.

### Which is updated more often, Millisecond Clock or Ticktack Clock?

Millisecond Clock ships an update every 6 months, and Ticktack Clock every 10 days. Most recently, Millisecond Clock was updated on September 6, 2026 and Ticktack Clock on September 8, 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.*