# Millisecond Clock vs TapScore Scorekeeper

The clearest difference is in-app purchases: TapScore Scorekeeper at none against Millisecond Clock's 3. TapScore Scorekeeper also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). On price and device support there is nothing between them.

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

## The numbers

| Metric | Millisecond Clock | TapScore Scorekeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (131 ratings)](https://appshunter.io/ios/app/millisecond-clock/id1526615560/reviews)** | — |
| Number of ratings | **131** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 190 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chia-Chun Hsieh](https://appshunter.io/developer/908221958) | [Charles Tatum II](https://appshunter.io/developer/386093342) |

## 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 |


### TapScore Scorekeeper

[App page](https://appshunter.io/ios/app/tapscore-scorekeeper/id6738754889)

**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 TapScore Scorekeeper free?

TapScore Scorekeeper is free to download, with no in-app purchases.

### Do Millisecond Clock or TapScore Scorekeeper have ads?

Millisecond Clock shows ads; TapScore Scorekeeper does not.

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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.*