# Nixie Clocks vs Millisecond Clock

The clearest difference is in-app purchases: Nixie Clocks at none against Millisecond Clock's 3. Nixie Clocks also leads on ads (none vs shown). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.8 for Nixie Clocks against 4.7 for Millisecond Clock. Both are backed by a comparable volume of ratings — 106 and 131 respectively. Written reviews are what separate them: 71% of Nixie Clocks's written reviews are positive against 73% of Millisecond Clock's.

Nixie Clocks ships an update every 4 months, Millisecond Clock every 6 months. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Nixie Clocks | Millisecond Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (106 ratings)](https://appshunter.io/ios/app/nixie-clocks/id1340858489/reviews)** | [4.7 (131 ratings)](https://appshunter.io/ios/app/millisecond-clock/id1526615560/reviews) |
| Number of ratings | 106 | **131** |
| Positive reviews | 71.4% of reviews | **72.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [ljezny](https://appshunter.io/developer/557198537) | [Chia-Chun Hsieh](https://appshunter.io/developer/908221958) |

## What reviewers say

### Nixie Clocks

[App page](https://appshunter.io/ios/app/nixie-clocks/id1340858489)

This device displays time using vintage-style Nixie tubes, offering automatic internet time synchronization and online settings management. It features silent operation, extended tube life through direct drive, and cathode poisoning prevention. Users can also enjoy customizable RGB underlighting and remote firmware updates.

**Highlights:** Internet time synchronization, Online settings management, Silent operation, Direct driven Nixie tubes, Cathode poisoning prevention, RGB underlighting, Online firmware updates

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Nixie Clocks free?

Nixie Clocks is free to download, with no in-app purchases.

### Is Millisecond Clock free?

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

### Which has better reviews, Nixie Clocks or Millisecond Clock?

Nixie Clocks is rated higher. Nixie Clocks averages 4.8 out of 5 from 106 ratings, while Millisecond Clock averages 4.7 from 131 ratings.

### Do Nixie Clocks or Millisecond Clock have ads?

Millisecond Clock shows ads; Nixie Clocks does not.

### Which is updated more often, Nixie Clocks or Millisecond Clock?

Nixie Clocks ships an update every 4 months, and Millisecond Clock every 6 months. Most recently, Nixie Clocks was updated on October 5, 2026 and Millisecond Clock on October 14, 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.*