# LightAura Clock：Desktop Clock vs Atomic Clock

The clearest difference is update cadence: LightAura Clock：Desktop Clock at every 3 days against Atomic Clock's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. LightAura Clock：Desktop Clock sells 3 in-app purchases, starting at $0.99 per 7 days and Atomic Clock sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

LightAura Clock：Desktop Clock ships an update every 3 days, Atomic Clock every 6 weeks. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | LightAura Clock：Desktop Clock | Atomic Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 80 MB | 9 MB |
| Requires iOS | **17** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [瑞 吴](https://appshunter.io/developer/1788248445) | [家宝 戴](https://appshunter.io/developer/1826395838) |

## What reviewers say

### LightAura Clock：Desktop Clock

[App page](https://appshunter.io/ios/app/lightaura-clockdesktop-clock/id6749935477)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LightAura Weekly | $0.99 | per 7 days |
| LightAura Yearly | $5.99 | per year |
| LightAura Lifetime | $19.99 | one-time |


### Atomic Clock

[App page](https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377)

This utility provides highly accurate time synchronization using NTP, displaying precise time with millisecond detail. It allows comparison with network time, shows sync offset and latency, and offers various clock styles with customization options. It's designed for users needing a reliable, precise reference clock.

**Highlights:** NTP-based time synchronization, Millisecond time detail, Local time and UTC display, Device offset and network latency indicators, Automatic sync, Multiple clock styles, Customizable colors and night mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AtomicClock Pro Monthly | $5.99 | per month |
| AtomicClock Pro Monthly | $19.99 | per year |


## Frequently asked questions

### Is LightAura Clock：Desktop Clock free?

LightAura Clock：Desktop Clock is free to download, with in-app purchases available.

### Is Atomic Clock free?

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

### Do LightAura Clock：Desktop Clock or Atomic Clock have ads?

Neither LightAura Clock：Desktop Clock nor Atomic Clock shows ads.

### Which is updated more often, LightAura Clock：Desktop Clock or Atomic Clock?

LightAura Clock：Desktop Clock ships an update every 3 days, and Atomic Clock every 6 weeks. Most recently, LightAura Clock：Desktop Clock was updated on September 10, 2026 and Atomic Clock on September 18, 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.*