# Atomic Clock – Precision Time — Network Time Sync & Latency

> NTP time synchronization utility with millisecond precision and customizable clock displays. (iPhone/iPad app by 家宝 戴.)

- Source: https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377 (this page in markdown: same URL + `.md`)
- Developer: [家宝 戴](https://appshunter.io/developer/1826395838)
- Category: Productivity
- Price: Free with in-app purchases
- Rating: 4.75/5 from 4 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.6 · 9 MB
- Languages: Arabic, English, French, German, Italian, Japanese, Korean, Portuguese, Chinese, Spanish and 1 more
- Released: 2026-03-31
- Data updated: 2026-06-30
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377/reviews.md

## What is Atomic Clock?

Atomic Clock – Precision Time is a professional precision clock and NTP time synchronization utility for anyone who needs highly accurate time directly on their device.

Use reliable network time synchronization to view precise time with millisecond-level detail. Compare your device clock with network time, check sync offset and latency, switch between local time and UTC, and keep the screen on when you need a stable reference clock.

Key features:
• NTP-based time synchronization
• Millisecond or 1/60-second detail
• Local time and UTC display
• Device offset and network latency indicators
• Automatic sync with configurable intervals
• Six clock styles: circular dots, analog, minimalist, binary, neon glow, and flip clock
• Custom accent colors and multi-color display
• Night mode and keep-screen-on option
• Privacy-focused: no account, no analytics, no tracking

Atomic Clock – Precision Time is built for precise timing, clock drift checks, latency awareness, and a clean daily precision clock.

## Key features

- 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

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| AtomicClock Pro Monthly | $5.99 | per month |
| AtomicClock Pro Monthly | $19.99 | per year |


## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377/reviews.md

### 5/5 — Best Atomic Clock

*2026-04-10*

Very accurate atomic clock app with fast network sync and clean design.I really like the millisecond precision and different clock styles.Easy to use and worth downloading.

**Developer response:** Thank you for your wonderful review of Atomic Clock – Precision Time. We’re very happy to hear that you enjoy the accurate atomic clock, fast network time sync, clean design, and millisecond precision. We built this app for users who need a precise time app that is simple, reliable, and easy to use every day. Your support means a lot to us, and we’ll continue improving Atomic Clock with better precision time features, smoother sync performance, and an even better user experience.

### 4/5 — SCREEN LOCK!!!

*2026-04-07*

This does NOT prevent SCREEN LOCK from happening. It NEEDS to be able to do SO!!! Thanks!!

**Developer response:** Thanks for the feedback!
You’re absolutely right — preventing screen lock can be very useful while using the app.
We’re adding a “Keep Screen Awake” option in the next update so the screen will stay on while the app is open.
Appreciate the suggestion!

### 5/5 — Beautiful and Precise Time App

*2026-04-01*

Great atomic clock app!It syncs quickly with network time servers and shows very accurate.

**Developer response:** Thank you so much for your wonderful feedback!

We’re glad you like the Atomic Clock – Precision Time app. Our goal is to provide the most accurate atomic clock time by syncing with reliable network time servers.

Precise and stable time synchronization is very important to us, and we’re happy to hear that the app works quickly and accurately for you.

If you enjoy using this atomic clock with millisecond precision, please consider sharing it with others who need a reliable accurate time app.

Thanks again for your support!

### 5/5 — Super Accurate Atomic Clock

*2026-04-01*

This is one of the best atomic clock I’ve tried.The time sync is extremely precise and the milliseconds display is very useful.

**Developer response:** Thank you for your great review!

We’re thrilled that you find the Atomic Clock – Precision Time app extremely accurate. The app is designed to deliver precise atomic time with fast network time synchronization and a clear millisecond display.

Your feedback motivates us to keep improving this high-precision atomic clock app so users can always access reliable and accurate time.

Thanks for using Atomic Clock – Precision Time!

## Frequently asked questions about Atomic Clock

### What is Atomic Clock's primary function?

Atomic Clock is a utility app designed for precise time synchronization using NTP. It allows users to view time with millisecond accuracy, compare their device clock to network time, and monitor sync offset and network latency.

### Does Atomic Clock have ads?

No, Atomic Clock is ad-free. The app is designed with a privacy-focused approach, meaning it does not contain advertisements.

### What devices does Atomic Clock support?

Atomic Clock is currently supported on iPhones. Information regarding support for other devices like iPads or Android phones is not available in the provided data.

### How often is Atomic Clock updated?

The latest version of Atomic Clock is 1.0.2, which was last updated on May 19, 2026. This indicates a recent update, suggesting active development and maintenance.

### What are the different clock styles available in Atomic Clock?

Atomic Clock offers six distinct clock styles to suit user preferences. These include circular dots, analog, minimalist, binary, neon glow, and flip clock designs.

### Is Atomic Clock suitable for children?

Yes, Atomic Clock has an age rating of 4+, making it suitable for children. The app's functionality is focused on timekeeping and synchronization.

### Can I customize the appearance of Atomic Clock?

Yes, users can customize the appearance of Atomic Clock with custom accent colors and multi-color display options. It also features a night mode and a keep-screen-on option for stable reference.

### What is the user rating for Atomic Clock?

Atomic Clock has a high user rating of 4.8 stars, based on 4 ratings. This suggests a very positive reception from its current user base.

## Version history (last 3 releases)

### 1.0.2 — 2026-05-19

Updated multilingual App Store metadata and improved wording around precision time, NTP synchronization, display styles, and privacy.

### 1.0.1 — 2026-04-09

• Added subscription support
• Added Keep Screen Awake option to prevent auto screen lock
• Fixed several bugs
• Improved app stability and performance

### 1.0 — 2026-03-31

No release notes.

## More apps by 家宝 戴

- [Ritualix - Habits & Streaks](https://appshunter.io/ios/app/ritualix-habits-and-streaks/id6748828166)
- [FridgeTrack – Fridge Inventory](https://appshunter.io/ios/app/fridgetrack-fridge-inventory/id6749074023)
- [MindNest: Secret Journal](https://appshunter.io/ios/app/mindnest-secret-journal/id6749536903)
- [PDF Scan – Scanner & Reader](https://appshunter.io/ios/app/pdf-scan-scanner-and-reader/id6751232307)
- [SnapCleaner – Clean Photos](https://appshunter.io/ios/app/snapcleaner-clean-photos/id6751627505)
- [SnapLabel - Photo Text Label](https://appshunter.io/ios/app/snaplabel-photo-text-label/id6751947372)

All apps by 家宝 戴: https://appshunter.io/developer/1826395838

## Related topics

[atomic clock](https://appshunter.io/ios/topics/atomic-clock) · [atomic clock app](https://appshunter.io/ios/topics/atomic-clock-app)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-30.*