Atomic Time - NTP Clock Sync

1.10.2

Thomas Wiegold

4.94

4,269 reviews

100,000+
Downloads

Free

Get the most accurate time with this NTP server synchronized atomic clock.

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4.94 · 4,269 reviews · 100,000+ downloads

Atomic Time delivers precise time via NTP synchronization with a clean, minimalist analog and digital display. It’s not ranked in any top list but earns a strong 4.86 rating from 3,962 reviews. With 100,000+ total downloads and 3.5K in the last 30 days, it’s a trusted reference for professionals and enthusiasts who value accuracy.

Pros & Cons

NTP-synced, highly accurate time reference
Ultra-clean, readable minimalist UI
Lightweight and fast with low resource usage
Customizable color themes for OLED and other displays

No built-in widgets or Wear OS integration
Limited clock face options beyond the minimalist analog/digital display

About Atomic Time - NTP Clock Sync

Atomic Time - NTP Clock Sync is a tools app developed by Thomas Wiegold.

Download Statistics

Atomic Time - NTP Clock Sync has been downloaded 180 thousand times. In the last 30 days, the app was downloaded 3.5 thousand times.

User Ratings

Atomic Time - NTP Clock Sync is rated 4.94 out of 5 stars. The rating is based on 4.3 thousand ratings.

App Information

Atomic Time - NTP Clock Sync is FREE to download. The APK download size is 965.80 kB. The latest version available is 1.10.2. The last update was on August 12, 2025.

Technical Requirements

Atomic Time - NTP Clock Sync requires Android 4.1+ or higher. The app has a content rating of Everyone. The app has been available on Google Play March 2021.

Description

Step into the world of unparalleled accuracy with Atomic Time, the premier clock app. It redefines the standard for timekeeping by providing users with the most accurate time, meticulously synchronized with global NTP servers. Witness the essence of time through our elegantly minimalist analog display, beautifully paired with a crystal-clear digital clock beneath.

Especially valuable for enthusiasts and professionals alike, Atomic Time serves as a trusted reference for checking the accuracy of watches and setting them to the precise second. Crafted for simplicity and readability, this app is the definitive choice for anyone who values precision and style.

- Elegant Design: Enjoy a minimalist graphical analog clock along with a digital display, crafted for optimum clarity and aesthetic appeal.

- Customizable Themes: Personalize your clock with multiple color schemes such as Light, Dark, and Black (optimized for OLED displays). Dive into a world of color with variations like Warm Blaze, Pink Candy, and Bluebird to match your mood or decor.

- Time Server Selection: Choose from a wide array of time servers to sync with, ensuring you always have the fastest and most reliable connection.

- Sound & Display Settings: Customize your app with options to turn sound on or off, keep the display active, and select your preferred second hand animation – tick or sweep.

- Lightweight & Fast: Atomic Time is designed to be both fast and light, ensuring minimal impact on your device’s performance.

Recent changes:
- fixed layout crop
- fixed large offset display

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More data about Atomic Time - NTP Clock Sync

Price	Free to download
Total downloads	180 thousand
Recent downloads	3.5 thousand
Rating	4.94 based on 4.3 thousand ratings
Ranking	Not ranked
Version	1.10.2
APK size	965.8 KB
Number of libraries	9
Designed for Android	4.1+
Suitable for	Everyone
Ads	NO ads

App Performance Report

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Alternative downloads for the Atomic Time - NTP Clock Sync app

Atomic Time - NTP Clock Sync compared with similar apps

Common keywords of similar apps

Sync Server Synchronized World Minimalist Crafted Color Light Ensuring Sound Fast Fixed Time Clock Atomic Display Ntp App Accurate Accuracy Servers Analog Digital

Keywords missing from this app

Watch Screen Smart Weather Experience Device Face Wallpaper Utc Phone Set Features Date Neon Live Widget Wallpapers Designed Wear Os Smartwatch Seconds Hour Clocks Users Recent Displays Led Style Customizable Show Battery Timekeeping Exact Information Full Designs Background Devices

Google Play Rating history and histogram

Rating history

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4.1K

170

Downloads over time

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Atomic Time - NTP Clock Sync has been downloaded 180 thousand times. Over the past 30 days, it averaged 120 downloads per day.

Changelog of Atomic Time - NTP Clock Sync

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Developer information for Thomas Wiegold

Thomas Wiegold

contact@atomictime.app

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Comments on Atomic Time - NTP Clock Sync for Android

★★★★★ William · Mar 30, 2026

Unlike the Atomic Clock app, this app isn't loaded with ads, trackers, and DRM, and they don't try to charge you for an NTP server they don't even run or have to pay for, unlike Atomic Clock.

★★★★★ Andres Lobo · Jun 23, 2026

Simple and elegant. Thanks for making this App. Perfect for syncing my watches and clocks to atomic accurate time :)

★★★★★ Keith · Jul 12, 2026

Great app for setting the correct time on your analog clock

★★★★★ Husain Yusuf · Dec 3, 2025

Thanks. I wish that there will be option to sync the time with Casio watch. Otherwise the time is very accurate.!!

★☆☆☆☆ Teklu Abayneh · Dec 10, 2025

This app sucl it's just clock it does not sync

★☆☆☆☆ nageshwar rao adhikarala · Jul 15, 2026

Neither showing in widget nor setting anywhere.

★★☆☆☆ Rinus lepro · Apr 1, 2026

Unfortunately not possible to adjust the time of the device according to the correct time.

Google Play Rankings for Atomic Time - NTP Clock Sync

This app is not ranked

Technologies used by Atomic Time - NTP Clock Sync

3 permissions · 9 libraries

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Trust & Safety: Trust/Safety: Requires INTERNET for NTP synchronization and READ_EXTERNAL_STORAGE; includes DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION. No additional sensitive permissions beyond standard usage.

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