Atomic Clock & Watch Accuracy
Atomic Clock & Watch Accuracy is made and published by Tomas Hubalek. AppBrain is an independent app data site and isn't affiliated with Tomas Hubalek. The app name, icon, screenshots and description belong to Tomas Hubalek and are shown as published on Google Play.
AppBrain's verdict
EstablishedLoved by users- Rating on Google Play
- 4.82
- 17,074 ratings
- Installs
- 480 thousand
- Last updated
- June 3, 2026
- Ads
- Contains ads
- Size
- 31.3 MB
Atomic Clock & Watch Accuracy has 480 thousand installs. Users love it: 4.8 stars from 17,074 ratings.
Summary
Atomic Clock & Watch Accuracy uses NTP time to show exact moments and enables wristwatch accuracy tracking with shareable charts.
Pros & Cons
- NTp-based time accuracy from trusted servers for precise clock setting
- Dedicated watch-accuracy tracking with charts and statistics
- Shareable charts and CSV export for collaborators
- Free core features with optional premium upgrade
- Limited display customization and widgets not mentioned
- Lacks explicit digital/analog display options or on-device timers
- No indication of multiple clocks or color themes
User feedback
Ratings and reviews on Google PlayComments on Atomic Clock & Watch Accuracy for Android
Google Play Rating history and histogram
Store listing
By Tomas Hubalek, from Google Play“Adjust your watch with Atomic (NTP) time clock and measure its accuracy”
Description by Tomas Hubalek Written by the developer, not by AppBrain. Click to read.
- it detects and shows exact time (via NTP protocol). It can be helpful if you want to sync time on some of your devices with atomic clock.
- it allows to track accuracy of your wristwatches. It can be helpful if you want to know how exact your wristwatch is. You can share this information with watchmaker and it helps him to adjust your watches properly.
Features in detail:
Atomic Time from NTP Servers
- Most accurate time on the earth is provides by Atomic clocks. To synchonize computer/phone clock with atomic clock you can use Network Time Protocol servers.
- This app is able to connect to NTP time servers and show you exact time
- There is list of NTP Time Servers (including goverment time servers like NIST Internet Time Service)
- On Android 8 you can use Picture-in-Picture function and adjust your clock according excact time shown in small window over other apps.
Watch accuracy tracking app
With this app you can
- track accuracy of your wristwatch collection (works well for both mechanical and quartz watches)
- simply tap in the app, let app know what time was shown on wristwatch and app will do all the statistics and show you watch accuracy chart
- share accuracy chart with your friends on social networks
- export your accuracy data as CSV for further processing
Free vs. paid functionality
- basic app functionality is for free. You can check exact time for free. You can track one of your watches for free.
- premium functionality is paid feature
Feel free to contact us if you find any bug and/or you want to suggest some improvement.
Recent changes:
Release notes for version 3.1.x
--------------------------------
- Note on watch list screen is no longer limited to two lines (version 3.1.9)
- Refactoring of dialogs + minor bugs fixed (version 3.1.6)
- Fixed minor UI and UX bugs (version 3.1.5)
- Fixed bugs comming from beta testing (version 3.1.4)
Safety and technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- 35
- App size
- 31.3 MB
- Content rating
- Everyone
Technologies used by Atomic Clock & Watch Accuracy
Releases
Updates seen on Google Play- Version
- 3.1.11
- Launched
- June 2018
- Jun 3, 2026UpdateVersion 3.1.11
- May 27, 2026UpdateVersion 3.1.8
- May 7, 2026UpdateVersion 3.1.4
- Dec 3, 2025UpdateVersion 2.6.0
- Jul 24, 2025UpdateVersion 2.5.0
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Installs
Tracked by AppBrain- Last 30 days
- 3.1 thousand
- Per day
- 100
- 30-day average
- Play install range
- 100+ thousand
- Launched
- June 2018
Installs over time
Atomic Clock & Watch Accuracy has been installed 480 thousand times. Over the past 30 days, it averaged 100 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for Atomic Clock & Watch Accuracy
About the app and developer
About Atomic Clock & Watch Accuracy
Atomic Clock & Watch Accuracy is a tools app developed by Tomas Hubalek.
Install Statistics
Atomic Clock & Watch Accuracy has been installed 480 thousand times. In the last 30 days, the app was installed 3.1 thousand times.
User Ratings
Atomic Clock & Watch Accuracy is rated 4.82 out of 5 stars. The rating is based on 17 thousand ratings.
App Information
Atomic Clock & Watch Accuracy is freely available from Google Play. The app size is 31.33 MB. The latest version available is 3.1.11. The last update was on June 3, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since June 2018.
App Performance Report
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