Atomic Clock & Watch Accuracy
9.6 1K+
v2.5.0 by Tomas Hubalek
About Atomic Clock & Watch Accuracy Tool
Atomic Clock & Watch Accuracy Tool (Package Name: net.hubalek.android.apps.atomic_clock_watch_accuracy_tool) is developed by Tomas Hubalek and the latest version of Atomic Clock & Watch Accuracy 2.5.0 was updated on August 29, 2025. Atomic Clock & Watch Accuracy is in the category of Tools. You can check all apps from the developer of Atomic Clock & Watch Accuracy and find 200 alternative apps to Atomic Clock & Watch Accuracy on Android. Currently this app is for free. This app can be downloaded on Android 6.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
This app has two main features:
- 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.
- 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.
Atomic Clock & Watch Accuracy Tool 2.5.0 Update
Release notes for version 2.5.x--------------------------------
- Made compatible with latest Android SDK (version 2.5.0)
- Improved Finnish translation (version 2.5.0)
- Added Finnish translation. Updated other translations (version 2.5.0)
- Maintenance release (version 2.5.0)
Read More
Atomic Clock & Watch Accuracy Tool Features
Related Videos
Atomic Clock & Watch Accuracy Tool (with NTP Time) Features Overwiew
Previous Versions
More
Variant
Arch
Version
DPI
20500
August 29, 2025
Atomic Clock & Watch Accuracy
2.5.0
(20500)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: 36bac6e561d30a1e9a36ecb5a0bbbbc3efed8a27
Base APK: net.hubalek.android.apps.atomic_clock_watch_accuracy_tool.apk
Split APKs: config.arm64_v8a, config.xxhdpi
Size: 14.06 MB
What's New:
Release notes for version 2.5.x
--------------------------------
- Made compatible with latest Android SDK (version 2.5.0)
- Improved Finnish translation (version 2.5.0)
- Added Finnish translation. Updated other translations (version 2.5.0)
- Maintenance release (version 2.5.0)
--------------------------------
- Made compatible with latest Android SDK (version 2.5.0)
- Improved Finnish translation (version 2.5.0)
- Added Finnish translation. Updated other translations (version 2.5.0)
- Maintenance release (version 2.5.0)
arm64-v8a
Android 6.0+
160-640dpi
20500
August 29, 2025
Atomic Clock & Watch Accuracy
2.5.0
(20500)
Requires Android: Android 6.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: 60a311d8ed575c573611f846d17a23721ed5fb1b
Base APK: net.hubalek.android.apps.atomic_clock_watch_accuracy_tool.apk
Split APKs: config.armeabi_v7a, config.xhdpi
Size: 14.02 MB
What's New:
Release notes for version 2.5.x
--------------------------------
- Made compatible with latest Android SDK (version 2.5.0)
- Improved Finnish translation (version 2.5.0)
- Added Finnish translation. Updated other translations (version 2.5.0)
- Maintenance release (version 2.5.0)
--------------------------------
- Made compatible with latest Android SDK (version 2.5.0)
- Improved Finnish translation (version 2.5.0)
- Added Finnish translation. Updated other translations (version 2.5.0)
- Maintenance release (version 2.5.0)
armeabi-v7a
Android 6.0+
160-640dpi
Variant
Arch
Version
DPI
20013
October 16, 2024
Atomic Clock & Watch Accuracy
2.0.13
(20013)
Requires Android: Android 5.0+
Screen DPI: 160-640dpi
SHA1: aa007c5c7f255be878566ffc8e0a2b0100c073b4
Base APK: net.hubalek.android.apps.atomic_clock_watch_accuracy_tool.apk
Split APKs: config.xhdpi
Size: 9.47 MB
What's New:
Release notes for version 2.0.x
--------------------------------
- Improved Finnish translation (version 2.0.13)
- Added Finnish translation. Updated other translations (version 2.0.13)
- Maintenance release (version 2.0.13)
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.9)
- Fixed rare crash while starting the app (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
--------------------------------
- Improved Finnish translation (version 2.0.13)
- Added Finnish translation. Updated other translations (version 2.0.13)
- Maintenance release (version 2.0.13)
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.9)
- Fixed rare crash while starting the app (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
Android 5.0+
160-640dpi
20013
October 16, 2024
Atomic Clock & Watch Accuracy
2.0.13
(20013)
Requires Android: Android 5.0+
Screen DPI: 160-640dpi
SHA1: e52d72ef8eb8b9a4e26896615e5873540329d8e8
Base APK: net.hubalek.android.apps.atomic_clock_watch_accuracy_tool.apk
Split APKs: config.xxxhdpi
Size: 9.53 MB
What's New:
Release notes for version 2.0.x
--------------------------------
- Improved Finnish translation (version 2.0.13)
- Added Finnish translation. Updated other translations (version 2.0.13)
- Maintenance release (version 2.0.13)
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.9)
- Fixed rare crash while starting the app (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
--------------------------------
- Improved Finnish translation (version 2.0.13)
- Added Finnish translation. Updated other translations (version 2.0.13)
- Maintenance release (version 2.0.13)
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.9)
- Fixed rare crash while starting the app (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
Android 5.0+
160-640dpi
Variant
Arch
Version
DPI
20009
March 18, 2024
Atomic Clock & Watch Accuracy
2.0.9
(20009)
Requires Android: Android 5.0+
Screen DPI: 160-640dpi
SHA1: 374a3961770f1f8be21c6be3da3f046e0a19fecb
Base APK: net.hubalek.android.apps.atomic_clock_watch_accuracy_tool.apk
Split APKs: config.xxxhdpi
Size: 9.4 MB
What's New:
Release notes for version 2.0.x
--------------------------------
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
- Fixed rare crashes (version 2.0.4)
- Fixed another login issue related to backups (version 2.0.3)
- Fixed login issue related to backups (version 2.0.2)
- Upgraded to latest version of Google's payment solution (version 2.0.0)
--------------------------------
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
- Fixed rare crashes (version 2.0.4)
- Fixed another login issue related to backups (version 2.0.3)
- Fixed login issue related to backups (version 2.0.2)
- Upgraded to latest version of Google's payment solution (version 2.0.0)
Android 5.0+
160-640dpi
20009
October 16, 2024
Atomic Clock & Watch Accuracy
2.0.9
(20009)
Requires Android: Android 5.0+
Screen DPI: 160-640dpi
SHA1: 57de97fa471516eea507ed8468fee1fd062814af
Base APK: net.hubalek.android.apps.atomic_clock_watch_accuracy_tool.apk
Split APKs: config.xxhdpi
Size: 9.38 MB
What's New:
Release notes for version 2.0.x
--------------------------------
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
- Fixed rare crashes (version 2.0.4)
- Fixed another login issue related to backups (version 2.0.3)
- Fixed login issue related to backups (version 2.0.2)
- Upgraded to latest version of Google's payment solution (version 2.0.0)
--------------------------------
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
- Fixed rare crashes (version 2.0.4)
- Fixed another login issue related to backups (version 2.0.3)
- Fixed login issue related to backups (version 2.0.2)
- Upgraded to latest version of Google's payment solution (version 2.0.0)
Android 5.0+
160-640dpi
20009
October 16, 2024
Atomic Clock & Watch Accuracy
2.0.9
(20009)
Requires Android: Android 5.0+
Screen DPI: 160-640dpi
SHA1: bb0d3ed9aa03d5c5d4e75c99a1a1398063b5f265
Base APK: net.hubalek.android.apps.atomic_clock_watch_accuracy_tool.apk
Split APKs: config.xhdpi
Size: 9.35 MB
What's New:
Release notes for version 2.0.x
--------------------------------
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
- Fixed rare crashes (version 2.0.4)
- Fixed another login issue related to backups (version 2.0.3)
- Fixed login issue related to backups (version 2.0.2)
- Upgraded to latest version of Google's payment solution (version 2.0.0)
--------------------------------
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
- Fixed rare crashes (version 2.0.4)
- Fixed another login issue related to backups (version 2.0.3)
- Fixed login issue related to backups (version 2.0.2)
- Upgraded to latest version of Google's payment solution (version 2.0.0)
Android 5.0+
160-640dpi
Requires Android: Android 5.0+
Screen DPI: 160-640dpi
SHA1: 5ffaf815ab1676372d1ba89b67dd5a6acac29923
Size: 8.77 MB
What's New:
Release notes for version 2.0.x
--------------------------------
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
- Fixed rare crashes (version 2.0.4)
- Fixed another login issue related to backups (version 2.0.3)
- Fixed login issue related to backups (version 2.0.2)
- Updgraded to latest version of Google's payment solution (version 2.0.0)
--------------------------------
- Collapsible ads can be displayed on main screen only since now. Will not be shown in nested screens. (version 2.0.7)
- Changed ads layout (version 2.0.6)
- Fixed logout related crash (version 2.0.5)
- Fixed rare crashes (version 2.0.4)
- Fixed another login issue related to backups (version 2.0.3)
- Fixed login issue related to backups (version 2.0.2)
- Updgraded to latest version of Google's payment solution (version 2.0.0)
More Information
Update Date:
2025-08-29
Latest Version:
2.5.0
Need Update:
Available on:
Requirements:
Android 6.0+
Report:
Safe to Download
APKFab.com and the download link of this app are 100% safe. All download links of apps listed on APKFab.com are from Google Play Store or submitted by users. For the app from Google Play Store, APKFab.com won't modify it in any way. For the app submitted by users, APKFab.com will verify its APK signature safety before release it on our website.