AtomicClock: NTP Clock
1.0 1K+
v2.1.21 by Timo Partl
About AtomicClock
AtomicClock (Package Name: partl.atomicclock) is developed by Timo Partl and the latest version of AtomicClock: NTP Clock 2.1.21 was updated on June 30, 2026. AtomicClock: NTP Clock is in the category of Tools. You can check all apps from the developer of AtomicClock: NTP Clock and find 200 alternative apps to AtomicClock: NTP Clock on Android. Currently this app is for free. This app can be downloaded on Android 10.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
Need the exact time to set a watch, set a wall clock, compare UTC, or catch a moment where seconds matter? AtomicClock shows precise reference time from NTP time servers in a clean analog and digital clock display.
Use AtomicClock as an atomic clock, NTP clock, UTC clock, reference clock, or everyday precision clock when accurate seconds are important.
Core features:
• precise current time from NTP servers
• local time and UTC time
• analog clock and digital clock views
• customizable home screen clock widget with time and date
• predefined time servers and custom time server selection
• 12-hour and 24-hour modes
• customizable time format
• multiple clock faces and clock hands
• smooth fluid second hand
• acoustic ticking sounds
• Greenwich Time Signal
• technical NTP details such as round-trip time and stratum
• screen tap actions to hide info, freeze the screen, or mute ticking
• picture-in-picture mode
AtomicClock is useful for manually setting watches, wall clocks, cameras, and other devices, checking exact time before an event, comparing local time with UTC, or keeping a clear seconds clock on screen while you work.
For technical users, AtomicClock can show NTP server information so you can see more than just the clock face. Accuracy depends on the selected time server, network conditions, and device behavior.
AtomicClock is free to use. Some advanced features require AtomicClock Pro, available as a one-time purchase with no subscription.
Use AtomicClock as an atomic clock, NTP clock, UTC clock, reference clock, or everyday precision clock when accurate seconds are important.
Core features:
• precise current time from NTP servers
• local time and UTC time
• analog clock and digital clock views
• customizable home screen clock widget with time and date
• predefined time servers and custom time server selection
• 12-hour and 24-hour modes
• customizable time format
• multiple clock faces and clock hands
• smooth fluid second hand
• acoustic ticking sounds
• Greenwich Time Signal
• technical NTP details such as round-trip time and stratum
• screen tap actions to hide info, freeze the screen, or mute ticking
• picture-in-picture mode
AtomicClock is useful for manually setting watches, wall clocks, cameras, and other devices, checking exact time before an event, comparing local time with UTC, or keeping a clear seconds clock on screen while you work.
For technical users, AtomicClock can show NTP server information so you can see more than just the clock face. Accuracy depends on the selected time server, network conditions, and device behavior.
AtomicClock is free to use. Some advanced features require AtomicClock Pro, available as a one-time purchase with no subscription.
Read More
AtomicClock Features
Previous Versions
More
Variant
Arch
Version
DPI
140
July 1, 2026
AtomicClock: NTP Clock
2.1.21
(140)
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: 1a707153bcb4d605c8faffd170263be84201b394
Base APK: partl.atomicclock.apk
Split APKs: config.armeabi_v7a, config.en, config.in, config.mdpi, config.ms
Size: 7.97 MB
armeabi-v7a
160-640dpi
140
July 1, 2026
AtomicClock: NTP Clock
2.1.21
(140)
Requires Android: Android 10.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: 3932d7e0fc0b8cb0fb2950b3b50b1e9af614dd37
Base APK: partl.atomicclock.apk
Split APKs: config.ar, config.armeabi_v7a, config.de, config.en, config.es, config.fr, config.hdpi, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.zh
Size: 8.55 MB
armeabi-v7a
Android 10.0+
160-640dpi
Requires Android: Android 10.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: 9b5bfbf41d8e90705a4e3840ff5d5f79ba6814ae
Size: 8.63 MB
What's New:
• Redesigned the color picker for app and widget colors, with presets, a color wheel, and brightness control
• Pro: widget backgrounds can now be customized with color and opacity, and default widget colors follow your Android theme better
• Settings now use clearer icons to make customization options easier to scan
• Custom NTP servers now support host:port entries and better validation before saving
• Pro: widget backgrounds can now be customized with color and opacity, and default widget colors follow your Android theme better
• Settings now use clearer icons to make customization options easier to scan
• Custom NTP servers now support host:port entries and better validation before saving
Requires Android: Android 10.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: 4b224e32e4c8984bc0a9fd3b56be19fae755a0a2
Size: 8.63 MB
Variant
Arch
Version
DPI
137
April 16, 2026
AtomicClock: NTP Clock
2.1.18
(137)
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: f3843b8fcccb6011ba76dc98f41b09f08516ee1b
Base APK: partl.atomicclock.apk
Split APKs: config.armeabi_v7a, config.en, config.fr, config.mdpi
Size: 7.7 MB
armeabi-v7a
160-640dpi
137
June 14, 2026
AtomicClock: NTP Clock
2.1.18
(137)
Requires Android: Android 8.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: 47c303ed180ea0047a4f4cefd23d5b54b5ffe548
Base APK: partl.atomicclock.apk
Split APKs: config.arm64_v8a, config.en, config.fr, config.xxhdpi
Size: 4.49 MB
arm64-v8a
Android 8.0+
160-640dpi
More Information
Package Name:
Update Date:
2026-06-30
Latest Version:
2.1.21
Need Update:
Available on:
Requirements:
Android 10.0+
Report:
Safe to Download
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