AtomicClock: NTP Time

Name: AtomicClock: NTP Time
Availability: InStock
Rating: 4.75159215927124 (16772 reviews)
Author: Timo Partl

Timo Partl

Contains adsIn-app purchases

4.8

16.8K reviews

500K+

Downloads

Everyone

About this app

Ever wanted to know exact current time to celebrate someone's birthday or New Year's Eve? Or simply to synchronize clocks? AtomicClock provides the accurate time from NTP servers which are getting the time directly from atomic clocks!

• current precise time in correct time format
• analog & digital clock
• choose from different time servers or add own ones
• customizable widget with time & date
• acoustic ticking & fluid second hand
• choose between different clock faces
• switch between local time and UTC, 24-hour and 12-hour clock
• sync your physical watches & clocks
• technical info like round trip time or stratum
• Greenwich Time Signal

AtomicClock: The most accurate time on Android.

Updated on

6 Jul 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.

This app may share these data types with third parties

Location, App activity and 2 others

This app may collect these data types

Location, App activity and 2 others

Data is encrypted in transit

Data can’t be deleted

Ratings and reviews

4.8

15.6K reviews

Diane Esbeck- Nichols

7 September 2020

I opened the screen on my app and found it running quickly, date, hour minute and second just doing its job. I love the dark back drop for easy reading, especially when I have just woke up and also because my photophobia can be upset by a too- bright screen. (That's a thoughtfulness other apps could learn from you.). I would like to add that while some folks can only read digital time, you offer a face clock as well. If you offered a calendar/alarm clock I could get rid of 2 other apps.

21 people found this review helpful

A Google user

25 November 2019

I installed and tested more than 2doz clock apps to find the best one. This one is head and shoulders above the rest. I love everything about it. The numbers on the digital clock are large and easy to read. Love being able to customize the analog clock with different faces/numbers (or no numbers) and hand styles, fluid or ticking seconds hand and different clock colors to make it easier to read. Ads are not intrusive. Worst thing is not having enough characters to say all of the things I love...

59 people found this review helpful

Timo Partl

25 November 2019

Thanks so much for your nice review Richard! I am so happy you enjoy the app that much. Your kind words brightened my day :)

SimbiAni Love

8 March 2022

This app is nearly close to perfect for what I was looking for, basically a simple clock widget with seconds & a customizable date option. But after adding a widget, you cannot edit it; you can only create a-whole-nother one if you want to change anything like the font or date. Plus, I paid for Pro for the extra settings, & the fonts included in the app are not available for the widget(?). Also the widget could use a background option, either an image (custom or not) or color, with transparency.

15 people found this review helpful

Timo Partl

8 March 2022

I am sorry about the disappointment. An option to edit widgets has been added for Android 12 and newer. You can easily remove the old and create a new widget on older Android version. Due to technical limitations, only a few fonts are possible for the widget. If you want, I can refund your purchase.