Reviews of Atomic Time - NTP Clock Sync

By: Thomas Wiegold App

List of user reviews and ratings for Atomic Time - NTP Clock Sync

Total ratings

4.94 (Rating count: 4,686)

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Review summary

Users praise Atomic Time for accurate, easy-to-use time display and reliable performance. The app stays true to its simple, single-task purpose of showing current time and helping users resync watches or clocks. It is ad-free and free from paywalls, with lightweight use and useful options like NIST syncing and an audible tick. A common request is for a home screen widget. While most reviews highlight strong reliability, some note occasional minor timing variances rather than perfect accuracy.

Pros

Accurate time display across reviews (precise current time)
Simple, reliable, single-purpose design that does one job well
Ad-free experience with no paywalls
Easy to use and great for resyncing watches/clocks
Optional features like NIST time sync and audible tick for checking sync

Cons

Lacks a home screen widget; users have requested widget support
Occasional minor timing variances; not guaranteed perfect accuracy

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User Reviews

Recent rating average: 4.10

All time rating average: 4.94

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4% (5)

Date	Author	Comment
2026-08-11	Ab*****	I wish the logo icon used for the app would have black/dark background.
I wish the logo icon used for the app would have black/dark background.
2026-08-05	Hu*****	Amazing and fantastic application
Amazing and fantastic application
2026-08-05	Ем*****	Lies that it syncs to the custom server. I wanted to use it to diagnose a custom NTP server but it doesn't seem to synch with it at all. Instead it takes time from whatever public server it decides and insists it is the time from the custom server.
Lies that it syncs to the custom server. I wanted to use it to diagnose a custom NTP server but it doesn't seem to synch with it at all. Instead it takes time from whatever public server it decides and insists it is the time from the custom server.
2026-08-02	Ch*****	Excellent app
Excellent app
2026-07-30	Do*****	works good.
works good.
2026-07-26	Ma*****	Works as expected. I mean, it's an atomic clock app... 🤪
Works as expected. I mean, it's an atomic clock app... 🤪
2026-07-20	Zo*****	Awesome and Nice perfect
Awesome and Nice perfect
2026-07-18	ri*****	great timer
great timer
2026-07-17	Ch*****	easy to use.
easy to use.
2026-07-15	na*****	Neither showing in widget or setting anywhere.
Neither showing in widget or setting anywhere.