Atomic Time - NTP Clock Sync Android

Reviews of Atomic Time - NTP Clock Sync

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

Total ratings

4.83 (Rating count: 4,891)
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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: 4.50
All time rating average: 4.83
Upgrade to see all 133 reviews
5 star
83% (110)
4 star
8% (10)
3 star
2% (2)
2 star
3% (4)
1 star
5% (7)
DateAuthorRatingComment
2026-09-16
Da*****
not accurate
not accurate
2026-09-14
Si*****
I've been using this for years. Simple and straightforward.
I've been using this for years. Simple and straightforward.
2026-09-11
Sa*****
classical app
classical app
2026-09-09
*****
works excellent well worth a few bucks. thank you
works excellent well worth a few bucks. thank you
2026-09-04
Jo*****
Nice no-ad app. Useful to set and measure the accuracy of timepieces. You can see how well it works by installing it on several devices and comparing the time shown across devices. The Atomic Time display on all devices will be in-synch while there will be seconds of variability for system time displays. This is a High Quality App. Very clean. A real gem. Thanks! Please do not change a thing.
Nice no-ad app. Useful to set and measure the accuracy of timepieces. You can see how well it works by installing it on several devices and comparing the time shown across devices. The Atomic Time display on all devices will be in-synch while there will be seconds of variability for system time displays. This is a High Quality App. Very clean. A real gem. Thanks! Please do not change a thing.
2026-09-04
Pa*****
It is an extremely accurate clock. Do one thing well I guess. Highly recommend.
It is an extremely accurate clock. Do one thing well I guess. Highly recommend.
2026-09-02
Pa*****
good, straightforward app, like the clock display.
good, straightforward app, like the clock display.
2026-08-31
Wi*****
Simple and does its jobs.
Simple and does its jobs.
2026-08-25
ma*****
works, no ads, free
works, no ads, free
2026-08-24
Kl*****
Useful tool, while not having many applications.
Useful tool, while not having many applications.
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