DCF77 Emulator

Contains ads
4.7
567 reviews
10K+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image

About this app

Attention: There are a lot of people this application requests, so it's made. But there is no environment that a maker tests. Operation guaranteed won't be done.

Note
It can not correspond to the atomic clock. Please adjust the NPC time with other apps.
Correspondence in this application is not planned.
We will receive more emails requesting radio clocks from other countries, but since you can not create it without materials, please attach the clear material you need.

How to use
Place headphone speakers by the atomic radio clock's internal antenna, with the volume as high as possible before it starts to distort. Or, place the clock’s internal radio antenna as close as possible to the smartphone speaker. Again, with the volume as high as possible before it starts to distort. When time sync receive mode is active, the clock will sync within 2 to 3 minutes.
Updated on
Dec 5, 2023

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.
No data shared with third parties
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No data collected
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Ratings and reviews

4.7
541 reviews
Szlama Attila
April 1, 2024
Great! After 2 minutes of transmission the clock synchronises the time. Full signal strength on high volume. It's not the audio I think rather the induction of the speaker coil.
1 person found this review helpful
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Vladimir Suhov
September 13, 2022
Took some fiddling to find proper positioning of the phone speaker against the watch (the only headphones I have didn't work at all), but then it just worked! Pure magic of an app. I live quite a bit outside the tower's coverage area and in a large city with lots of tall buildings around and tons of RF noise so getting my watch to sync has been a constant pain in the back. Not anymore. Thank you very much!
1 person found this review helpful
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Pedro Almeida
December 9, 2021
This is awesome and WORKS!!!!!! (Used a Tab Active and the clock was set after two minutes). Tried changing timezones and it set everytime with no issues. Too bad I live in PT and there is no WEST timezone. Perhaps an option to put an offset would be easier to do than listing a lot of timezones. Even if on a paid, ad-less version, for instance!! I'd buy it instantly!!
5 people found this review helpful
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What's new

Changed target SDK version