This is "Cuckoo Clock".
When this app running, Cuckoo sing every hour and every 30minutes.
When you want hear Cuckoo Singing, press the switch button inside of bottom.Cuckoo Singing about 30 Hour. If you don't need Cuckoo, please switch off again.

You can change Alarm mode and Custom. And can buy add-on for additional sounds, background images also remove Ad.

App URL scheme is:

What’s New

Version 4.0

Support iOS15 with workaround...
Please check "Settings" > "Notification" > "Cuckoo", Enable "Notification Center", Disable "Lock Screen" and "Banners".

Ratings and Reviews

4.4 out of 5
8 Ratings

8 Ratings

Yoo Jin ,

The best app to keep track of time

I love the fact that cuckoo goes off even when the app, is not launched. Keep up the good work!

WoolieBoysDad ,

The BEST free cuckoo app!

I've tried them all, and this app is near perfect if you want a cuckoo announcement on the hour and half-hour even when the app isn't running.

The interface (backgrounds) could use a little improvement, and you can't add your own audio/cuckoo sound, but for me this app is ideal.

MultiDeviceUser ,

Wasted my time and 0.99

Apparently the app does not make any sounds unless you have it open and as the active app.

App Privacy

The developer, Toshihiko Tambo, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Data Linked to You

The following data may be collected and linked to your identity:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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