You can check the paid version without any ads at the following address.
https://play.google.com/store/apps/details?id=jaeyoung.kim.grandfatherclock.pro
Do you remember the old grandfather clock?
Now memories of the grandfather clock to find the app.
Features
- Tick tock sound
- Every hour ding sound
- Half hour ding sound
Special thanks to Go-Eun Elizabeth Yi
- Minor bug fix
9Apps 4.9
