Callback Reminder

There are situations when you cannot pick up the phone, although you see that someone's calling you. You may hang up, but how you'll manage to call back all the persons, whom called you whilst you were busy? Don't bother, with Callback Reminder you will be able to set notifications to call back with one single tap.

Features of full version:
- End call
- Start service with system boot
- Boot persistent notifications
- Easy management of notifications
- One-tap reminder time chooser
- Send SMS that you'll call back later
- Custom notifications sound
- Tool to customize button position
- Tool to create your own button
- No ADs

NB! There might be issues with different phone models, please check with lite ( https://play.google.com/store/apps/details?id=com.nniwcyb.lite ) or trial version ( https://play.google.com/store/apps/details?id=com.nniwcyb.trial ) first.