What should I do if the reminder doesn't work? 

You decided to set a reminder for a note, seated the date and time of the reminder, and saved the note, but the reminder didn't work at the scheduled time. Why can this happen? If you set everything correctly, but did not hear the signal, there may be two reasons:

1. The reminder worked, but you didn't hear it because there was no sound.
Go to the app's Settings tab, select the alarm sound settings section, and do the following:
If you have not heard the sound, there may be several reasons for this:
If the sound is playing normally, but the reminder doesn't work, go to step 2.
2. Your device's current settings do not allow reminders to work.
This is because some manufacturers of smartphones and other devices try to save battery power and do not allow applications from other developers to run background tasks. What you need to do:
Here you can find instructions on how to disable battery optimization for devices from different manufacturers.

Some devices may have additional settings that prevent other apps from working properly.
For example, the Redmi Note Pro device has a Game Speed Booster option that disables all background tasks to free up resources for games. Naturally, while this option is enabled, reminders will not be able to work.

And the most important thing!

If all these recommendations didn't help you, or you couldn't use them yourself, DON't write about it in the app review and give it a low rating! This will ruin the app's rating, but it won't help solve the problem! In this case, you should send us an email to m.kadykov@gmail.com indicating the model of your device. We will definitely solve the problem!
This will help you, us, and other users make the app better and more convenient!