You certainly can!
To schedule practice reminders:
Tap Menu > Settings > scroll down and tap Reminders
Decide how often you plan on practicing & tap on the relevant option
Select your chosen days & time for your reminders
Tap Set
Note: Reminders are set locally on your device so if you use Simply Piano on multiple devices, you'll need to set up practice reminders on each device.
Have more questions?
Chat: In the app, tap on Menu ☰ > Settings > Have a Question?
Email: piano@hellosimply.com