Can I switch between Monthly and Yearly?

Yes, at renewal. Cancel the plan you have in Google Play (see How do I cancel?). Everyone keeps learning until it ends. Then tap Renew subscription in Araw and choose the plan you want, Lifetime included.

More on this topic

• What plans are there, and what do they cost?
• Is there a free trial?
• How do I use the code from Joann's book?
• My book code isn't accepted
• How do I cancel?
• What happens when the plan ends?