Let's have a discussion about good apps for ear-training, rhythm, and theory.
Harp Column magazine had a good article on this. https://harpcolumn.com/blog/theres-an-app-for-that/ but you need a subscription to read it.
Here's another good page to peruse for ideas: https://blog.landr.com/best-ear-training-apps/
Elisa Thorn recommended this one https://apps.apple.com/ca/app/functional-ear-trainer/id1088761926
These are three of the apps mentioned in the Harp Column article.
Beat Drills
Type: rhythm practice
Clapping Music
Type: rhythm practice
Meludia Melody
Type: ear training
Elizabeth Volpé Bligh