More than 300 scores for recorder totally free, so you can practice fingering.
Includes songs and scores of all kinds, such as Christmas carols, hymns, pop songs, rock, soundtracks, popular songs and a long etcetera
The app does not need a connection to work and has a melody search engine.
The sheet music for the recorder that it includes are available from the beginning totally free, without in-app purchases or anything like that.