Since upgrading to 1.1.0 my storage use has jumped to 2.42 GB on my phone from previously being about 350 MB.
If you have enabled the track artists, the extra data is for all the track artist images and bios!
When I enable track artists my artist count jumps from ~650 to ~2300. For every single one Serento tries to get an artist image from the internet. That’s 500 MB to a 1GB depending on the image size. Your library is bigger so more than 1 GB.
Hope this helps.
Lorin.
Nah - That was BEFORE I added the Track Artists - I’m at 3.25GB after adding those in! 