Way more than that.
- requires crazy permissions like user location
- wallpapers are in a publicly accessible s3 bucket
- profit split for wallpaper creators is 50/50 which is worse than most app store splits
- most of the creators actually seem to be current MKBHD employees
- app is either built from a template or an old app that they bought
Source: https://youtu.be/prZ7ZfdFrNs