Freedome is using lots of phone battery

Dear @Migge

For general battery drain issue, suggestions that work so far are resetting app permissions and clearing partition cache. 

For F-Secure FREEDOME VPN app, you can try to clear app data and cache (for F-Secure FREEDOME VPN) to check if that helps. You can also reinstall F-Secure FREEDOME VPN or even remove the program to monitor few days to check whether battery drain still happen.