Any updates? I did uninstall the app twice, restarted the phone a few times, and now run it on port 1195 SHA 256.
It's better than before but still bad. Interestingly, the phone seems to drain lots energy while idle. I just had it lying around for 2-3 hours and the battery went down from about 60% to 25%. Never happened before. Battery health is excellent. iPhone 6s, iOS 13.6.1
Check out the screenshot. See how it died last night and Safari vs. TorGuard battery usage. Unheard of ...