Waffl.dev

You should put this on your home screen in case it gets revoked.

BTW, if you get an untrusted developer error, go to General Settings, scroll down, then Device Management and trust the profile.

This uses jailbreaks.app API.

8.4.1-9.3.4
9.3.5-9.3.6
10.x
11.x
12.x
13.x
14.x and above (install jailbreak using trollstore)

For TrollStore devices:

14.x: Taurine

15.x, 16.0-16.5.1 (on 64e,) 16.0-16.6.1 (on 64): Dopamine