AdBlock by FutureMind
https://appsto.re/my/R2AmP.i

Pay once for no ads instead of pay each time an app ask u to pay which could potentially cost more , and for peace of mind when browsing , i dont know if it works the same as purify

Fantastical 2 for iPhone - Calendar and Reminders by Flexibits Inc.
https://appsto.re/my/2GhZQ.i

My planner , easy to use