“Kurviger 2” is only available as subscription.
- install “Kurviger (base version)” from the play store
- then (inside the app) subscribe for pro features. ~10€/year
Technically “Kurviger1” and “Kurviger2” are separate apps, so you could have installed both.
Kurviger2 is the successor of Kurviger1 Pro and was released this year.