The app looks good.
But…
I tried for a few days and purchased the annual subscription of 50,99 euro. Subscription confirmed by Apple, payment approved and done, mentioned as a valid subscription on my phone. But no pro features available. I reinstalled the app etc, did all the troubleshooting tips, but none solved the problem. Contacted the app support with screenshots of all the confirmations and issues but got no reply.
Hopefully support can reach out to me and assist in getting my premium subscription to work on my phone.
Update: Support contacted me to assist me in resolving this issue. Showing they care about their customers. Very professional.
Thanks for this!
Update2:
The in app subscription is active! Big compliment to the Customer Engagement Team for their help and commitment towards their customers!