Services I paid for no longer work

I paid ages ago to be able to track new and lost followers and it no longer allows me to access that list. I have contacted the app twice for help and no response.

The app says they had to disable these features now. So I want my money back.

Jennygotguns about InsTrack for Instagram - The Most Powerful InstaFollow Tool for Tracking Instgram Followers, Unfollowers, Best Friends, Ghost Users Plus More, v2.3.6