Either scam or broken
Here’s the thing guys (developer(s)), I would actually pay premium if the app was honest, at this point I won’t pay a dime because of how you try to trick consumers.
Response from developer
Hello, thank you for reaching out and notifying us about such an issue. Please accept our sincere apologies. Please send us a message from the app directly (Settings – Support) and attach the screenshots of these troublesome ads. Unfortunately, we can't fully control the ads shown, but we can detect the problematic ones and remove them from showing. Thanks in advance! Looking forward to your message, Support Team.