Support
Get in touch.
One person reads these, usually within two working days. The more you tell me about your iPhone model and what the app did, the faster I can fix it.
Two things I cannot do from here
Refunds and cancellations go through Apple, not me — use reportaproblem.apple.com to request a refund, and Settings → your name → Subscriptions to cancel. If you lost Pro after changing device, tap Restore in the app's settings first.
Prefer email?
Write to karlieeski+studfinder@icloud.com. The app's Settings screen opens a pre-filled message with your device details already attached, which saves a round trip.