Refunds are handled by Apple or Google, not by Hiya Spam Blocker directly.
Visit reportaproblem.apple.com and sign in
Select "Request a refund"
Choose your reason and select the Hiya Spam Blocker purchase
Open the Google Play Store
Tap your profile icon → Payments & subscriptions → Budget & history
Find the Hiya Spam Blocker charge and tap Report a problem
June 4, 2026 - All versions