Restore purchases
Open Calendar Cleaner, go to the upgrade or settings screen, and tap Restore Purchases. Use the same Apple ID that made the purchase.
App support
Calendar Cleaner Support
Clean up duplicate calendar events as a Pro workflow inside Contact Cleaner, with review-before-change controls for people who want fewer repeated meetings without a separate calendar-cleaner app.
Cancel or manage subscription
Apple manages App Store billing. Open iPhone Settings, tap your name, choose Subscriptions, then select Calendar Cleaner.
Before contacting support
Include your device model, iOS version, app version, and the exact action you were trying to complete.