Restore purchases
Open PDF Merger, go to the upgrade or settings screen, and tap Restore Purchases. Use the same Apple ID that made the purchase.
App support
PDF Merger Support
Combine PDFs, reorder pages, and export one clean document with PDF Toolkit — the shipped parent app for this feature.
Cancel or manage subscription
Apple manages App Store billing. Open iPhone Settings, tap your name, choose Subscriptions, then select PDF Merger.
Before contacting support
Include your device model, iOS version, app version, and the exact action you were trying to complete.