Restore purchases
Open Barcode Scanner, go to the upgrade or settings screen, and tap Restore Purchases. Use the same Apple ID that made the purchase.
App support
Barcode Scanner Support
Scan Code 128, EAN, Aztec, and Data Matrix barcodes in the shipped QR Scanner app — this is a searchable feature page, not a separate App Store SKU.
Cancel or manage subscription
Apple manages App Store billing. Open iPhone Settings, tap your name, choose Subscriptions, then select Barcode Scanner.
Before contacting support
Include your device model, iOS version, app version, and the exact action you were trying to complete.