Dear,Tahnk you for your support!We offer a free trial for three days, then we charge an upgraded version per week / year. If you want to unsubscribe，according to the Private Policy of Apple, developers are not allowed to access to your subscription management. So you need to do unsubscription by yourself. And you can cancel the subscription on your phone via (System Settings ->iTunes & App Store ->Click your AppleID and choose View AppleID->Subscription->Find QR Reader App and do Cancle Subscription operation), then you can manage your subscriptions on your iPhone settings directly. And if you wang to refund. According to the Private Policy of Apple,developers are not allowed to access to your subscription management，so you need to contact to apple team if you want to get back your money.you can login your Apple ID in Apple official website: https://appleid.apple.com to manage your purchases and request a refund for Apple.Here is the Refund Guidence for Apple Support: https://support.apple.com/zh-cn/HT204084Welcome to contact us ,our eamil : iosmobilecontact@gmail.comhope it helps you.Best Regard.

"Dear, We are QRCode Team. Thank you for your contact.Our QR code reader can scan and create most qr code or barcode. I'm so sorry our app takes you such a bad scan experience .If you can't scan successful, please make sure the following situation:1.Due to the special nature of barcodes, you need to place the barcode in the middle of the phone's scan frame when scanning.2.Make sure the scanning environment is well lit.3.Make sure the scanned code is wrinkle free.We will improve the success rate of our product scanning code for different situations. If convenience, can you share us the detail where it does not work ?or can provide your code that we can help you find the issue why it does not work and we can add more scan types to provide better service for your customer.Please note: Our QR code scanner can only scan the content on the code, it cannot control whether the content after clicking the link meets your requirements.If the scanned content or the content of the web link does not meet your expectations, please contact your scanned QR code provider.Thank you for you suggestion~ Our email: iosmobilecontact@gmail.com hope it helps you. Best Regard.❤️"

Dear,Tahnk you for your support! sorry for respond so late for we are in holidays these days.We offer a free trial for three days, then we charge an upgraded version per week / year. If you want to unsubscribe，according to the Private Policy of Apple, developers are not allowed to access to your subscription management. So you need to do unsubscription by yourself. And you can cancel the subscription on your phone via (System Settings ->iTunes & App Store ->Click your AppleID and choose View AppleID->Subscription->Find QR Reader App and do Cancle Subscription operation), then you can manage your subscriptions on your iPhone settings directly. And if you wang to refund. According to the Private Policy of Apple,developers are not allowed to access to your subscription management，so you need to contact to apple team if you want to get back your money.you can login your Apple ID in Apple official website: https://appleid.apple.com to manage your purchases and request a refund for Apple.Here is the Refund Guidence for Apple Support: https://support.apple.com/zh-cn/HT204084Welcome to contact us ,our eamil : iosmobilecontact@gmail.comhope it helps you.Best Regard. ❤️