All billing for the iOS version of Concepts is handled directly by Apple. A receipt is typically emailed to you within three to five days of a purchase. If you don't receive an email, you can find your receipt in the App Store.
- Open the App Store on your device.
- Tap your profile icon in the upper-right corner.
- Tap your name at the top of the screen.
- Scroll down and tap Purchase History.
- Find the Concepts purchase and tap the Total Billed text to see details.
- Tap Resend to have a new receipt emailed to you.