How do I find my payment confirmation with the transaction number on my device?

If you didn't get an email with the payment receipt and transaction number, you can check it as follows:

For iOS devices:

1. Select Settings > [your name] > iTunes Store and App Store.
2. Tap your Apple ID and select View Apple ID. You may need to sign in using your Apple ID.
3. Swipe up to the “Purchase History” section and tap it.
4. Press the > icon to the right of the final invoice to view invoice details, including invoice date and order code.

For Android devices:

1. Go to pay.google.com.
2. Select "Other Purchases".
3. Tap "View Purchases".
4. Select your order to open the confirmation.

Follow the link for more information.