Here are the steps to update your credit card details:
- Go to https://app.iwonder.com/account on a web browser
- Go the right side of the "Payment Method", click on "Change" in blue
- Enter your new credit card details and click 'Save'
You can also do this through the iwonder app on your Android phone (not available on Apple devices yet).
- On the app, go to 'Account' (lower right corner)
- Click on change on the Payment section
- Then, enter your card details