Bank transactions and purchases are managed by the Apple App Store or the Android Google Play Store.
If you're unable to purchase FlashNotes on the happn store, please close the application, restart it, and try again later. This problem is usually temporary. Please make sure that your bank information on your iTunes, or Google Play account is correct.
If the problem persists, please contact Customer Service via the contact form in the “Need help?” > “Contact Us” tabs.
Please enter the details of your request. Someone from our support team will get in touch with you as soon as possible.
Thank you for contacting us. We will do our best to reply as soon as possible.