We're sorry that you're experiencing this type of issue. Please check your internet connection and update the app to the latest version. You can also restart your device and log into the app again; or contact Google Play or Apple Store (our payment processing providers) to check that your account is active.
If the above three steps don’t work, please contact our customer service by logging into the app and proceed as follows:
1. Go to “message”
2. Click on “customer service”
3. Click on “Cannot buy coins”
4. Please fill out the required form.
You can also send an email to firstname.lastname@example.org and provide us your phone model and OS version.