The Cingulo subscription is provided via Apple or Google, so the billing/payment information is the information of your Apple or Google account. To view or change your billing information, access the following links:
- If you subscribed via Apple's iOS:
https://support.apple.com/en-us/HT213276 - If you subscribed via Google's Android:
https://support.google.com/googleplay/answer/4646404?hl=en