Of course this is just a help article for the good order, but okay here is how to delete your Bkper account.
Cancel Subscription on Bkper
Go to the Billing Page
Press the Cancel Subscription button and confirm the cancelation.
Cancel Subscription on GCP
If you have subscribed to a paid plan through Google Cloud Platform, go to https://console.cloud.google.com/marketplace/details/bkper-public/bkper.
Select the project on the top left corner through which you are billed for Bkper. Scroll down to the Features and pricing grid and click Change in the Bkper Free tier to unsubscribe.
To delete recorded data from Bkper, it is enough to delete books. Before deleting a book make a backup with the Bkper Add-on for Google Sheets fetching all transactions to the spreadsheet.
Google Account Access
To revoke access to Bkper go to apps connected to your Google Account
Select Bkper from the list and click Remove button
By doing this, Bkper will no longer have access to any data of your Google Account, recorded data is preserved on Bkper.
Cell Phone App
Do not want to use Bkper from a Cell Phone no more, uninstall the Bkper app according to the instructions of the manufacturer.
Unsubscribe from Bkper emails
Stop receiving emails from Bkper by clicking any unsubscribe link at the bottom of our emails.
In case you want/have to cancel the subscription or delete the account of someone nearby who passed away please send us an email at firstname.lastname@example.org and we will help you with the cancelation.