With a purchase of a KOHO Essential and KOHO Extra plan, the subscriptions will auto-renewal until you cancel it. For example, if you paid for a KOHO Extra subscription with the annual payment plan, it will renew at the end of the one year period.
If you would like to cancel your plan, you will need to cancel it before the end of the current subscription period. To cancel your subscription, please do so in-app and follow the instructions here.