You can cancel your Rentola subscription at any time after the first 24 hours from when it was created. The initial 24-hour period allows you to explore the platform and see the available rental opportunities.
If more than 24 hours have passed since you started your subscription, you can cancel it by following the steps in this article: How can I cancel my subscription?
If you cannot find your active subscription, please refer to this article for assistance: I got charged without having an active subscription