You can view and edit your subscriptions here: https://karma.life/boxes/manage-subscription/ .
You sign in with the same account you use in the Karma app.
Once inside the portal you will see ongoing and cancelled subscriptions.
Click on Open Billing Portal at the top of the page to cancel an ongoing subscription.
Below an ongoing subscription, click Cancel plan
Confirm that you want to cancel your subscription by clicking Cancel plan
Please note! Your cancellation must be received at least 4 days before the next delivery day in order to not have a Karma box delivered to you.