Please check Yodel's Terms of Service for any information about usage and cancelation.
If you have a monthly subscription, you can cancel anytime by filling out the cancelation form here: https://airtable.com/shrgsJUL6QO1Wi2Z5. You can also send us an e-mail (support@yodel.io) with your support PIN.
The cancellation will come into effect when the monthly subscription would renew.