If you wish to cancel, go to the Manage Account section of the website at least 48 hours before the subscription renewal date
Once you are there, enter the email ID that you used to purchase your Eli Test subscription. (This may be different than the login email for your app if that's how you set it up.)
Navigate to 'Manage Subscription'
Click on Cancel Subscription
Your subscription is now cancelled, and you will not be charged any further.