The iOS and Android app stores manage all our subscriptions; so theres no way for us as the developers to cancel for you, but here are the general instructions for how to manage Apple App Store or Google Play Store subscritions

1. Open the App or Play Store on your device
2. Click on your profile / avatar and then 'mange subscriptions'
3. From there you can manage your app store subscriptions and cancel

Feel free to reach out to us if you have any more specific questions!

Here are the official Apple & Google Support docs on how to cancel

iPhone / iOS - https://support.apple.com/en-us/118428

‍Android - https://support.google.com/googleplay/answer/7018481