To unsubscribe from a free subscription
Tap your profile picture to see the library of publications you subscribe to. Select the publication you'd like to unsubscribe from.
Tap the three dots on the top right corner of the screen and select "Unsubscribe".
To unsubscribe and cancel a paid subscription
1. On your web browser, log into your Substack Account and head to your Settings page.
2. Click on the publication you'd like to make a change to.
3. Scroll to your Account actions and tap "To cancel your paid subscription, click here".
4. Tap on "Cancel my subscription" to complete the process.
Note: Your paid subscriber benefits will continue until the end of the subscription plan's billing cycle.