You may find information about your current subscription on your Speechify app's settings page.
To go to settings, please tap on the Profile icon 👤 at the lower right corner of the screen. Then you should see a gear icon⚙️ in the top right corner. Clicking on that takes you to Settings.
On the Settings page, you should see the following info:
Email address associated with your Speechify account
Type of subscription plan
Tap on Subscription, you should show the following info:
Date your subscription plan renews
Subscription features
Cancel option