Cinemagraph Pro for iOS licenses used to be available on the App Store.
If you previously purchase a Cinemagraph Pro for iOS license, it'll be connected to the Apple ID associated with the purchase. As long as you're signed in to your iOS device with the Apple ID associated with the purchase, you should have access to the licensed software.
If you're unable to remove the watermark from the app, select Restore Purchase under the profile tab to connect to the App Store.
If you're unable to restore your purchase, follow the steps outlined in Unable to Remove Watermark from App Purchased on App Store to troubleshoot.
Note: If you purchased a Mobile, Professional, or Business plan, visit Getting Started with a Plan.