Membrane is a Mac & Windows app that lets you create your cover images easily.
Your license comes with 1 year free updates. Once that year is up, you can keep using the last version of Superstring you downloaded, forever.
You'll need an account to access this in our app. Please create a password to continue.
Download from the App Store or text yourself a link to the app
1. Download the trial version of Membrane. https://wittenlab.com/membrane/download
2. Launch Membrane, enter your license key in the registration dialog (Sidebar > More > Settings).