You may change your password in either Web or App:
By logging into the Stitcher Web App: http://app.stitcher.com/ – clicking the "settings" link, and selecting "change password". Please let us know if you have any other questions we can address.
By logging into the Stitcher Mobile App, you may change your password by going to Settings > Account. Clear the old password, type in your new password and hit Save. Your new password is set!