How do I download the Optimalprint app? You can download our mobile app by going to the Apple Store (for iOS users) or Google Play store (for Android users). The app is free to download and the same products/editing ability is possible as on the desktop version of Optimalprint. Related articles How do I contact Optimalprint? How do I upload photos from my Mac? How do I know if the order went through? Extra cards and envelopes Where can I find my tracking link?