For computers (Mac or PC): ThePhotoStick OMNI does not need to install anything on your computer, nor does it require anything to be already installed on your computer. ThePhotoStick OMNI comes with everything it needs — you simply need to plug it into an available USB slot and it’s ready to run. For phones (Android or iOS): ThePhotoStick OMNI offers a FREE app that allows you to back up, view, and organize your photos with ease. There are no monthly charges or download costs for using the app – just download it and click GO!