To save a photo or video, go to the Album tab and tap the photo or video you'd like to download. Tap the menu icon in the top-right corner, then tap "Download".
With Premium Pro, you can download multiple photos and videos at once. Simply go to the Album tab, tap the menu in the top-right corner, and select "Bulk Download".
(For iOS devices, the maximum number of items that can be downloaded at once is 100.)
Note: When one member subscribes an album to Premium Pro, all members of that album get access to Premium Pro features.