If you want to go the app route, there are indeed quite a few apps made for this purpose. I've come across several but can't outright recommend one. A search fo

If you want to go the app route, there are indeed quite a few apps made for this purpose. I've come across several but can't outright recommend one. A search for "wedding photo app" will give you several results. Downside: getting everyone to download the app, learning curve of a new app. You could also go the "hashtag route", where they can share the photo in the method that they're already accustomed to, and include the hashtag you choose. From there you can use a photo aggregator to search for the photos. Downside: not as private as an app, possibly not as thorough as an app Shameless plug: the web app in my profile is an aggregator, finds photos by hashtag, collects them into one gallery.