Photosophia for iOS is now open source. It's written in MVVM + RxSwift and other libs while I'm upemployed as an iOS (Hire me!) Eventually, this app will go on the iOS App Store to eventually replace my app Photosophia version 5 (https://itunes.apple.com/th/app/photosophia-for-flickr-groups/id530161971?mt=8) which has been my iOS exericse project from the getgo.