BigSEO Hocam altta birkaç bulduğum uygulama ve google ingilizce de bulduğum bir kaç link paylaşayım belki işinize yarar bir şeyler çıkar.

http://www.digitaltrends.com/photography/best-photography-apps-for-iphone-ios/
http://appcrawlr.com/ios-apps/best-paid-apps-hdr-camera
http://www.appsdose.com/2015/09/5-best-hdr-camera-apps-for-iphone.html
http://www.gadgetreview.com/10-of-the-best-camera-apps-for-the-iphone
http://www.forbes.com/sites/amadoudiallo/2014/07/15/best-iphone-camera-apps-2014/

https://itunes.apple.com/us/app/filterstorm/id363449020
https://itunes.apple.com/us/app/snapseed/id439438619
https://itunes.apple.com/us/app/pro-hdr/id347104281
https://itunes.apple.com/us/app/pro-hdr/id347104281