Adobe Lightroom gives the latest iPhones RAW support
 

Adobe has launched Lightroom 2.5 for iOS 10 with a big new feature -- support for capture and editing of RAW files in the "DNG" format. Using the app, you can take a photo with the iPhone's built-in camera(s) and save all the image data with no loss...

https://www.engadget.com/2016/09/13/...s-raw-support/