Step 1)  Download Exif Viewer by Fluntro from iOS Appstore. https://itunes.apple.com/app/exif-viewer-by-fluntro-for/id944118456?mt=8

Step 2) Open Photos App

Step 3) Navigate to the photo, Tap on action button

Step 4) Select Exif viewer’s app extension, Tap on it. App extension would be opened and you can see EXIF Details

Step5) Tap on share button to share photo with or without EXIF Metadata (Remove metadata before sharing)

Step 6) Tap done button to dismiss App extension