What is the difference between saving and completing a scheduled Capption?

Simply put:

• Saving (the Floppy disk icon) means syncing the current inspection progress with the server to resume at a later time.
• Completing (the Check mark icon) means you're done with the inspection and all necessary information (answers, media, signatures, comments) is attached. You cannot change the content afterwards.

To resume a saved Capptions, go to the 'in progress' tab in the home screen (see below) and select the inspection which you wish you resume: