FilmProps-Equipment let's you enter all the equipment you need for the big day when you have to have all the Cameras, Microphones, Cables, Records and more.

After you enter in all of your equipment, you can do an initial inventory and check off all the equipment you have.
Then when you are about to do you r shoot. (a day or two before) You do a Double Check to insure that everything is still available.
If not then you have some time to get the things that are missing.

This app is in the FilmProps line of Apps.