iMovie is a film editing software kinda like photoshop. iMovies develpers is Apple Inc. and is sold by apple.
GarageBand is new way to make music without having to spend millions of dollars on a studio why not spend maximum up to 900 dollars on a Mac,iPad iPhone and even a iPod.
Freeze frames is one of the things we also learned using iMovie. What you can do with freeze frame is basically having the ability to stop a film or photo to focus or capture one particular shot in video