From what I do know, it's not a bad little program. I'm not on the Mac side, so naturally I have no experience with iMovie (Apple being a jealous kindergarten kid at heart).
Their software is designed around dealing with that media. it's heavily compressed and several others on here are better at wading into the details of why it's harder on the computer than most standard say mov even. It doesn't have anywhere near the breadth and depth of tools, options, and sheer code of a major *cross-media* NLE like PrPro.Īnd I'll add GoPro media isn't the easiest on the CPU. The GoPro software is built expressly to work with GoPro produced media. You're comparing completely separate software types and purposes.