Alternative: Movavi Video Editor
If nothing conquers you, look at Movavi Video Editor. This software outperforms both tools because it runs on both Windows and Mac. You do not suffer through the slow browser lag of Clipchamp. You do not face the strict Mac limits of iMovie. It gives you fast desktop editing, extra video tracks, and deep audio controls.
The built-in neural network automatically removes annoying background noise and isolates vocals in one click. You also get a massive store of animated intros, stickers, and cinematic titles to dress up your timeline. It simply offers total freedom on your computer.