Aargh! I shot a portrait video, want to add a GarageBand track (exported to iCloud Drive/CloudApp.) Staggered that iMovie cannot handle portrait movies. :/

So folks, what's the best iOS movie editor with multiple format audio importing out there?

Bonus, the video: https://cl.ly/142g1h0Q3A1C (Macchiato doesn't yet seem to allow Movie upload.)