Rather than jets, the Martin jetpacks uses twin ducted fans powered by a V4 engine.
Subscribe to Tomorrow Daily: Discuss: Deep dive: jetpacks, Blizzcon 2015 and Captain..
There’s also the Hoverboard and jetpack, if Flyboarding doesn’t satiate your daredevil-eque needs.
Fireproof’s Omega Agent will run you that $9.99, but you do get to fly with a jetpack, so your call.