We have an induction cooktop and it works really well. I used to have a gas cooktop and it worked well but I wouldn't go back to it now that I have the induction. One of its features is a timer on one of the cooking plates. That's great for slo- cooking stews etc.

Hubby has a portable stove which connects to a gas bottle. That worked well but we haven't been camping for decades so it has been stored in the garage ever since. It looks like this one:

Primus Profile 2-Burner Stove