Every site needs at least one form. Usually it starts with a contact form, then someone asks for a quote request, then a newsletter signup, then a payment form, then a survey. Pick the wrong plugin early, and you end up running three form tools at once.
This best WordPress form builder plugins guide compares the form builders I would actually install in 2026, split by what you need them to do. I have included real renewal prices, because most form plugins advertise a 50% intro discount and then double.