arc vs juggernautai
the short answer.
juggernautai writes adaptive powerlifting and powerbuilding programs that adjust off your rpe feedback, for $34.99/mo. arc builds you a made-for-you program and walks you through every set, for free. juggernaut is for competing, arc is for starting.
feature comparison.
why arc.
juggernautai is serious software for serious powerlifters, written by people who coach the sport. it also asks you to rate every set by rpe, which is hard to do honestly before you know what a real set of 8 feels like. arc asks what you're training for and what equipment you've got, then hands you the program and walks you through each set. free, and no rpe homework.
how juggernautai differs.
juggernautai builds individualized powerlifting and powerbuilding blocks that adapt in real time to your reported effort and recovery, with the analytics to match. it's aimed at people chasing a bigger squat, bench, and deadlift, and it costs $34.99/mo.
the bottom line.
if you're training for a powerlifting total and you speak rpe, juggernautai is one of the best tools there is. if you're still learning the lifts and want a program built for you at no cost, that's arc.