JuggernautAI is an AI strength-coaching app from Juggernaut Training Systems that builds a fully individualized powerlifting or powerbuilding program for you — and adjusts it after every workout based on your feedback.
Juggernaut has coached everyone from beginners to world champions since 2009; JuggernautAI packages that coaching brain into an app. Tell it about yourself and your goals, and its proprietary algorithms determine the right training volume, frequency, periodization style and exercise selection, targeting your weak points. Every session, the system learns from your performance and feedback — how hard sets felt, what you actually lifted — and recalibrates what comes next, like a coach watching every rep. Around the programming sits a full toolkit: a library of 300+ exercises with technique videos and cues, a Meet Day Advisor that calculates your competition attempts, warm-up planners, plate math and RPE calculators, plus a private community and weekly video Q&As with Juggernaut coaches. The site displays a 4.9 average across the App Store and Google Play.
The system is competition-aware: tell it your meet date and it will structure hypertrophy, strength and peaking phases of any length from four weeks upward so you peak on the platform, while day-to-day it offers programs from two to six training days per week. An in-depth history view tracks hundreds of data points about your training, so the longer you use it, the more precisely the recommendations fit your recovery and progress.
JuggernautAI costs $34.99/month or $349.99/year, starting with a 2-week free trial. Plans include the full program, exercise library and community access.
JuggernautAI is for powerlifters and serious lifters who want expert-level, adaptive programming without paying for a full-time coach — from first meet prep to world-class totals.