Flex AI Workout Trainer & Log vs LiftMax

Flex AI is the world’s first true AI personal trainer — built for lifters who want to train smarter, progress faster, and perfect their form. Whether you’re chasing size, strength, or consistency, Flex uses real-time AI to guide every rep, adjust your program, and keep you motivated through challenges, leaderboards, and streaks. - Your AI Coach, Every Rep Personalized workouts built automatically by AI personas that learn your goals, history, and preferences. Real-time form feedback powered by patented computer-vision AI — get instant corrections on squats, bench, deadlift, rows, and more. Adaptive progression and deloading backed by sports-science principles — no spreadsheets, no guesswork. - Train Smarter — See Results AI tracks your strength curve and increases weight when you’re ready. Visual progress graphs show PRs, volume, and recovery trends. Track sets, reps, and tempo with a tap — or automatically with Apple Watch. - Stay Motivated & Connected Join a global community of lifters. Compete on leaderboards, build streaks, and earn badges. Post progress photos, celebrate milestones, and share results. - Accessible to Everyone Free to start with all core features included. Upgrade anytime for advanced AI coaching and premium analytics. Designed for all experience levels — from beginners to pros. - Why Flex AI Real-time AI form feedback (patented) Adaptive, science-based programming Progress tracking & recovery insights Gamified streaks + leaderboards Apple Watch integration Built for hypertrophy & strength goals Start Training Smarter — Today Download Flex AI and experience personal training powered by real AI. Perfect your form. Unlock your best lift. Train smarter — free on iPhone + Apple Watch.

Most training apps are a logbook. You write down what you did, and deciding what to do next is still your problem. LiftMax does that part for you. Log your sets, and it works out the weight, sets and reps for your next session from your own history — then adjusts as you go. For free! HOW IT DECIDES Every set you log updates an estimated one-rep max for that exercise. Prescriptions come off the trend across recent sessions rather than a single good day, so one heavy session doesn't send the next one somewhere you can't follow. It also learns how you rate effort. Reps-in-reserve judgement is a skill, and most lifters under-rate what they have left — which quietly drags every prescription too light. LiftMax measures your personal bias and corrects for it. Come back after time off and it backs the load off rather than picking up where you left it. BUILT FOR THE GYM, NOT THE SPREADSHEET • Weights land on loads you can actually build — prescriptions are rounded down to a sensible step for that equipment, never a number you can't make • Tell it when a lift has hit the top of the rack or the last pin, and it stops prescribing past what the equipment holds • Warm-up sets calculated before your first working set • Over 200 exercises, with your own additions alongside them • 18 routine templates — body parts, splits, or built around the equipment to hand • Per-exercise overrides when the standard progression doesn't suit a lift • Track personal bests and goals, and see where a lift sits against general strength standards • Log past workouts you did away from the app • Kilograms or pounds YOUR DATA STAYS YOURS No account. No sign-up. No ads. Everything you enter — your profile, workouts, routines and history — is stored in a database on your own device. There is no server holding your training history, because there is no server. Back up to your own iCloud if you want to, so a lost or replaced phone doesn't mean starting over. It goes to a private folder only LiftMax can see, in your iCloud — nothing is uploaded until you turn backup on, and you can encrypt the backup so nobody but you can read it. Erase everything from within the app whenever you want. Anonymous crash reports are sent to help fix bugs. They contain technical diagnostics only — never your training data. Details in the privacy policy. MADE FOR LIFTERS WHO WANT A REASON Every prescription is derived from your logged work. If you want to know why a number came out the way it did, the inputs are yoursand they are all on the screen.