Flex AI Workout Trainer & Log vs JustLift Workout Tracker

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.

Your all-in-one workout companion for iPhone and Apple Watch. JustLift makes it easy to log, plan, and track your training — whether you're lifting weights, running, or doing HIIT. TRACK ANY WORKOUT Log strength and cardio exercises with detailed set data — weight, reps, distance, duration, speed, incline, and more. Start from a template, an empty session, or let AI build one for you. APPLE WATCH APP Control your workout from your wrist. Browse templates, start workouts, log sets, and track heart rate, calories, distance, and pace — all synced in real time with your iPhone. Rest timer haptics keep you on pace between sets. TRAINING PLANS Create structured multi-day plans (Push/Pull/Legs, Upper/Lower, Full Body, etc.) or generate one instantly with the built-in AI Plan Generator. Plans track your cycle progress and automatically queue your next workout. TEMPLATES Save any workout as a reusable template. Load it in one tap to start your next session with all exercises and sets pre-filled. PROGRESS PHOTOS Document your transformation with dated progress photos. Compare any two side-by-side to see how far you've come. AI-POWERED FEATURES AI Plan Generator builds a personalized training program based on your goals, equipment, and schedule AI workout analysis reviews your recent history and gives actionable feedback Interactive AI fitness coach for questions and guidance WORKOUT HISTORY Full history of every session with exercises, sets, weights, and reps. Edit or delete past workouts anytime. CARDIO TRACKING Track runs, walks, cycling, rowing, swimming, HIIT, jump rope, elliptical, stair stepper, and more — with live GPS distance and pace on Apple Watch. BUILT FOR LIFTERS Clean, dark UI designed for the gym Fast set logging with minimal taps Previous set values shown for progressive overload Works offline, syncs when connected Free to use. Premium ($6.99/year) unlocks unlimited progress photos, AI workout suggestions, custom plans, advanced analytics, and the AI fitness coach. Terms of Use: https://justliftapp.com/terms.html Privacy Policy: https://justliftapp.com/privacy.html