Flex AI Workout Trainer & Log vs Working Sets

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.

Keep your focus on the next set. Working Sets is a strength training tracker built around how you work out. Create your own routines, log your sets, and see your progress in a clean interface that’s easy to use between lifts. • Make it your workout. Build custom templates with your own exercises, sets, and rest times. Track warm-ups, working sets, drop sets, and myo-reps, pair exercises into supersets, and change the order when your plans change. • Focus on the set you’re doing. See your current exercise, reps, and weight clearly, with generous tap targets and rest timers that keep your session moving. • Know what to aim for. Get weight and rep suggestions based on your recent performance and workout history, helping you decide when to push a little further. • See your progress adding up. Review personal records and exercise highlights after each workout. Browse past sessions and see your training consistency at a glance with the workout calendar. • Train from your wrist. Start a workout, adjust reps and weight, log sets, and manage your rest on Apple Watch. Completed workouts sync back to your iPhone. • Keep your workout within reach. Check your schedule or last session with Home Screen widgets, and follow your active workout with Live Activities. Spacious layouts on iPhone Duo and iPad show your exercise list alongside your current set. • Make it feel like yours. Choose your workout days, week start, rest times, weight units, accent colour, and app icon. Connect to Apple Health to save workouts and use your health data, with no wearable required. Health integration is optional, there’s no account to create, and there are no ads. On supported devices, AI insights are generated on-device. Go further with Working Sets Premium: • Set weekly workout commitments and follow your progress towards them. • Compare sessions with detailed workout analysis. • Assign muscle groups to exercises and see where you’re focusing your training. Premium is available monthly or yearly. [Terms of service](https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)