Flex AI Workout Trainer & Log

Description

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.

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.

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.

Join a global community of lifters.

Compete on leaderboards, build streaks, and earn badges.

Post progress photos, celebrate milestones, and share results.

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.

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.