Flex AI
verifiedFreemiumflexfitnessapp.com
AI personal trainer app for iPhone and Apple Watch that builds custom workouts and gives real-time lifting form feedback.
What it does
Flex AI is a fitness app for iPhone and Apple Watch that acts as an AI personal trainer. It generates fully personalized workouts based on your history, recovery, and goals, gives AI-powered form feedback on lifts, and automates progressive overload. It also adds social features, leaderboards, challenges, and workout-tracking tools.
Core features
AI-generated personalized workouts
AI form feedback on lifts
Automatic progressive overload
Muscle recovery tracking
Apple Watch integration and plate calculator
Social sharing, leaderboards, and challenges
Routine importer and custom exercises
Best for
→Get daily personalized workout plans
→Fix and improve lifting technique
→Progress strength automatically
→Track workouts from your wrist
Reviews
Big-picture takes: what it's for and whether it delivers. High-engagement YouTube videos — not sponsored.