Grade your lifts. Perfect your form.
Point your phone camera at yourself while you lift. CalmArms uses on-device AI to detect your pose, count your reps, and grade your form in real time.
How It Works
Three steps to better form. Every session.
Set Up Your Camera
Place your phone so it can see your full upper body. CalmArms guides you into the right position.
Follow the Overlay
A coach rig overlay shows the ideal movement path. Match it as closely as you can while you lift.
Get Your Grade
After each set, see your letter grade, rep count, and detailed form breakdown with specific tips.
Everything you need to lift smarter
Built for lifters who care about doing it right.
Real-Time Pose Detection
On-device ML analyzes 33 body landmarks in real time. No cloud processing, no lag, no privacy concerns.
A-F Form Grading
Every rep gets a letter grade based on angle accuracy, range of motion, symmetry, tempo, and consistency.
Automatic Rep Counting
Detects each rep automatically with form quality tracked per-rep. Just lift — we handle the counting.
Exercise Variations
4 exercises with 13 variations. Each has tailored scoring weights and form-issue detection.
Privacy-First
All video processing happens on your device. Your camera feed is never uploaded or stored.
Works Offline
Full functionality without internet. Sessions sync automatically when you reconnect.
The Grading System
Every rep is scored on angle accuracy, range of motion, stability, tempo, and bilateral symmetry.
90-100
Excellent form
80-89
Good form
70-79
Needs improvement
60-69
Poor form
< 60
Requires attention
Supported Exercises
4 exercises with 13 total variations. Each with custom scoring and form-issue detection.
Bicep Curl
BeginnerBiceps, Forearms
Tricep Extension
IntermediateTriceps (all heads)
Shoulder Press
IntermediateDeltoids, Triceps
Lateral Raise
BeginnerLateral Deltoids
Ready to lift with perfect form?
Download CalmArms and get your first form grade in under a minute.
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