CheckNeck uses your AirPods' built-in motion sensors to track your head position in real-time. No camera. No wearable. Just put on your AirPods and let Da Vinci's geometry fix your posture.
Experience CheckNeck's posture monitoring directly in your browser. Tilt your device or move your mouse to see real-time feedback.
Every pixel follows phi = 1.618 — the same divine proportion Da Vinci used to map the perfect human body.
The logarithmic spiral derived from phi governs every curve and animation in CheckNeck's interface.
72-tick compass bezel, C1-C7 vertebrae column, and Da Vinci's golden spiral — our anatomical brand mark.
Three nested hexagonal progress rings track posture, squats, and neck exercises with neon glow feedback.
Every feature crafted with the precision of a Renaissance workshop.
Uses Apple's CMHeadphoneMotionManager to detect your head pitch, roll, and yaw with sub-degree precision. Works with AirPods Pro, 3rd gen+, and Max.
100Hz SAMPLINGLive 0-100 posture score with dynamic hexagonal rings and haptic alerts when posture dips.
HEXAGONAL UI5 adaptive daily schedules from Sedentary to Athlete with intelligent exercise timing.
AI SCHEDULINGSquats, neck rotations, and walking with real-time form detection via head motion.
MOTION TRACKEDContinuous posture tracking even when CheckNeck is in the background. Get gentle nudges when you slouch — without ever opening the app.
ALWAYS ONJust wear your AirPods. CheckNeck instantly connects to Apple's head motion sensors — no pairing, no setup.
Sit up straight for 3 seconds. CheckNeck captures your ideal posture as a personal baseline.
A live posture score, gentle haptic nudges, and smart exercise prompts keep your spine aligned all day.
Real screenshots from CheckNeck. Every interface element follows the Golden Ratio.
Live hexagonal radar showing your real-time posture score, achievements ring, and hydration tracking.
Five adaptive protocols from Sedentary to Athlete. AI-timed exercise blocks throughout your day.
Hexagonal reactor-core UI tracks squat depth via head motion. Real-time rep counting and form scoring.
Apple's CMHeadphoneMotionManager provides medical-grade head tracking data at 100Hz.
Forward/backward head tilt. The primary indicator of slouching — detected with 0.1 degree precision.
Ear-to-shoulder tilt. Catches lateral imbalances that lead to muscle tension and headaches.
Left/right rotation. Tracks neck twist exercises and detects asymmetric posture habits.
Three motion-tracked exercises with real-time form detection through your AirPods.
World-vertical acceleration tracking detects squat depth independent of head orientation. Real-time form scoring.
Yaw angular velocity integration tracks full left-right rotation range. Drift-free rep counting.
Pedometer + gait filter relaxes thresholds during walking while still tracking upper body alignment.
"Simplicity is the ultimate sophistication."— Leonardo da Vinci
Download CheckNeck free today. Your spine will thank you.
Download on the App StoreRequires iPhone with iOS 17+ and AirPods Pro / 3rd gen+ / Max