Align · Track · Thrive
Your AirPods are
a precision sensor.
25–100 Hz gyroscope·±2° accuracy·No camera ever·Background-aware
The Problem
Your spine bends
every single day.
0%
of desk workers
develop neck pain
0°
forward tilt at
your average posture
0.0h
daily screen time
spine under load
0lb
cervical load at
60° forward tilt
The Technology
Your AirPods
already know.
Spatial Audio hardware carries a six-axis IMU. CheckNeck reads pitch, roll, and yaw via Apple’s native CMHeadphoneMotionManager at up to 100 Hz. No camera. No cloud.
↕Pitchforward / back nod
↔Rollleft / right tilt
↻Yawleft / right turn
φ
|
Every proportion in CheckNeck follows the Golden Ratio.
Logo · Spacing · Animation · Typography · Score Algorithm
The System
Four ways to stand taller.
Real-Time Monitoring
25–100 Hz head tracking via AirPods IMU. EMA-filtered. Graded as ALIGNED, GOOD, MILD TILT, or POOR against your 3-second calibrated baseline.
25–100 Hz±2° accuracyEMA α 0.15BGTask-aware
5 min cooldown
Smart Alerts
30s continuous poor posture → gentle notification. 5-minute cooldown.
Animated form guides
18 Guided Exercises
Neck rotations, squats, chin tucks. AirPods count your reps automatically.
200ml increments
Hydration Ritual
Track daily water intake in 200ml increments with custom goal setting.
The Library
18 guided exercises.
Animated. Rep-counted. Corrected in real time. Your AirPods handle the tracking — you focus on the form.
Neck rotationsDeep squatsChin tucksCat-cowChest openerWall angelsShoulder shrugsSide tilts
The Protocols
Five protocols. Three tiers.
01
Power WalkSteps with perfect form
ExosStriveAthleticus
02
Office RhythmStealth desk exercises
ExosStriveAthleticus
03
Posture GuardianContinuous endurance hold
ExosStriveAthleticus
04
Zen FlowBreathing & recovery
ExosStriveAthleticus
05
Ninja Core7-day habit builder
ExosStriveAthleticus
The Investment
Simple pricing. Start free.
Most Popular
Premium
$6.99/mo
- Unlimited monitoring
- All 18 exercises
- 5 protocols · 3 tiers
- 90-day history & trends
Annual billing saves 28% · Cancel anytime · App Store managed
Technical Specifications
Platform
iOS 17+
iPhone · portrait only
Sensors
AirPods IMU
Pro · 3rd Gen+ · Max · Beats Fit Pro
Refresh Rate
25–100 Hz
CMHeadphoneMotionManager native
Calibration
< 10 sec
One-time · stored in SwiftData
Privacy
No Camera
100% motion-sensor · on-device only
Accuracy
±2°
EMA filtered · α = 0.15
Stand tall. Free.
Available now on the App Store · iOS 17+ · AirPods required
iOS 17+AirPods25–100 Hz< 10s setupNo cameraFree forever