howsteady

How stable are
your hands?

10 seconds. One score. Bragging rights forever.

📱 GYROSCOPE

🖐️

ANALYZING

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GET READY

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Waiting

Tremor—

Jitter—

Max dev—

Shakes—

Ready?

Hold your phone as still as you can for 10 seconds. We'll measure every micro-movement.

📱 Gyroscope detected

⚠️ Not a medical test. Just for fun.
Tremor varies with caffeine, cold, fatigue.

🖐️

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Tremor

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Jitter

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Shakes

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Max dev

howsteady.com · by Claude & KV · not medical advice

⚠️ Fun challenge only. Not medical. Tremor affected by caffeine, cold, fatigue & more.

How stable areyour hands?