Timegrapher — Watch Accuracy — ASO

By Fotios Avgidis on AppTrack Ninja.

Rate, Amplitude & Beat Error

A timegrapher in your pocket: rate, amplitude and beat error from your iPhone's microphone in 30 seconds. Reads through room noise, with amplitude computed from your calibre's own lift angle. First watch free — Pro is one purchase, never a subscription. WHAT IT MEASURES • Rate — seconds gained or lost per day, the number a chronometer certificate is built on • Amplitude — how far the balance swings, the vital sign a watchmaker checks first • Beat error — the tick/tock asymmetry that says the escapement wants adjusting • Beat rate — detected automatically, from vintage 18,000 bph to hi-beat 36…

Categories: Utilities, Lifestyle

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