Isochron: Watch Timegrapher — ASO

By Kaan Uluer on AppTrack Ninja.

Rate, Beat Error & Amplitude

See how accurate your mechanical watch really is. Isochron uses the iPhone microphone to measure rate, beat error, and stability. Nothing is recorded or sent off-device. WHAT YOU GET • Rate in seconds per day — the number you actually compare between wears • Beat rate from vintage 18,000 BPH to hi-beat 36,000 BPH • Beat error in milliseconds (tick vs tock) • Stability as the reading settles • Amplitude as an estimate, labeled honestly — not a bench-machine claim SIX POSITIONS, ONE MOVEMENT Dial up, dial down, crown up, crown down, crown left, crown right. Spot positional drift before you book…

Categories: Utilities, Lifestyle

Keyword visibility, ranked search terms and daily position movement for Isochron: Watch Timegrapher.