Free!

Laptop Tachometer

This application was developed by Real-Time Specialties, an audio engineering company which develops, amongst other specialties, piano-tuning software. The software is easy to set-up, requiring only a microphone attachment for your laptop. You can use it to verify the tach on your airplane (or car, or boat, or lawnmower). It's exceptionally accurate, and it's not deceived by the number of cylinders, gearboxes or mufflers! For PCs only - sorry no Mac version at this time.

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