Motor Pitch Analyzer

Motor Pitch Analyzer

Shiho Masuda
Jun 9, 2025

Trusted App

  • 56.6 MB

    File Size

  • Everyone

  • Android 7.0+

    Android OS

About Motor Pitch Analyzer

MotorPitchAnalyzer (MPA) is a real-time app for measuring small motor speed.

MotorPitchAnalyzer is an app for measuring small motor rotation speed in real-time.

Just bring the motor close to your smartphone's microphone for easy measurement!

You can improve accuracy by narrowing the measurement range.

The app shows the motor's maximum rotation speed based on stable rotation and frequency intensity.

You can also quickly check for shaft runout and brush conditions by viewing the motor sound waveform in real-time (※ for rough guidance).

Please measure in a quiet place for accurate results.

Note that measurement accuracy may vary slightly depending on your iPhone or iPad's microphone performance.

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What's new in the latest 1.4.0

Last updated on 2025-06-10
◆v1.4.0 Update Contents
◇ Fixed
・Fixed an issue where RPMs were measured approximately 2000 RPM lower on some Android devices.
This issue occurred on certain devices, including ASUS Zenfone 10 and GALAXY SC-52C. We've revised the recording logic to minimize discrepancies between devices. Please note that there are no changes to the RPM calculation logic itself, so you might not observe a difference depending on your device.

・Ad system updated.
・Now compatible with Android OS 15.
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Videos and Screenshots

  • Motor Pitch Analyzer poster
  • Motor Pitch Analyzer screenshot 1
  • Motor Pitch Analyzer screenshot 2
  • Motor Pitch Analyzer screenshot 3
  • Motor Pitch Analyzer screenshot 4
  • Motor Pitch Analyzer screenshot 5
  • Motor Pitch Analyzer screenshot 6
  • Motor Pitch Analyzer screenshot 7

Motor Pitch Analyzer APK Information

Latest Version
1.4.0
Category
Tools
Android OS
Android 7.0+
File Size
56.6 MB
Developer
Shiho Masuda
Available on
Content Rating
Everyone
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