Whirlometer

Whirlometer

Turntable RPM

95 ratings
14 reviews

Archived App (Last seen on 9 Jun 2025)

This is an archived listing of the app previously available on the App Store.

Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.

Lowest price: Free a year ago (-100%)


Price history

Details

  • Released
  • Updated
  • September 19, 2019
  • July 6, 2024
Whirlometer screenshot #1 for iPhone
Whirlometer screenshot #2 for iPhone
Whirlometer screenshot #3 for iPhone
Whirlometer screenshot #4 for iPhone
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About

Easily measure the rotational speed of your turntable. Offers both manual and automatic video analysis, as well as magnetometer and audio analysis for precise RPM readings.

Turntable RPM measurement
Accurate to 0.1 RPM
Manual video analysis
Auto video analysis
Magnetometer analysis
Audio analysis
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What's New in Whirlometer

1.5.2

July 6, 2024

* Audio Analysis * Frame Selection Merged View (Manual Video Analysis)

User reviews

Impressive App

Wow! I’m very impressed with this app. I’m not a fan of apps that require you to place your phone on the actual vinyl record. It seems to me the weight of the phone would result in an inaccurate reading. The Whirlometer app is great because there are three different ways to measure the RPMs. My favorite is using a small magnet on the label part of the record and enable the magnetometer setting. One benefit is there is no subscription fee like many other apps. I tested the accuracy of the app by placing a piece of blue painter’s tape on the side of the turntable platform and counted the number of revelations for 3 minutes which should be 99.99 rpm’s. Get this app! You won’t be disappointed!
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Though

I do not own any turntable now I thank you and appreciate your work in making this app. You broaden my knowledge (what a magnet can integrate with the app). Most importantly no tracking. Just wondering if this app can be used to check rpm in other fields. (Say car engine).

Just WOW.

What a clever way to measure the speed. Much better than the gyroscope apps. Gold medal deserved!

AYUDA!

Últimamente esta fallando! La velocidad es correcta y la marca como incorrecta, el modo auto no es tan preciso como el manual

Response from developer

Lamento que tengas problemas con la aplicación. Comuníquese con nosotros en support@incandescentcore.com para que podamos comprender mejor el problema.

Saves my LP experience

I thought my Audio Texhnica LP60 was running a bit fast but it doesn’t have a strobe meter to check. This no frills app is pretty simple to use and verified that it was running too fast on 33 and 45RPM. After lots of tweaking with a screwdriver underneath the turntable, I checked with the app and against streaming versions of songs and I got it at the right speed. Hopefully I won’t need to check again for a long time. Well done, developers.
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Developer apps

FAQ

What does Whirlometer do?

Whirlometer is a utility app designed to quickly and accurately measure the rotational speed (RPM) of your turntable. It provides precise readings, often to within 0.1 RPM or better, ensuring your vinyl playback is at the correct speed.

What analysis methods does the app use?

The app offers multiple analysis methods for measuring RPM. These include manual video analysis, automatic video analysis, magnetometer analysis, and audio analysis, providing flexibility and accuracy.

Is Whirlometer free to use?

Yes, based on the provided information, Whirlometer is a free application. There are no mentions of in-app purchases or advertisements, suggesting a completely free user experience.

Who is this app for?

This app is ideal for anyone who owns a turntable and wants to ensure it's spinning at the correct speed. This includes vinyl collectors, audiophiles, and anyone interested in maintaining optimal sound quality from their records.