Published by PlayDevelop

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About RPM Calculator

1. Visualize your vinyl record players RPM with this simple application.

2. Your phone requires a gyro meter to work.

3. Please consider this is the first version.

4. Not sure if you have one?

5. Google your phonespecs and look for sensors.

RPM Calculator Customer Insights

1. App has no tare/adjustments so it's all on how your phone handles the gyros and send info to the appWorked great on Moto X4 and old Aiwa turntable.

2. Considering that level of accuracy is close to standard for recording studios, this app exceeds my expectations.I downloaded this app to use while I was refurbishing a vintage (1966) turntable (Dual 1009 SK).

3. It says my turntable is running at 33.75 rpm; different app on different phone gave same result.

4. In this case I'll probably uninstall the app till I need it next to save space but this app is totally great!!!! Works just like it should!Looking into making a motorized lazy susan for painting.

5. Got my turntable averaging 3.36 (older belt drive) while still sounding great without the wow/flutter.

6. Thanks so much.I used this app on my Samsung Galaxy A20 to adjust the speed of my turntable.

7. I am using the app to dial in the four speeds using my Android phone (16, 33 -1/3, 45 and 78 RPM).

8. That works and I got 33.3 to 33.4 on my Rega Planar 3.Amazing free app for checking speed of your record deck.

9. Rotating readout is a great touch! Well done! Thanks 😁Excellent after I worked out how to use it best.

10. The app has no help but I saw in another review the trick of placing a light cup or glass on the center and balancing your phone on top.

11. It saves my sanity! Record player sounds great now.

Steps to Troubleshoot & Fix RPM Calculator Issues

1. Fix RPM Calculator Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart RPM Calculator: Restarting the app will resolve most errors.
  2. Update the RPM Calculator App. Here is how:
    1. On Android goto PlayStore » Search for "RPM Calculator" » Open RPM Calculator » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for RPM Calculator » click "UPDATE".
  3. Clear RPM Calculator app cache: Clearing cached data will force your app to retrieve the latest data directly from RPM Calculator servers.
    1. On Android, goto Settings » Apps » Select "RPM Calculator" » click Storage » click "Clear Cache".
  4. Check RPM Calculator app permissions. If any of these permissions required to use your device's features are disenabled, RPM Calculator might not work.
  5. Uninstall and reinstall RPM Calculator. If nothing else has worked, completely uninstall RPM Calculator then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing RPM Calculator not working


2. Fix RPM Calculator Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make RPM Calculator be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to RPM Calculator not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, RPM Calculator may not be able to connect to the Internet when running in the background.

Reported Issues