About Strobe Light Tachometer
NOTE: The App is just for iPhone with flashlight. It doe NOT work on iPad, iPod touch or any iOS device without flashlight. Description: Using this App, you can control the flashing on/off speed of your phone flashlight...
NOTE: The App is just for iPhone with flashlight. It doe NOT work on iPad, iPod touch or any iOS device without flashlight. Description: Using this App, you can control the flashing on/off speed of your phone flashlight between 1Hz to 130Hz. In another word, this App makes your iPhone into a strobe light. What's the Application then?! You can use this App to use your iPhone as a tachometer that measures the speed of any rotating object. How to use it? Suppose you have a fan and need to measure its speed (RPM). Turn on the fan in a DARK environment, launch the App on your iPhone (that has flashlight). Manually tune the speed using the main slider of the App to see the rotating object looks almost not moving. Then, start fine tuning using the three buttons in the App to get the exact speed. At this point the rotating object looks like stationary! But, it is moving! So, never touch the moving/rotating object during your test! Features: - Slider to adjust strobe light speed between 1-130Hz (60-7800RPM) - x2 and ÷2 buttons for quick adjustment of flashing speed - 3 Buttons for fine tuning of the speed up to 2 decimal: 0X.00, 00.X0, 00.0X - Textfield to manually enter the speed in RPM (tap on the speed label) - Button for light and dark background option - showing the speed in both Hz and RPM - simple and easy to use!!
Version History This update from Apple will improve the functionality of this app. No new features are included. - Added quick RPM adjustment of x2 and ÷2 - Changed manual input to RPM 1.1 10/28/2015 1.0 03/29/2015
Previous Versions
Here you can find the changelog of Strobe Light Tachometer since it was posted on our website on 2016-09-25 16:30:00.
The latest version is 1.1 and it was updated on 2026-06-23 07:53:58. See below the changes in each version.
Strobe Light Tachometer version 1.1
Updated At: 2026-06-02
Changes: Version History This update from Apple will improve the functionality of this app. No new features are included.
- Added quick RPM adjustment of x2 and ÷2
- Changed manual input to RPM 1.1 10/28/2015 1.0 03/29/2015
Strobe Light Tachometer version 1.1
Updated At: 2015-10-28
Changes: Oct 28, 2015
Version 1.1
This app has been updated by Apple to display the Apple Watch app icon.
- Added quick RPM adjustment of x2 and ÷2
- Changed manual input to RPM
Strobe Light Tachometer version 1.1
Updated At: 2015-10-28
Changes: This app has been updated by Apple to display the Apple Watch app icon.
- Added quick RPM adjustment of x2 and ÷2
- Changed manual input to RPM
Strobe Light Tachometer version 1.1
Updated At: 2015-03-30
Disclaimer
Official App Store Link
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