Strobe Light – RPM
Digital Tachometer RPM Checker
Free · Designed for iPad
Measure RPM with ease using Strobe Light - RPM! Turn your iPhone into a tachometer, adjusting strobe speed to check rotational speed of motors, fans, and more.
Strobe Light - RPM turns your phone into a powerful tool for measuring the speed of rotating objects. Using your phone's flashlight, this app acts like a digital tachometer. It allows you to measure the speed (RPM) of any rotating object by flashing light at the object in a specific pattern.
When the strobe light’s flash rate matches the speed of the object, it creates the illusion that the object is standing still. This helps you visually determine the exact rotational speed of the object, without needing to touch it.
How to Use:
1. Mark the rotating object with something visible (a sticker or tape works well).
2. Point your phone’s flashlight toward the object.
3. Adjust the strobe speed until the object looks still.
4. The RPM shown on the screen is the object’s rotation speed.
5. You can save the reading for later reference.
Where It’s Useful:
- Mechanics: Test fans, engines, or motors by measuring RPM.
- Education: Ideal for physics experiments that require RPM measurements.
- Industrial Use: Check the condition of rotating machinery.
- Calibration: Ensure rotating devices are running at the correct speed.
Key Features:
- Adjustable Strobe Speed: Set the strobe from 1 to 10,000 RPM for accurate measurements.
- Quick Adjustment Buttons: Easily change the speed with buttons for +1, +10, +50, or +100 RPM increments.
- Flash Sync: Ensures the light flashes at the correct frequency for accurate RPM readings.
- History Tracking: Save and review your RPM data anytime for easy access.
- Works in Low Light: Although user can obtain best results in the dark, still the app work in low-light conditions as well.
- Simple and Energy-Efficient: The app’s interface is easy to use and doesn’t drain your phone’s battery.
- Visual Tachometer: Acts just like a real tachometer, but using your phone’s flashlight and visual strobe technique.
Strobe Light - RPM makes it simple to measure RPM without any special tools or equipment. Whether you're working or just learning about rotational speed, this app turns your phone into an easy-to-use tachometer. Perfect for mechanics, hobbyists, students, and professionals alike!
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The developer, Zain Saeed Mughal, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
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Accessibility
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Information
- Seller
- Zain Saeed Mughal
- Size
- 24.4 MB
- Category
- Utilities
- Compatibility
Requires iOS 15 or later.
- iPhone
Requires iOS 15 or later. - iPad
Requires iPadOS 15 or later. - iPod touch
Requires iOS 15 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 ZSM Apps