Stroboscope: 300Hz + Presets
Match motor RPM · Fan · Drone
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Turn your iPhone into a precision stroboscope. Adjust frequency from 0.5-100Hz, control duty cycle, find harmonics, and measure RPM — all in one powerful tool.
Professional strobe light for inspecting rotating machinery, measuring RPM, and freezing motion. Adjust frequency from 0.5–100 Hz with precision control — perfect for mechanics, engineers, and creators.
FEATURES:
• Adjustable frequency range from 0.5 Hz to 100 Hz
• Three duty cycle modes: 10%, 25%, and 50%
• ×2 and ÷2 buttons for quick harmonic frequency finding
• RPM presets for common motor and fan speeds
• Real-time display of period, timing, and flashes per minute
• Clean, intuitive interface designed for fieldwork
APPLICATIONS:
• Inspect rotating machinery and motors
• Measure fan blade and propeller RPM
• Freeze apparent motion for visual inspection
• Verify belt and gear synchronization
• Educational physics demonstrations
Whether you are a maintenance technician, engineer, or hobbyist, this stroboscope app gives you the precision tools you need for motion analysis and rotational speed measurement right in your pocket.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Now fully localized — the app displays in your device's language. Plus performance and stability improvements.
The developer, Kyu-Hee Jang, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Kyu-Hee Jang
- Size
- 53.2 MB
- Category
- Utilities
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 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.
- iPhone
- Languages
- English
- Age Rating
18+
- 18+
- Contains
Advertising
- Copyright
- © Copyright 2026 Simon Jang. All rights reserved.