48+ iOS apps curated and reviewed
If you already know Strobe Light, this is the deeper bench. 48+ rpm strobe apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | Yes | No | May 2026 |
| 2 |  | Free | 4.4★ (79) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.5★ (82) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.4★ (1.7K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.2★ (255) | No | No | Jul 2026 |
| 6 |  | Free | 4.4★ (737) | Yes | No | Jul 2026 |
| 7 |  | Free | 3.3★ (11) | No | Yes | May 2026 |
| 8 |  | Free | 5.0★ (1) | No | No | May 2026 |
This application transforms your smartphone into a digital tachometer using its flashlight. It measures the rotational speed (RPM) of objects by flashing light at them, making them appear stationary when the flash rate matches their speed. Save readings and use it for mechanics, education, or industrial checks.
Measure rotational speeds of objects using your phone's flashlight, laser, or magnetic sensor. Detect precise RPMs with adjustable flicker frequencies and a wide measurement range. Ideal for analyzing fan speeds, engine RPMs, and more.
This app uses slow-motion video to create a strobe light effect, allowing you to measure rotational speeds. It records video with detailed information like frame rate and exposure, and offers customizable text overlays.
This app measures the real-time speed accuracy of your turntable, displaying variations like wow and flutter graphically. It helps you identify and correct speed inconsistencies for optimal audio playback. Features include a history log and a unique visualization of inaccuracies around the vinyl center.
Transform your iPhone into a powerful strobe light and tachometer. Precisely control flashing speeds from 1Hz to 130Hz to measure the RPM of rotating objects by making them appear stationary. Ideal for precise speed measurements in dark environments.
Create a dynamic light show for your parties by syncing visual strobes with your music. Adjust frequencies and volume sensitivity for a personalized experience. Choose to use your device's camera flash or screen for illumination.
This tool measures the rotational speed of motors, ideal for hobbyists working with drivable model cars. It features noise removal, speed conversion, and a memo panel for recording measurements. Customizable skins add a personal touch to the user experience.
This utility app provides a super bright full-screen flashlight, strobe light, and safety light. Customize color, brightness, and strobe rate for various uses, including photography and emergency signaling.
Measure engine RPM from sound without any tools. Simply point your phone at the exhaust of various engines like motorcycles, cars, or lawn mowers to get accurate, real-time readings. The app automatically filters background noise and indicates signal quality for reliable measurements.
Transform your phone into a versatile lighting tool. Enjoy a bright flashlight, customizable disco effects, and music synchronization for parties or mood lighting. It offers a user-friendly interface with battery optimization and privacy respect.
Measure rotational speed using your phone's camera or a simulated strobe light. Simply mark the rotating object and adjust the settings until it appears stationary to get an accurate RPM reading. The app also functions as a torchlight.
This app allows you to stream music to multiple devices simultaneously, enabling shared listening experiences with friends. Create collaborative playlists, discover new music, and chat with others in real-time.
Check your record player's speed accuracy using your phone's LED light and a printable strobe disc. Ensure your turntable is playing at the correct RPM for optimal audio quality. Useful for calibration and pre-purchase checks.
Transform your car's exhaust sound to mimic powerful muscle cars in real-time. This app requires compatible hardware to sync with your vehicle's engine RPM, offering customizable sound effects like turbo blow-off valves and audible gear shift indicators. Enjoy enhanced engine sounds alongside your music.
Control your compatible LED lights with this Bluetooth app. Select colors, adjust brightness, and choose dynamic patterns. Sync your lights to music for an immersive experience.
Control Bluetooth-enabled LED lighting with a wide range of customization. Choose from an unlimited color palette, create dynamic lighting effects like fades and strobes, or sync your lights to music. Manage multiple controllers individually or group them for a unified look.
This utility app transforms your phone's LED into a dynamic light source. It synchronizes flashing with music beats and offers manual strobe control. It also functions as a standard flashlight and can send Morse code.
This app allows for advanced ECU tuning and feature unlocking for specific BMW and Supra engines via OBD and Wi-Fi. It offers on-the-fly map switching, custom options, flex fuel integration, and diagnostic capabilities for enhanced vehicle performance. Designed for off-road use only.