Best Rpm Meter Apps

Video tachometer

Strobe light effect, RPM meter

Free

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.

Giri -The RPM Checker-

by Natural Style Co. Ltd.

Free

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.

Camera RPM Meter - StrobeLight

Camera Tachometer - RPM Meter

Free

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.

Strobe tachometer (RPM meter)

+ Laser Tachometer + Magnetic

Free

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.

Rpm Meter: Calibrate Turntable

Check Speed and Error

Free

Measure the speed of any rotating object with precision using your phone's gyroscope or camera. View real-time RPM data on a live gauge and graph, save your measurements, and compare historical readings. Ideal for calibrating turntables and testing various rotating equipment.

RPM - Fidget Spinner Speed Meter

by Konstantinos Vogiatzakis

Free

This app uses your device's camera to measure the speed of a fidget spinner in revolutions per minute (RPM). Follow simple setup steps with aluminum foil and your camera's red circle to get accurate readings. Compete with friends and share your high scores on social media.

SoundRPM: Engine Tachometer

Estimate RPM by sound

Free

Estimate engine RPM using your iPhone's microphone without any extra hardware. Ideal for classic cars, motorcycles, and small engines, it provides real-time readings with confidence levels and measurement history.

Strobe Light Tachometer

by Motionics LLC

Free

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.

RPM Dot by SparkEVO

Smart RPM and Speed meter

Free

This application functions as a smart RPM and speed meter, providing real-time data for users. It offers a digital display of vehicle performance metrics. The app is available for free with an optional premium subscription.

Speedometer∞

Measure speed on device

Free

This app functions as a digital GPS speedometer, offering a comprehensive trip computer to track various travel metrics. It also includes acceleration measurement and a speed limit warning system with a HUD display option.

MyRPMCalc

Engine RPM From Sound

$1.99

Instantly measure engine RPM by listening to its sound through your phone's microphone. No external sensors or adapters needed. Ideal for diagnosing and monitoring various engines hands-free.

KDMLink

by 531 Dev

Free

Transform your phone into a live performance dashboard for your Hyundai N vehicle. This app connects to an N-Link Bluetooth device to stream real-time data directly from your car's CAN bus, displaying vital metrics like engine RPM, speed, temperatures, and tire pressure.

World's Best GPS

Speedometer, Compass, and more

Free

This app provides real-time speed, heading, altitude, and trip distance using GPS. It offers traditional speed units alongside unique and humorous measurements like % speed of light and Roman numerals.

Big Speedometer

by D Healy Technologies Limited

Free

This app displays your current speed and the speed limit in large, easy-to-read digits, ideal for quick checks while driving. It offers a clean interface focused on safe and distraction-free speed monitoring.

GPS Speedometer Simple

Trip Tracker, HUD & Alerts

$1.99

This app provides a clear, glanceable GPS speedometer with a bold digital dashboard. It tracks trips, offers HUD mode, and allows for manual speed alerts. Designed for drivers, cyclists, and anyone needing real-time speed information.

Kanonix Unit Converter

Offline tools. Clear results.

Free

Easily convert between numerous units across 16 categories, with core functions available offline. Offers a free set of standard conversions and an optional toolkit for advanced features via a one-time purchase.