Best Tachometer Acoustic Apps

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.

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.

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.

Engine RPM

Acoustic Tachometer

$8.99

Analyze engine sound to calculate RPM using advanced signal processing. Ideal for engine setup and diagnostics, it supports various engine types and provides real-time feedback for accurate readings.

Speedometer Simple

Accurate GPS speed tracker

Free

This app uses your phone's GPS to display your current speed accurately. It supports multiple units, shows traveled distance, and offers optional city names and a compass. You can also record trip statistics like maximum speed and distance.

Clear Wave Speakers

by Patel Vishalbhai

Free

This audio measurement and tuning app offers five specialized tools for precise acoustic setup. It guides users through intuitive inputs to provide real-time calculations and recommendations for professionals and enthusiasts.

VisiWave

See the frequencies around you

Free

Visualize sound waves in real-time by detecting and displaying their frequencies in Hertz. Experience an augmented reality view of the audio environment around you.

Toolbox - Smart Meter Tools

Best Measuring Tool Box App

Free

Transform your device into a versatile toolkit with a comprehensive suite of measuring instruments. This app offers a metronome, stopwatch, timer, ruler, level, and various sensors to assist with a wide range of tasks.

SoundTach

RPM from Engine Sound

Free

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.

ClapReverb

Measure reverberation time

Free

Instantly measure the reverberation time of any enclosed space with a simple clap. This app analyzes room acoustics, helping you determine if a space is too echoey or too dry. It's a scientifically validated tool for professionals and curious individuals alike.