Best Tachometer Digital Apps

Measures RPM of rotating objectsAdjustable strobe speed (1-10,000 RPM)Quick adjustment buttons (+/- increments)

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.

RPM from engine sound

Straightforward Speedometer

(0)

Strobe Light Tachometer

by Motionics LLC

Adjustable strobe speed (1-130Hz / 60-7800RPM)Quick adjustment buttons (x2, ÷2)Fine-tuning buttons for precise speed

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.

📊 Productivity

(276)

Video tachometer for business

by Dmitriy Kharutskiy

$2.99

Digital Speed GPS Speedometer

(0)

Speedo HUD - MPH KM Tracker

GPS speed tracking (MPH, KM/H, knots)Real-time trip computerInteractive map view

$2.99 | 100% OFF

Transform your device into a versatile GPS speedometer and trip tracker. Monitor speed, distance, and altitude during driving, cycling, or walking. Features include a heads-up display and intelligent alerts for speed limits.

Speedmeter mph digital display

(5.8K)

freemium

Digital HUD Speedometer

Digital HUD speedometerOffline trip distance measurementApple Watch integration

This GPS-powered application displays your current speed in a clear digital format, suitable for vehicles, cycling, or walking. It offers offline functionality and provides additional features like trip distance measurement, altitude tracking, and real-time speed limit warnings.

Camera RPM Meter: Stroboscope

(16K)

ad-supported

Tachometer & Strobe Light

Tachometer RPM & Strobe

Large Display • Digital HUD

(0)

Speedometer ∞ GPS Speed

Large digital displayHUD modeSpeed tracking

This app provides a simple and beautiful speedometer for iPhone and iPad. It allows users to easily track their speed with an extra-large digital display, functioning as a HUD.

free with in-app purchases

(1.3K)

SoundTach

RPM from Engine Sound

Automatic RPM detection from soundSupports 2-stroke and 4-stroke enginesNo manual configuration required

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.

(5)

Speedometer: MPH Tracker GPS

Odometer, Tacho, Car & Bike

Real-time GPS speed trackingMPH and km/h supportTrip logging with map and summary

$3.99 | 100% OFF

This app provides real-time speed tracking using your phone's GPS. It logs trips, displays speed in MPH or km/h, and offers an optional speed limit alert. All trip data is stored locally for privacy.

free with in-app purchases

(6)

REVV Editor

Custom Digital Car Gauges

Speedometer with large display

Displays speed in mph, km/h, knotsLarge, clear indicatorsRetina display support

This application displays your current speed in miles per hour, kilometers per hour, or knots. It features a large, clear display with Retina support for optimal visibility. Accuracy is enhanced by adjusting indicator transparency.

Speedometer 55 GPS Speed & HUD

(49K)

ad-supported

Limit Alert,Black Box,Trip log

Speed limit alerts (visual and audio)GPS black box for trip dataLocation sharing

This app functions as a sophisticated speedometer, alerting you to speed limit violations with visual and auditory cues. It also provides location sharing, altitude readings, and a GPS black box for trip data. Calculate mileage, costs, and fuel consumption for your journeys.

(64K)

Speedometer : Analogue & Digital

by Kuldeepsingh Saini

Analogue and digital speed displayInbuilt odometerTracks average and maximum speed

This app displays your real-time speed in both analogue and digital formats, featuring an odometer to track your journey. It records average and maximum speeds, allowing you to monitor your travel distance on various vehicles.

(3)

Camera RPM Meter - StrobeLight

Camera Tachometer - RPM Meter

Measure RPM with mobile cameraMeasure RPM with strobe light simulationAdjust RPM with seek bar or buttons

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.