224+ iOS apps curated and reviewed
Whether you're new to rpm gauge or looking for an upgrade, our curated collection of 224+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | Yes | May 2026 |
| 2 |  | Free | 3.3★ (11) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.2★ (5) | No | Yes | Aug 2026 |
| 4 |  | Free | — | Yes | No | May 2026 |
| 5 |  | Free | 2.3★ (32) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.4★ (1.7K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.0★ (1) | No | Yes | Jul 2026 |
| 8 |  | Free | 4.7★ (124K) | Yes | Yes | Aug 2026 |
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.
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.
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.
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 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 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.
Access instant legal advice and create/sign documents with an AI-powered assistant. Forecast case outcomes and manage agreements efficiently, anytime, anywhere.
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.
This application tracks your speed and distance traveled using GPS. It displays your current speed in kilometers or miles per hour, records trip data, and can alert you to speed limit changes. It also includes a compass and weather information.
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.
Transform your lifestyle with personalized home workouts, meal plans, and motivational tips. Achieve your health and wellness goals with guidance from a champion. Discover a healthier you.
Experience realistic car and motorcycle engine sounds with interactive controls for gears, brakes, and acceleration. Connect to sound systems for an immersive audio experience. Supports OBD2 connectivity for real-time driving simulation.
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 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.
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.
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.
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.
Easily measure the actual RPM of your turntable with this straightforward tachometer. It provides detailed readings including minimum, maximum, and average RPM, along with percentage discrepancy and wow and flutter measurements.