122+ iOS apps curated and reviewed
Out of 122+ connect rpm apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.0★ (2) | No | No | May 2026 |
| 2 |  | Free | — | No | No | Jun 2026 |
| 3 |  | Free | — | No | No | Jun 2026 |
| 4 |  | Free | — | No | Yes | May 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | Free | 4.4★ (1.7K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 3.3★ (11) | No | Yes | May 2026 |
| 8 |  | Free | 2.3★ (32) | Yes | Yes | Aug 2026 |
This app simplifies health management by connecting to devices for automatic readings of vital signs. It organizes your health data, displays trends, and sends reminders, keeping your care team informed in real time. It ensures your health information is secure and HIPAA compliant.
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 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.
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 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.
Measure your vinyl turntable's speed and wow with accuracy using just your phone. Save past readings for comparison and enjoy a modern interface. Supports all common record speeds.
This program helps manage your health and well-being from home. It connects to health devices that sync data automatically to your Health Educator. Track and review your readings with easy-to-understand graphs.
This app facilitates remote health monitoring and personal coaching. It securely syncs data from Bluetooth devices to your care provider, allowing for optimized health management and increased communication with your healthcare team.
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.
This app allows for complete DME remapping of BMW vehicles, offering maximum performance and safety. It provides full OBD flashing, pre-configured performance maps, and advanced engine monitoring capabilities. Users can also customize various flash options for a personalized driving 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.
Calculate lathe RPM based on material, designation, and tool type. Supports a wide range of materials and allows for unit changes. Simply input your work diameter to get the RPM value.
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.
This app enhances indoor cycling by providing real-time metrics like power, heart rate, and cadence. It offers structured training programs, power testing, and interval session tracking to optimize workouts and achieve fitness goals.
Transform your phone into a powerful car diagnostic tool. Read and clear trouble codes, monitor live sensor data, and analyze performance with real-time graphs. Get AI-powered insights and detailed vehicle history reports.