217+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our RPM Direct list covers 217+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.
Access over a million auto parts for your vehicle anytime, anywhere. Ensure perfect fitment with a vehicle selector and find specialized parts for European cars and off-road vehicles. Offers flexible payment options and fast shipping.
Easily find and purchase a vast selection of quality car parts and tires from trusted brands. The app offers detailed product information, compatibility checks, competitive pricing, and helpful customer support to ensure a smooth shopping experience.
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.
Transform your smartphone into a professional car diagnostic tool. Read and clear engine fault codes, monitor real-time sensor data, and perform advanced diagnostics without a mechanic. Supports a wide range of OBD2 compliant vehicles.
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.
Easily search and shop for over 1.5 million auto parts and accessories. Access sale items, read articles, view orders, and watch videos. Find events and use the car finder feature.
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.
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 connects to your car's OBD2 port via a compatible adapter to read vehicle data. Monitor fuel economy, clear check engine lights, and create custom dashboards for real-time diagnostics and performance tracking.
Access the latest automotive news, in-depth car reviews, and a comprehensive buyer's guide to research your next vehicle. Explore historical magazine archives and find listings for vehicles in the marketplace.
Access a vast catalog of over 400,000 auto parts and accessories. Quickly identify your vehicle with a VIN scanner and locate nearby stores. Reserve items for in-store pickup and get expert advice.
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.
Discover the latest coupons, instant savings, and exclusive deals for members. Browse tools, check local stock, and create wish lists. Scan barcodes in-store for more product information.
This app uses AI to help you plan and execute car modifications. Add your vehicle, chat with the AI about your goals, and receive personalized recommendations for parts and upgrades. Save your build, discover brands, and get inspired by the community.
Discover a vast selection of vehicle parts, accessories, and vehicles to buy and sell. Manage your car's specifications, ensure parts fit with Fitment Finder, and connect with a community of auto enthusiasts. Secure payment and shipping options are available.
Easily identify vehicles and order necessary parts with this professional tool. Features like VIN scanning and license plate decoding ensure order accuracy and speed. Access a full catalog and local store inventory to get the right parts quickly.
Diagnose your car's engine light issues and monitor real-time performance data. This app allows you to read and clear diagnostic trouble codes, track fuel consumption, and view sensor data. It's a comprehensive tool for understanding your vehicle's health.
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.
This app provides direct access to your BMW or MINI vehicle's systems. Read and clear trouble codes from all control units, monitor real-time sensor values, and control features like exhaust flaps and active sound design. It also supports battery registration, DPF regeneration, and service resets.
Track your vehicle's performance with real-time GPS speed and G-force readings. Measure acceleration from 0-60 mph or 0-100 km/h, and time your 1/4 mile or 400m runs. Simulate drag races and analyze your car's capabilities to improve driving speed.