Comparison

OBD2 Car Scanner vs RevPilot

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OBD2 Car Scanner

Transform your smartphone into a car diagnostics tool and trip planner. Monitor real-time vehicle data, scan trouble codes, and organize road trips with route planning and document management.

Highlights
  • Real-time vehicle data monitoring
  • Scan diagnostic trouble codes (DTCs)
  • Trip logging and driving insights
  • Vehicle-focused trip planning
  • Compatible with popular OBD2 adapters
  • Easy-to-use interface
Features
Read full description

This app turns your smartphone into a reliable vehicle diagnostics and car trip companion. It connects to your car’s OBD2 engine management system via Wi-Fi and works seamlessly with a wide range of popular OBD2 adapters, helping you monitor vehicle health, performance data, and maintenance status in real time. Designed for everyday drivers, car enthusiasts, and technicians alike, the app provides essential diagnostics, live sensor data, and driving insights, while also supporting car-focused trip planning features to make road journeys smoother and more organized. Key Features: - Real-time vehicle data monitoring: RPM, engine temperature, fuel status, throttle position, boost, and more - Scan diagnostic trouble codes (DTCs) with easy-to-understand explanations - Trip logging with distance, fuel usage, and driving behavior insights - Vehicle-focused trip planning tools to organize routes, stops, documents, and car-related checklists Why Choose This App? - Compatible with many popular OBD2 adapters - Combines vehicle diagnostics with car-centric trip support - Helps detect issues early and prepare your vehicle for longer journeys - Easy-to-use interface with powerful monitoring tools - Regular updates for improved compatibility and performance Whether you’re checking engine data, preparing your vehicle for a road trip, or tracking driving performance over time, this app helps you stay informed, organized, and confident behind the wheel. We currently offer the following auto-renewing subscription options for the Premium version: - $4.99/week - $9.99/month The payment will be charged to your iTunes Account within 24 hours prior to the end of the free trial period - if applicable - or at the confirmation of your purchase. Price may vary depending on the region or country. Your subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. You can cancel auto-renewal at any time, but this will not affect the currently active subscription period. Your iTunes Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Any unused portion of a free trial period, if offered, will be forfeited if you purchase a subscription to that publication where applicable. For questions, feedback, or assistance, please visit: Contact Us https://sites.google.com/view/helpcenter0509/contact-us Terms of Use https://sites.google.com/view/helpcenter0509/term-of-use Privacy Policy https://sites.google.com/view/helpcenter0509/privacy-policy

About

RevPilot

Features
Read full description

RevPilot – Professional OBD-II Scanner, Live Data & Performance Turn your iPhone into a professional-grade OBD-II scan tool. RevPilot was built for drivers, enthusiasts, tuners, and technicians who want more than just reading check engine lights. Monitor your vehicle in real time, record professional datalogs, run performance tests, and prepare for emissions inspections—all from one powerful app. Whether you’re diagnosing a daily driver, tuning a performance build, or getting ready for a Smog Check, RevPilot gives you the tools you need. PROFESSIONAL DIAGNOSTICS • Read and clear Check Engine Light (MIL) codes • View detailed Diagnostic Trouble Codes (DTCs) • Monitor emissions readiness monitors • Freeze Frame data • Pending and stored fault codes • Vehicle Information (VIN when supported) GUIDED SMOG CHECK One of RevPilot’s signature features. Instead of guessing what to do after clearing codes or disconnecting the battery, Guided Smog Check walks you through the drive cycle step by step. • Monitor emissions readiness in real time • Track monitor completion • Know which monitors are still incomplete • Reduce unnecessary trips for emissions inspections ADVANCED LIVE DATA Monitor your vehicle with professional real-time gauges. Track hundreds of supported parameters depending on your vehicle, including: • RPM • Vehicle Speed • Coolant Temperature • Intake Air Temperature • Mass Air Flow (MAF) • Throttle Position • Engine Load • Fuel Trim • Oxygen Sensors • Ignition Timing • Intake Manifold Pressure • Fuel Pressure • Battery Voltage …and many more supported sensors. PROFESSIONAL DATALOGGING Record complete driving sessions for later analysis. Perfect for: • Performance tuning • Troubleshooting • Dyno sessions • Track days • Street tuning • Comparing modifications Replay your logs and review supported vehicle parameters after every drive. PERFORMANCE TESTING Measure your vehicle’s performance with built-in acceleration testing. Supported tests include: • 0–60 mph • 0–100 km/h • Quarter Mile • Custom acceleration tests Great for comparing modifications and tracking improvements over time. MULTI-MODULE DIAGNOSTICS Go beyond the engine. Depending on vehicle support, RevPilot can access multiple electronic control modules. Including: • Engine • Transmission • ABS • Airbag (SRS) • Body Control Module • Steering • Instrument Cluster …and other supported modules. SMART VEHICLE GARAGE Manage multiple vehicles in one place. • Automatic VIN detection (supported vehicles) • Vehicle history • Saved scans • Saved datalogs • Performance history BUILT FOR ENTHUSIASTS Whether your vehicle is stock or highly modified, RevPilot is designed to help you understand exactly what’s happening inside your engine. Ideal for: • DIY mechanics • Automotive enthusiasts • Performance tuners • Track day drivers • Fleet owners • Everyday drivers REVPILOT PREMIUM Unlock advanced features with RevPilot Premium. Premium includes: • Advanced Live Data • Professional Datalogging • Performance Testing • Multi-Module Diagnostics • Additional diagnostic features as they become available Start with a FREE 7-day trial. COMPATIBILITY Compatible with most ELM327 Bluetooth OBD-II adapters for iPhone. Vehicle support varies depending on manufacturer, model year, ECU, and adapter capabilities. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

OBD2 Car Scanner4 screens
RevPilot4 screens

Verdict

The call

The clearest difference is update cadence: OBD2 Car Scanner at weekly against RevPilot's every 2 weeks. OBD2 Car Scanner also leads on iOS requirement (17.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OBD2 Car Scanner sells 2 in-app purchases, starting at $4.99 per 7 days and RevPilot sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

OBD2 Car Scanner ships an update weekly, RevPilot every 2 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
OBD2 Car Scanner versus RevPilot: the parameters behind the verdict, then further details
ParameterOBD2 Car ScannerRevPilot
PriceFreeFree
Rating4.8 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.1 — better26.0
Further details — not scored
Size85 MB53 MB
Age rating4+4+
DeveloperHong Thuan Truong ThiFelipe spada

In-app purchases

2 purchases

OBD2 Car Scanner

Subscriptions2
  • OBD2 Premium Weekly$4.997 Days
  • OBD2 Premium Monthly$9.991 Month
1 purchases

RevPilot

Subscriptions1
  • RevPilot Premium$9.991 Month

Questions

Is OBD2 Car Scanner free?
OBD2 Car Scanner is free to download, with in-app purchases available.
Is RevPilot free?
RevPilot is free to download, with in-app purchases available.
Do OBD2 Car Scanner or RevPilot have ads?
Neither OBD2 Car Scanner nor RevPilot shows ads.
Which is updated more often, OBD2 Car Scanner or RevPilot?
OBD2 Car Scanner ships an update weekly, and RevPilot every 2 weeks. Most recently, OBD2 Car Scanner was updated on October 8, 2026 and RevPilot on October 4, 2026.

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