RevOBD2
OBD-II diagnostics & live data
$29.99
Turn your Mac or iPad into a real scan tool: live gauges, trouble codes, Ford & GM module scans, and data logging. Free trial — try it with Demo Mode, no adapter needed.
RevOBD2 turns your Mac or iPad into a genuine OBD-II scan tool and data logger. Connect a Bluetooth adapter, and watch your engine in real time — with dashboards, charts, and diagnostics built for people who actually want to understand what their car is doing.
No account. No cloud. Everything stays on your device.
LIVE DATA & DASHBOARDS
• Real-time gauges for RPM, load, temperatures, fuel trims, timing, and more
• Build your own dashboard — drag, resize, and lay out gauges your way
• Scriptable custom gauges you can design and share
• High-rate streaming on supported adapters for smooth, fast updates
DIAGNOSTICS
• Read and clear diagnostic trouble codes, with plain-language descriptions
• Freeze-frame data captured when a fault set
• Mode 06 on-board test results
• Full vehicle report: VIN, protocol, calibration, and every module the car answers
CHARTS & LOGGING
• Plot multiple signals together and scrub back through history
• Record sessions to CSV for analysis in your spreadsheet of choice
• Per-vehicle colors and layouts that persist across drives
BEYOND THE BASICS
• Extended manufacturer PIDs for Ford and GM (Mode 22 and more)
• Module scan / census — see the controllers on the bus and their identity data
• Session and connection health history
PRIVATE BY DESIGN
• RevOBD2 collects nothing and transmits nothing. Your VIN, codes, readings, and logs never leave your device.
Free to download with a 7-day trial. A single in-app purchase unlocks everything — and it's a universal purchase, so buying once unlocks both your Mac and your iPad.
RevOBD2 is not affiliated with or endorsed by any vehicle manufacturer. Diagnostic information is provided for informational purposes.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, David Clark, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- David Clark
- Size
- 23.1 MB
- Category
- Utilities
- Compatibility
Requires iPadOS 18.2 or later.
- iPad
Requires iPadOS 18.2 or later. - Mac
Requires macOS 15.2 or later and a Mac with Apple M1 chip or later.
- iPad
- Languages
English and 2 more
- English, German, Spanish
- Age Rating
4+
- 4+
- Copyright
- © 2026 Grey Horse Software, LLC
