OBDAI OBD2 Scanner & ELM327 AI
Ontario Analytics Productivity iPhoneiPadiPod touch
OBDAI OBD2 Scanner & ELM327 AI is a free Productivity app for iPhone and iPad by Ontario Analytics. Rated 4.5/5 from 15 ratings. Requires iOS 26.0.
- Rating
- 4.5
- 15 ratings
- Price
- Free
- on the App Store
- Size
- 192 MB
- Age 12+
- Updated
- Sep 11
- 2026 · v2.7.0
Screenshots
About OBDAI OBD2 Scanner & ELM327 AI
Turn any compatible Bluetooth or Wi-Fi ELM327 adapter into an intelligent vehicle diagnostic system. OBDAI combines live OBD2 data with ARIA, an automotive reasoning agent that explains what the vehicle is reporting in plain English, remembers previous inspections, and creates professional diagnostic reports. MONITOR TESTS — THE ENGINE'S OWN REPORT CARD Read the Mode 6 self-tests run by the engine computer: catalyst efficiency, oxygen sensor response, EVAP, EGR, misfire, and more. OBDAI shows the vehicle's actual result and manufacturer limit, per ECU, without invented health scores. TRENDS ACROSS DRIVES ARIA preserves Monitor Test readings with each session. Ask whether a catalyst or sensor test is drifting toward its limit and ARIA compares the same evidence across recorded drives. DRIVE-CYCLE INTELLIGENCE OBDAI reads in-use performance counters and since-clear history so ARIA can explain whether the evidence represents one short drive or thousands of monitoring opportunities. When inspecting a used car, near-zero distance after codes were cleared is clearly identified. TALK TO ARIA Use hands-free conversation mode while working. ARIA listens, answers aloud, and listens again. Automotive speech recognition understands terms such as DTC, fuel trim, freeze frame, MAF, EVAP, and catalyst. SHOW ARIA WHAT YOU SEE Send photos of dash warnings, VIN plates, multimeter readings, scope waveforms, invoices, leaks, and components. ARIA combines images with live telematics, diagnostic history, and conversation context—and can ask for a photo when it would help. ARIA REMEMBERS Ask follow-up questions without starting over. Persistent vehicle memory keeps findings, declined work, and next steps available across sessions and supported devices. FREEZE FRAME DATA Read the sensor snapshot captured when a diagnostic code set. ARIA uses operating conditions such as engine speed, load, temperature, and fuel trim to provide useful context instead of simply repeating a code definition. PROFESSIONAL REPORTS Create AI-authored inspection documents with findings, recommendations, next steps, and vehicle identification. Share them with a mechanic, customer, buyer, or fleet record. OBD2 SCANNER FEATURES • 220 live parameters from SAE J1979DA • Stored, pending, and permanent diagnostic trouble codes • EV and hybrid battery, charge, and motor data where supported • Diesel NOx, DPF, SCR, DEF, and AECD data where supported • Emissions readiness, custom dashboards, and trip analysis COMPATIBILITY Supports OBD2-compliant 1996+ gasoline vehicles, 2004+ diesel vehicles, and compatible EV/hybrid data. Works with supported Bluetooth and Wi-Fi ELM327 adapters and common CAN, ISO15765, KWP2000, ISO9141, and J1850 protocols. No ads. No data resale. Encrypted cloud sync. obdai.app | [email protected]
Ratings & reviews
4.5
15 ratings
What’s new
Version 2.7.0 · Updated September 11, 2026
Newer Cars, Same ARIA — OBDAI 2.7.0 • OBDonUDS (SAE J1979-2) beta: the newest vehicles no longer speak classic OBD2. OBDAI now detects them automatically and reads fault codes, emissions readiness by monitor group, freeze-frame snapshots, vehicle info and live data over the new protocol. Requires the OBDAI GEN2 adapter and a Pro subscription. • ARIA understands the new data: ask about readiness or faults on an OBDonUDS vehicle and she reports every monitor group and every module, with the extended fault records the car keeps. • More reliable connections: OBDAI re-discovers your vehicle's protocol on every connect, including after a disconnect mid-drive, and keeps a plain-language record of what it tried. • Under-the-hood update to the latest platform. • Telling ARIA your VIN now sticks: when a car does not report its VIN (common on older European cars), the VIN you give ARIA is saved with the session, so she can compare that car across drives. • Junk VINs from older engine computers are no longer stored as vehicles; ARIA asks for the VIN instead. • ARIA history no longer fails for sessions without a model year. • Voice mode: the mic stays closed for the whole spoken answer, and a late transcript no longer re-fills the message box after you already sent it. • Web dashboard: an expired sign-in takes you back to sign-in instead of a subscription wall.
App privacy
The developer, Ontario Analytics, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: User ID, Device ID
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Email Address
- User Content: Other User Content, Customer Support
- Identifiers: User ID
- Usage Data: Product Interaction, Other Usage Data
- Other Data: Other Data Types
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Used for: Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality, Other Purposes
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
Used for: Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality, Other Purposes
Alternatives to OBDAI OBD2 Scanner & ELM327 AI
Looking for apps like OBDAI OBD2 Scanner & ELM327 AI? Here are 6 similar apps on the App Store. The highest rated is DiagTech.AI (5.0/5), and all 6 are free to download.
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DiagTech.AI
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Torque OBD2 Pro-Car Check Tool
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| App | Rating | Price | Last updated |
|---|---|---|---|
| OBDAI OBD2 Scanner & ELM327 AI | 4.5 / 5 (15 ratings) | Free | September 11, 2026 |
| Giotto ScanTool | 3.3 / 5 (44) | Free | Jun 23, 2025 |
| AI Mechanic | – | Free | Sep 23, 2026 |
| DiagTech.AI | 5.0 / 5 (1) | Free | Mar 16, 2026 |
| Auto Repair HQ App | – | Free | May 11, 2026 |
| Detect Auto | – | Free | Sep 26, 2026 |
| Torque OBD2 Pro-Car Check Tool | 4.0 / 5 (5) | Free | Oct 7, 2025 |