iCarScan vs Dauntless OBD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iCarScan
Access professional-level automotive diagnostic functions, including reading and clearing fault codes, viewing live data, and performing special tests. Supports a wide range of vehicle manufacturers with automatic VIN recognition and one-key diagnosis. Generates detailed diagnostic reports for informed maintenance.
- OE-level professional functions
- Full OBD II diagnosis
- Support for 39+ manufacturers
- Automatic VIN reading
- One-key diagnosis
- Fault code interpretation
- Diagnostic report generation
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1. Profession functions refer to OE level functions, such as read/clear code, data flow diagram, read ECU, drive test, bidirectional special functions, etc. 2. Support full-function OBD II diagnosis, read data flow, freeze frame read IM/real-time data, read/clear fault code, vehicle on-board monitoring/computer system control operation and read vehicle information. 3. Support vehicle maintenance light return to normal. 4. Select any vehicle diagnostic software, covering up to 39 major automobile manufacturers. 5. Support automatic VIN reading and one-key diagnosis. 6. Clear interpretation of fault codes and generate professional diagnostic reports.
Dauntless OBD
Configure your DauntlessOBD device wirelessly. Access vehicle data streams, diagnostic trouble codes, and manage firmware updates. Requires a DauntlessOBD device for full functionality.
- Wireless pairing
- Firmware updates
- Vehicle data streams
- Diagnostic trouble codes
- Device configuration
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Official configuration app for the DauntlessOBD device. This app will help you with wireless pairing, firmware updates, and common vehicle data streams and diagnostic trouble codes. A DauntlessOBD device from Dauntless Devices LLC is required to use this app. Other devices are not supported.
Screenshots
Verdict
The clearest difference is review sentiment: Dauntless OBD at 100% against iCarScan's 0%. Dauntless OBD also leads on rating (5.0 vs 3.8) and update cadence (every 3 weeks vs every 5 months). iCarScan's advantage is iOS requirement (9.0 vs 15.0). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Dauntless OBD holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 14 and 11 respectively. Written reviews point the same way: 0% of iCarScan's written reviews are positive against 100% of Dauntless OBD's.
iCarScan ships an update every 5 months, Dauntless OBD every 3 weeks. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.
| Parameter | iCarScan | Dauntless OBD |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (14 ratings) | 5.0 (11 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 14 — better | 11 |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 324 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | THINKCAR INC | Dauntless Devices LLC |
Customer experience
iCarScan
Dauntless OBD
In-app purchases
iCarScan
No in-app purchases
Dauntless OBD
No in-app purchases
