# iCarScan vs Dauntless OBD

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.

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.

## The numbers

| Metric | iCarScan | Dauntless OBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (14 ratings)](https://appshunter.io/ios/app/icarscan/id1508699839/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/dauntless-obd/id6467540766/reviews)** |
| Number of ratings | **14** | 11 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 324 MB | 2 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [THINKCAR INC](https://appshunter.io/developer/1464847379) | [Dauntless Devices LLC](https://appshunter.io/developer/1706964112) |

## What reviewers say

### iCarScan

[App page](https://appshunter.io/ios/app/icarscan/id1508699839)

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.

**Highlights:** OE-level professional functions, Full OBD II diagnosis, Support for 39+ manufacturers, Automatic VIN reading, One-key diagnosis, Fault code interpretation, Diagnostic report generation

**Features:** macOS Compatibility

**In-app purchases:** none


### Dauntless OBD

[App page](https://appshunter.io/ios/app/dauntless-obd/id6467540766)

Configure your DauntlessOBD device wirelessly. Access vehicle data streams, diagnostic trouble codes, and manage firmware updates. Requires a DauntlessOBD device for full functionality.

**Highlights:** Wireless pairing, Firmware updates, Vehicle data streams, Diagnostic trouble codes, Device configuration

**In-app purchases:** none


## Frequently asked questions

### Is iCarScan free?

iCarScan is free to download, with no in-app purchases.

### Is Dauntless OBD free?

Dauntless OBD is free to download, with no in-app purchases.

### Which has better reviews, iCarScan or Dauntless OBD?

Dauntless OBD is rated higher. iCarScan averages 3.8 out of 5 from 14 ratings, while Dauntless OBD averages 5.0 from 11 ratings.

### Do iCarScan or Dauntless OBD have ads?

Neither iCarScan nor Dauntless OBD shows ads.

### Which is updated more often, iCarScan or Dauntless OBD?

iCarScan ships an update every 5 months, and Dauntless OBD every 3 weeks. Most recently, iCarScan was updated on October 7, 2026 and Dauntless OBD on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*