# OBD Plus vs Dauntless OBD

The clearest difference is review sentiment: Dauntless OBD at 100% against OBD Plus's 22%. Dauntless OBD also leads on rating (5.0 vs 3.3). OBD Plus's advantage is iOS requirement (8.0 vs 15.0). On price, ratings volume, update cadence and ads 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 3.3. Both are backed by a comparable volume of ratings — 4 and 10 respectively. Written reviews point the same way: 22% of OBD Plus's written reviews are positive against 100% of Dauntless OBD's.

OBD Plus ships an update every 4 weeks, Dauntless OBD every 3 weeks. The most recent releases landed on September 21, 2026 and August 30, 2026 respectively.

## The numbers

| Metric | OBD Plus | Dauntless OBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/obd-plus/id1208901144/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/dauntless-obd/id6467540766/reviews)** |
| Number of ratings | 4 | **10** |
| Positive reviews | 21.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 30 MB | 2 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) | [Dauntless Devices LLC](https://appshunter.io/developer/1706964112) |

## What reviewers say

### OBD Plus

[App page](https://appshunter.io/ios/app/obd-plus/id1208901144)

Monitor your vehicle's engine, emissions, and other critical systems. This app aids in diagnosing car issues and provides insights into various components for better car maintenance.

**Highlights:** Vehicle condition monitoring, Car diagnostics, Engine system monitoring, Emission control system analysis, Oxygen sensor monitoring, Fuel system analysis

**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 OBD Plus free?

OBD Plus 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, OBD Plus or Dauntless OBD?

Dauntless OBD is rated higher. OBD Plus averages 3.3 out of 5 from 4 ratings, while Dauntless OBD averages 5.0 from 10 ratings.

### Do OBD Plus or Dauntless OBD have ads?

Neither OBD Plus nor Dauntless OBD shows ads.

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

OBD Plus ships an update every 4 weeks, and Dauntless OBD every 3 weeks. Most recently, OBD Plus was updated on September 21, 2026 and Dauntless OBD on August 30, 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.*