# Dauntless OBD vs Plier

The clearest difference is in-app purchases: Dauntless OBD at none against Plier's 2. Dauntless OBD also leads on rating (5.0 vs 4.6). Plier's advantage is update cadence (weekly vs every 3 weeks). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Plier sells 2 in-app purchases, starting at $6.99 per 7 days. Dauntless OBD asks for nothing beyond the download.

Dauntless OBD holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 12 and 15 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Dauntless OBD ships an update every 3 weeks, Plier weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Dauntless OBD | Plier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/dauntless-obd/id6467540766/reviews)** | [4.6 (15 ratings)](https://appshunter.io/ios/app/plier-car-maintenance-tracker/id6742336175/reviews) |
| Number of ratings | 12 | **15** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 54 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dauntless Devices LLC](https://appshunter.io/developer/1706964112) | [Heap Labs LLC](https://appshunter.io/developer/840318089) |

## What reviewers say

### 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


### Plier

[App page](https://appshunter.io/ios/app/plier-car-maintenance-tracker/id6742336175)

Transform your iPhone into an AI-powered car diagnostic tool. Connect to your vehicle via an OBD2 device to understand its health, diagnose issues, and estimate repair costs.

**Highlights:** AI-driven diagnostic reports, Real-time OBD2 data and graphs, Check engine light insights, Repair cost estimation, ELM327 Bluetooth compatibility, Troubleshoot engine codes

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $6.99 | per 7 days |
| Pro ( 1 Year ) | $49.99 | per year |


## Frequently asked questions

### Is Dauntless OBD free?

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

### Is Plier free?

Plier is free to download, with in-app purchases available.

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

Dauntless OBD is rated higher. Dauntless OBD averages 5.0 out of 5 from 12 ratings, while Plier averages 4.6 from 15 ratings.

### Do Dauntless OBD or Plier have ads?

Neither Dauntless OBD nor Plier shows ads.

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

Dauntless OBD ships an update every 3 weeks, and Plier weekly. Most recently, Dauntless OBD was updated on October 24, 2026 and Plier on October 24, 2026.

---

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