# BlueDriver OBD2 Scan Tool vs Stud Finder゜

The clearest difference is in-app purchases: BlueDriver OBD2 Scan Tool at none against Stud Finder゜'s 1. BlueDriver OBD2 Scan Tool also leads on ads (none vs shown) and update cadence (fortnightly vs every 4 months). On price, rating, ratings volume and monetization model there is nothing between them.

Both are free to download. Stud Finder゜ sells 1 one-off in-app purchase. BlueDriver OBD2 Scan Tool asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for BlueDriver OBD2 Scan Tool against 4.5 for Stud Finder゜. Both are backed by a comparable volume of ratings — 14K and 5K respectively. Written reviews are what separate them: 58% of BlueDriver OBD2 Scan Tool's written reviews are positive against 35% of Stud Finder゜'s.

BlueDriver OBD2 Scan Tool ships an update fortnightly, Stud Finder゜ every 4 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | BlueDriver OBD2 Scan Tool | Stud Finder゜ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14K ratings)](https://appshunter.io/ios/app/bluedriver-obd2-scan-tool/id445403397/reviews)** | [4.5 (5K ratings)](https://appshunter.io/ios/app/stud-finder/id1524134326/reviews) |
| Number of ratings | **14K** | 5K |
| Positive reviews | **58.5% of reviews** | 35.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 273 MB | 35 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lemur Vehicle Monitors](https://appshunter.io/developer/445403400) | [Hanja Devi](https://appshunter.io/developer/1453140968) |

## What reviewers say

### BlueDriver OBD2 Scan Tool

[App page](https://appshunter.io/ios/app/bluedriver-obd2-scan-tool/id445403397)

This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.

**Highlights:** Read and clear trouble codes (Check Engine, ABS, etc.), Generate professional-grade Repair Reports, Access Mode 6 and smog readiness data, View live data with interactive graphing, Wireless Bluetooth scanning, Likely fixes explained in plain language

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Excellent diagnostic capabilities
- 💰 Great value for money
- 🔍 Detailed fault code information
- 📚 Helpful repair suggestions

**What reviewers complain about**

- 🐛 Occasional Bluetooth connectivity issues
- ⚠️ Limited support for some vehicle makes/models
- 🚫 Cannot read odometer information
- 🚫 Lack of advanced features for professional mechanics
- 🚫 No support for European vehicle VINs

**Reported bugs**

- Occasional app crashes
- Failure to detect vehicle faults in some cases
- Inability to update firmware on certain devices

**Requested features**

- Add support for more vehicle makes and models
- Improve Bluetooth stability and connectivity
- Implement odometer reading functionality
- Expand diagnostic capabilities to include more advanced features
- Add support for European vehicle VINs


### Stud Finder゜

[App page](https://appshunter.io/ios/app/stud-finder/id1524134326)

This application utilizes your iPhone's magnetometer to detect metal objects, helping you locate hidden studs behind walls. It's designed to quickly find wood studs concealed by drywall, plasterboard, or stucco. Performance may vary based on wall construction and phone accessories.

**Highlights:** Detects studs using magnetometer, Locates metal objects, Works through drywall, plasterboard, stucco, Quick stud detection, Removable case recommended for best performance

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |

**What reviewers like**

- 🚀 Works well
- 👍 Easy to use
- 💡 Innovative app concept
- 🚀 Accurate stud detection

**What reviewers complain about**

- 🐛 Inconsistent performance
- 🐛 Inaccurate stud detection
- 🔋 Drains phone battery
- 💤 Requires high sensitivity setting

**Reported bugs**

- Constant false positive stud detection
- App crashes or freezes
- Sensitivity settings not working as expected

**Requested features**

- Improved stud detection accuracy
- Better calibration options
- More intuitive user interface
- Compatibility with older devices


## Frequently asked questions

### Is BlueDriver OBD2 Scan Tool free?

BlueDriver OBD2 Scan Tool is free to download, with no in-app purchases.

### Is Stud Finder゜ free?

Stud Finder゜ is free to download, with in-app purchases available.

### Which has better reviews, BlueDriver OBD2 Scan Tool or Stud Finder゜?

BlueDriver OBD2 Scan Tool is rated higher. BlueDriver OBD2 Scan Tool averages 4.6 out of 5 from 14K ratings, while Stud Finder゜ averages 4.5 from 5K ratings.

### Do BlueDriver OBD2 Scan Tool or Stud Finder゜ have ads?

Stud Finder゜ shows ads; BlueDriver OBD2 Scan Tool does not.

### Which is updated more often, BlueDriver OBD2 Scan Tool or Stud Finder゜?

BlueDriver OBD2 Scan Tool ships an update fortnightly, and Stud Finder゜ every 4 months. Most recently, BlueDriver OBD2 Scan Tool was updated on November 6, 2026 and Stud Finder゜ on November 7, 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.*