# OBD2 Trouble Code vs Car Scanner ELM OBD2 327

The clearest difference is in-app purchases: OBD2 Trouble Code at none against Car Scanner ELM OBD2 327's 2. OBD2 Trouble Code also leads on ratings volume (306 vs 15) and iOS requirement (10.0 vs 13.0). Car Scanner ELM OBD2 327's advantage is rating (3.5 vs 3.3). On price, ads and device support there is nothing between them.

Both are free to download. Car Scanner ELM OBD2 327 sells 2 in-app purchases, starting at $2.99 per month. OBD2 Trouble Code asks for nothing beyond the download.

Car Scanner ELM OBD2 327 holds the better App Store score, 3.5 against 3.3. That said, the two scores are not equally well evidenced: OBD2 Trouble Code has 306 ratings behind it against 15, so its average is the more settled of the two.

## The numbers

| Metric | OBD2 Trouble Code | Car Scanner ELM OBD2 327 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (306 ratings)](https://appshunter.io/ios/app/obd2-trouble-code/id1315353058/reviews) | **[3.5 (15 ratings)](https://appshunter.io/ios/app/car-scanner-elm-obd2-327/id6754900168/reviews)** |
| Number of ratings | **306** | 15 |
| Positive reviews | 37.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 46 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hassan Benessafi](https://appshunter.io/developer/1463795701) | [KAHA INNOVATION COMPANY LIMITED](https://appshunter.io/developer/1807437678) |

## What reviewers say

### OBD2 Trouble Code

[App page](https://appshunter.io/ios/app/obd2-trouble-code/id1315353058)

Instantly look up your car's check engine codes on the go. Access a vast database of OBD2 codes with descriptions and potential causes for all major manufacturers. Save your search history for quick reference.

**Highlights:** OBD2 code lookup, Check engine code descriptions, Possible cause identification, All major manufacturers supported, Search history, Save results

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

**In-app purchases:** none

**What reviewers like**

- 📚 Comprehensive OBD code database
- 👍 Easy to navigate interface
- 💡 Helpful for understanding car diagnostic codes
- ⚡ Useful for mechanical troubleshooting

**What reviewers complain about**

- 😤 Forced review requirement before app usage
- 📺 Excessive ads throughout the app
- 🔋 High battery consumption
- 🚫 App won't function without review completion
- ⚠️ Misleading review-gating mechanism

**Reported bugs**

- App crashes or won't open without review
- Ads prevent normal app usage
- More info button doesn't expand for some codes
- Incompatibility with certain vehicle models
- Mislabeled codes (P0450-P0459)

**Requested features**

- More detailed code explanations
- Offline functionality
- Better navigation for new users
- Support for codes without letter prefixes
- Expanded information sections for specific codes


### Car Scanner ELM OBD2 327

[App page](https://appshunter.io/ios/app/car-scanner-elm-obd2-327/id6754900168)

Transform your smartphone into a powerful car diagnostic tool. Connect with a compatible OBD2 adapter to read trouble codes, monitor live sensor data, and understand your vehicle's health in real-time. Gain clarity on warning lights and prevent costly repairs with this intuitive automotive companion.

**Highlights:** Read OBD2 Diagnostic Trouble Codes (DTC), Monitor live sensor data, Reset Check Engine Light, View freeze-frame data, Customize dashboard with gauges, Export OBD2 data in .csv format

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $9.99 | per year |


## Frequently asked questions

### Is OBD2 Trouble Code free?

OBD2 Trouble Code is free to download, with no in-app purchases.

### Is Car Scanner ELM OBD2 327 free?

Car Scanner ELM OBD2 327 is free to download, with in-app purchases available.

### Which has better reviews, OBD2 Trouble Code or Car Scanner ELM OBD2 327?

Car Scanner ELM OBD2 327 is rated higher. OBD2 Trouble Code averages 3.3 out of 5 from 306 ratings, while Car Scanner ELM OBD2 327 averages 3.5 from 15 ratings.

### Do OBD2 Trouble Code or Car Scanner ELM OBD2 327 have ads?

Neither OBD2 Trouble Code nor Car Scanner ELM OBD2 327 shows ads.

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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.*