# OBD2 Trouble Code vs MotorData OBD ELM car scanner

The clearest difference is rating: MotorData OBD ELM car scanner at 4.6 against OBD2 Trouble Code's 3.3. OBD2 Trouble Code's advantage is in-app purchases (none vs 10) and ratings volume (309 vs 48). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. MotorData OBD ELM car scanner sells 10 one-off in-app purchases. OBD2 Trouble Code asks for nothing beyond the download.

MotorData OBD ELM car scanner holds the better App Store score, 4.6 against 3.3. That said, the two scores are not equally well evidenced: OBD2 Trouble Code has 309 ratings behind it against 48, so its average is the more settled of the two. Written reviews point the same way: 37% of OBD2 Trouble Code's written reviews are positive against 41% of MotorData OBD ELM car scanner's.

## The numbers

| Metric | OBD2 Trouble Code | MotorData OBD ELM car scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (309 ratings)](https://appshunter.io/ios/app/obd2-trouble-code/id1315353058/reviews) | **[4.6 (48 ratings)](https://appshunter.io/ios/app/motordata-obd-elm-car-scanner/id1503589009/reviews)** |
| Number of ratings | **309** | 48 |
| Positive reviews | 37.0% of reviews | **40.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 50 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) | [LEGION-AVTODATA, AO](https://appshunter.io/developer/1477060768) |

## 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


### MotorData OBD ELM car scanner

[App page](https://appshunter.io/ios/app/motordata-obd-elm-car-scanner/id1503589009)

Transform your smartphone into a comprehensive car diagnostic tool. Read and clear trouble codes, monitor real-time vehicle performance, and customize your dashboard for a deeper understanding of your car's health. Includes free engine diagnostics with optional advanced features for specific brands.

**Highlights:** Deep diagnostics for up to 25 ECUs, One-touch scan for trouble codes, Decode DTCs and clear Check Engine Light, Real-time engine and system monitoring, Customizable dashboard with 18 templates, Log sensor readings and freeze frame data, Fuel efficiency tracking

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TOYOTA Warning lights | $4.59 | one-time |
| CHEVROLET Warning lights | $4.59 | one-time |
| Сustomization plugin | $6.89 | one-time |
| Plugin for TOYOTA | $18.49 | one-time |
| Plugin for NISSAN & INFINITI | $18.49 | one-time |
| Plugin for FORD | $18.49 | one-time |
| Plugin for CHEVROLET | $18.49 | one-time |
| Plugin for MAZDA | $18.49 | one-time |
| Plugin for KIA | $18.49 | one-time |
| Plugin for TOYOTA + HYBRID | $27.49 | one-time |


## Frequently asked questions

### Is OBD2 Trouble Code free?

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

### Is MotorData OBD ELM car scanner free?

MotorData OBD ELM car scanner is free to download, with in-app purchases available.

### Which has better reviews, OBD2 Trouble Code or MotorData OBD ELM car scanner?

MotorData OBD ELM car scanner is rated higher. OBD2 Trouble Code averages 3.3 out of 5 from 309 ratings, while MotorData OBD ELM car scanner averages 4.6 from 48 ratings.

### Do OBD2 Trouble Code or MotorData OBD ELM car scanner have ads?

Neither OBD2 Trouble Code nor MotorData OBD ELM car scanner 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.*