# OBD2 Trouble Code vs OBDII Scanner ELM327 OBD2

The clearest difference is in-app purchases: OBD2 Trouble Code at none against OBDII Scanner ELM327 OBD2's 1. OBD2 Trouble Code also leads on ratings volume (306 vs 5) and iOS requirement (10.0 vs 12.0). On price, rating, ads and device support there is nothing between them.

Both are free to download. OBDII Scanner ELM327 OBD2 sells 1 one-off in-app purchase. OBD2 Trouble Code asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.3 for OBD2 Trouble Code against 3.4 for OBDII Scanner ELM327 OBD2. That said, the two scores are not equally well evidenced: OBD2 Trouble Code has 306 ratings behind it against 5, so its average is the more settled of the two.

## The numbers

| Metric | OBD2 Trouble Code | OBDII Scanner ELM327 OBD2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (306 ratings)](https://appshunter.io/ios/app/obd2-trouble-code/id1315353058/reviews) | **[3.4 (5 ratings)](https://appshunter.io/ios/app/obdii-scanner-elm327-obd2/id6450936937/reviews)** |
| Number of ratings | **306** | 5 |
| Positive reviews | 37.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 14 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Hassan Benessafi](https://appshunter.io/developer/1463795701) | [paul moore](https://appshunter.io/developer/1655343480) |

## 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


### OBDII Scanner ELM327 OBD2

[App page](https://appshunter.io/ios/app/obdii-scanner-elm327-obd2/id6450936937)

This app allows you to scan your car's trouble codes and view live data using an OBD2 Bluetooth adapter. It logs statistics and freeze frames for future reference, storing all diagnostic trouble codes (DTCs) on a server.

**Highlights:** Scan car trouble codes, View live data, Log live statistics, Log freeze frame data, Store DTCs on server, Bluetooth and WiFi support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UK | $1.99 | one-time |


## Frequently asked questions

### Is OBD2 Trouble Code free?

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

### Is OBDII Scanner ELM327 OBD2 free?

OBDII Scanner ELM327 OBD2 is free to download, with in-app purchases available.

### Which has better reviews, OBD2 Trouble Code or OBDII Scanner ELM327 OBD2?

OBDII Scanner ELM327 OBD2 is rated higher. OBD2 Trouble Code averages 3.3 out of 5 from 306 ratings, while OBDII Scanner ELM327 OBD2 averages 3.4 from 5 ratings.

### Do OBD2 Trouble Code or OBDII Scanner ELM327 OBD2 have ads?

Neither OBD2 Trouble Code nor OBDII Scanner ELM327 OBD2 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.*