# OBD2 Trouble Code vs OBD2 Scanner ELM327

The clearest difference is rating: OBD2 Scanner ELM327 at 4.3 against OBD2 Trouble Code's 3.3. OBD2 Scanner ELM327 also leads on review sentiment (46% vs 37%). OBD2 Trouble Code's advantage is in-app purchases (none vs 24) and ratings volume (306 vs 19). On price, ads and device support there is nothing between them.

Both are free to download. OBD2 Scanner ELM327 sells 23 in-app purchases, starting at $4.99 per year. OBD2 Trouble Code asks for nothing beyond the download.

OBD2 Scanner ELM327 holds the better App Store score, 4.3 against 3.3. That said, the two scores are not equally well evidenced: OBD2 Trouble Code has 306 ratings behind it against 19, 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 46% of OBD2 Scanner ELM327's.

## The numbers

| Metric | OBD2 Trouble Code | OBD2 Scanner ELM327 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (306 ratings)](https://appshunter.io/ios/app/obd2-trouble-code/id1315353058/reviews) | **[4.3 (19 ratings)](https://appshunter.io/ios/app/obd2-scanner-elm327-garagepro/id1488423694/reviews)** |
| Number of ratings | **306** | 19 |
| Positive reviews | 37.0% of reviews | **46.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 65 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hassan Benessafi](https://appshunter.io/developer/1463795701) | [Zymbia Interactive Technologies Private Limited](https://appshunter.io/developer/1488423693) |

## 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


### OBD2 Scanner ELM327

[App page](https://appshunter.io/ios/app/obd2-scanner-elm327-garagepro/id1488423694)

This app provides comprehensive OBD scanning for vehicles, allowing users to read and clear fault codes from various ECUs, monitor live sensor data, and perform special functions like DPF regeneration and injector coding. It supports over 100 vehicle makes and offers detailed reports and diagnostic assistance.

**Highlights:** Read and delete fault codes from any ECU, Monitor over 200 live sensor data points, Perform special OBD functions, Generate shareable PDF diagnostic reports, Check SMOG status for emission tests, Reset service/oil lights, Track 0-60 and 0-100 timing

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

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Scan Summary (Yearly) | $4.99 | per year |
| Standard - Yearly | $9.49 | per year |
| Personal Plan | $9.99 | per year |
| Lite - Yearly | $9.99 | per year |
| Standard - Yearly | $19.99 | per year |
| Advanced - Yearly | $23.99 | per year |
| Advanced + AI Summary - Yearly | $28.99 | per year |
| Premium - Yearly | $32.99 | per year |
| Standard - Yearly | $34.99 | per year |
| Advanced - Yearly | $71.99 | per year |
| Advanced - Yearly | $99.99 | per year |
| Lite - Perpetual | $17.99 | one-time |
| Lite - Perpetual | $21.99 | one-time |
| Standard - Perpetual | $34.99 | one-time |
| Standard - Perpetual | $37.99 | one-time |
| Standard - Perpetual | $54.99 | one-time |
| Lifetime Subsciption | $69.99 | one-time |
| Standard - Perpetual | $69.99 | one-time |
| Advanced - Perpetual | $99.99 | one-time |
| Advanced - Perpetual | $109.99 | one-time |
| Advanced - Perpetual | $129.99 | one-time |
| Advanced - Perpetual | $159.99 | one-time |
| Advanced - Perpetual | $199.99 | one-time |

**What reviewers like**

- ✅ Clears trouble codes
- ✅ Scans vehicle quickly
- ✅ Provides real-time data
- ✅ User-friendly interface
- ✅ Saves money on repairs

**What reviewers complain about**

- ❌ App crashes frequently
- ❌ Does not load past splash screen
- ❌ Not responding properly on iPhone
- ❌ Cannot select new vehicle after changing cars
- ❌ Fails to buy subscription

**Reported bugs**

- App stops working
- App does not load past splash screen
- App is not responding properly
- App crashes when trying to buy subscription
- App starts crashing after a few days

**Requested features**

- DPF REGEN feature
- Ability to select new vehicle easily
- Reactivate perpetual license without reinstalling
- List of approved scanner devices
- Support for WiFi adapters on iOS


## Frequently asked questions

### Is OBD2 Trouble Code free?

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

### Is OBD2 Scanner ELM327 free?

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

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

OBD2 Scanner ELM327 is rated higher. OBD2 Trouble Code averages 3.3 out of 5 from 306 ratings, while OBD2 Scanner ELM327 averages 4.3 from 19 ratings.

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

Neither OBD2 Trouble Code nor OBD2 Scanner ELM327 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.*