# Car Scanner ELM OBD2 vs CodigosDTC

The clearest difference is ads: CodigosDTC at none against Car Scanner ELM OBD2's shown. CodigosDTC also leads on rating (5.0 vs 4.8) and update cadence (every 2 days vs every 5 days). Car Scanner ELM OBD2's advantage is ratings volume (33K vs 2) and iOS requirement (13.0 vs 18.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Car Scanner ELM OBD2 sells 5 in-app purchases, starting at $3.99 per 6 months and CodigosDTC sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

CodigosDTC holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Car Scanner ELM OBD2 has 33K ratings behind it against 2, so its average is the more settled of the two.

Car Scanner ELM OBD2 ships an update every 5 days, CodigosDTC every 2 days. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Car Scanner ELM OBD2 | CodigosDTC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (33K ratings)](https://appshunter.io/ios/app/car-scanner-elm-obd2/id1259933623/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/codigosdtc-diagnostico-obd2/id6793661744/reviews)** |
| Number of ratings | **33K** | 2 |
| Positive reviews | 81.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 181 MB | 49 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stanislav Svistunov](https://appshunter.io/developer/1259933622) | [FIXCAR LLC](https://appshunter.io/developer/6793661896) |

## What reviewers say

### Car Scanner ELM OBD2

[App page](https://appshunter.io/ios/app/car-scanner-elm-obd2/id1259933623)

Monitor your car's real-time performance, diagnose fault codes, and access detailed sensor data. Customize your dashboard with various gauges and charts, and even reset diagnostic trouble codes. This tool helps you understand your vehicle's health and potentially reduce repair costs.

**Highlights:** Real-time vehicle data, OBD fault code reading and resetting, Customizable dashboard with gauges and charts, Extended PID support, Emission test readiness check, HUD mode for windshield projection, Acceleration measurement tool

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Car Scanner Pro (6 months) | $3.99 | per 6 months |
| Car Scanner Pro (1 year) | $4.99 | per year |
| Car Scanner Pro (low price) | $6.99 | one-time |
| Car Scanner Pro (mid price) | $6.99 | one-time |
| Car Scanner Pro (forever) | $7.99 | one-time |

**What reviewers like**

- 🚀 Works great with cheap OBD2 adapters
- 👍 Highly customizable dashboard
- 👍 Comprehensive sensor data
- 👍 Helpful error code lookup
- 👍 Frequent updates

**What reviewers complain about**

- 🐛 Occasional connection issues
- 🐛 Incorrect sensor readings for some vehicles
- 🐛 Crashes or freezes on some devices
- 🔋 Drains battery when left running

**Reported bugs**

- Unable to connect to certain vehicle models
- Incorrect fuel economy calculations
- Sensor data not updating properly in some cases

**Requested features**

- Add support for more vehicle profiles
- Improve CarPlay integration
- Allow custom dashboard templates
- Add option to automatically save data logs
- Expand sensor coverage, especially for transmissions and ABS


### CodigosDTC

[App page](https://appshunter.io/ios/app/codigosdtc-diagnostico-obd2/id6793661744)

Understand your vehicle's diagnostic trouble codes with clear explanations, potential causes, symptoms, and AI-powered solutions. This app helps drivers, students, and mechanics interpret fault codes and make informed decisions before visiting a mechanic.

**Highlights:** Search and understand OBD2 fault codes, Clear explanations of potential problems, Consult causes, symptoms, and solutions, AI-powered automotive support chat, Save vehicle and diagnostic information, Organized fault information

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mensual | $9.99 | per month |
| Premium Anual | $89.99 | per year |


## Frequently asked questions

### Is Car Scanner ELM OBD2 free?

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

### Is CodigosDTC free?

CodigosDTC is free to download, with in-app purchases available.

### Which has better reviews, Car Scanner ELM OBD2 or CodigosDTC?

CodigosDTC is rated higher. Car Scanner ELM OBD2 averages 4.8 out of 5 from 33K ratings, while CodigosDTC averages 5.0 from 2 ratings.

### Do Car Scanner ELM OBD2 or CodigosDTC have ads?

Car Scanner ELM OBD2 shows ads; CodigosDTC does not.

### Which is updated more often, Car Scanner ELM OBD2 or CodigosDTC?

Car Scanner ELM OBD2 ships an update every 5 days, and CodigosDTC every 2 days. Most recently, Car Scanner ELM OBD2 was updated on November 10, 2026 and CodigosDTC on October 31, 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.*