# Car Scanner ELM OBD2 vs OBDocker

The clearest difference is rating: Car Scanner ELM OBD2 at 4.8 against OBDocker's 3.9. Car Scanner ELM OBD2 also leads on review sentiment (81% vs 47%) and ratings volume (33K vs 17). OBDocker's advantage is ads (none vs shown). 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 OBDocker sells 7 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Car Scanner ELM OBD2 holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Car Scanner ELM OBD2 has 33K ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 81% of Car Scanner ELM OBD2's written reviews are positive against 47% of OBDocker's.

Car Scanner ELM OBD2 ships an update every 5 days, OBDocker fortnightly. The most recent releases landed on November 8, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Car Scanner ELM OBD2 | OBDocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (33K ratings)](https://appshunter.io/ios/app/car-scanner-elm-obd2/id1259933623/reviews)** | [3.9 (17 ratings)](https://appshunter.io/ios/app/obdocker-obd2-car-scanner/id6466999549/reviews) |
| Number of ratings | **33K** | 17 |
| Positive reviews | **81.1% of reviews** | 46.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 181 MB | 238 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stanislav Svistunov](https://appshunter.io/developer/1259933622) | [Motorsure. Inc](https://appshunter.io/developer/1707281085) |

## 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


### OBDocker

[App page](https://appshunter.io/ios/app/obdocker-obd2-car-scanner/id6466999549)

This app acts as a professional OBD2 car scanner, enabling users to diagnose, service, and customize their vehicles. It offers comprehensive diagnostic modes, real-time data monitoring, and various service functions like oil resets and battery registration.

**Highlights:** Triple-mode diagnostics (Full-Systems, Multi-Systems, Quick Scan), Triple-mode live data monitoring (Health, Engine, Dash), Full-cycle service functions (Emissions Pre-Check, Control Tests, Oil Reset, Battery Registration), One-click car setting adjustments and retrofits, Supports a wide range of car brands and models

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBD Pro (Monthly) | $2.99 | per month |
| OBD Pro Max (Monthly) | $7.99 | per month |
| OBD2 Pro (6 Months) | $14.99 | per 6 months |
| OBD Pro (Annual) | $17.99 | per year |
| Mechanic Access (Quarterly) | $19.99 | per 3 months |
| OBD Pro Max (Annual) | $47.99 | per year |
| OBD Pro Max (Permanent) | $119.99 | one-time |


## Frequently asked questions

### Is Car Scanner ELM OBD2 free?

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

### Is OBDocker free?

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

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

Car Scanner ELM OBD2 is rated higher. Car Scanner ELM OBD2 averages 4.8 out of 5 from 33K ratings, while OBDocker averages 3.9 from 17 ratings.

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

Car Scanner ELM OBD2 shows ads; OBDocker does not.

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

Car Scanner ELM OBD2 ships an update every 5 days, and OBDocker fortnightly. Most recently, Car Scanner ELM OBD2 was updated on November 8, 2026 and OBDocker on November 3, 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.*