# Car Scanner ELM OBD2 vs UJS OBD Pro

The clearest difference is in-app purchases: UJS OBD Pro at none against Car Scanner ELM OBD2's 7. UJS OBD Pro also leads on ads (none vs shown) and iOS requirement (13 vs 17.6). Car Scanner ELM OBD2's advantage is update cadence (every 3 days vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. Car Scanner ELM OBD2 sells 7 in-app purchases, starting at $6.99 per 7 days. UJS OBD Pro asks for nothing beyond the download.

Car Scanner ELM OBD2 ships an update every 3 days, UJS OBD Pro every 5 weeks. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Car Scanner ELM OBD2 | UJS OBD Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (18 ratings)](https://appshunter.io/ios/app/car-scanner-elm-obd2-torque/id6758354086/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 55 MB | 148 MB |
| Requires iOS | 17.6 | **13** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SINAN ATAKUL](https://appshunter.io/developer/1872496443) | [UJS INC](https://appshunter.io/developer/1842801577) |

## What reviewers say

### Car Scanner ELM OBD2

[App page](https://appshunter.io/ios/app/car-scanner-elm-obd2-torque/id6758354086)

Transform your iPhone into a powerful car diagnostic tool. Read and clear trouble codes, monitor live vehicle sensor data, and understand check engine light warnings. Works with most vehicles manufactured since 1996 using standard OBD2 adapters.

**Highlights:** Read and clear OBD2 trouble codes, Understand check engine light warnings, Monitor live vehicle sensor data, Supports most vehicles since 1996, Fast setup with ELM327 adapters, Avoid guesswork and costly surprises

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Car Scanner Pro - Obd2 ELM Weekly | $6.99 | per 7 days |
| Car Scanner Pro Weekly | $9.99 | per 7 days |
| Car Scanner Pro -Diagnostic Monthly | $14.99 | per month |
| Car Scanner - Obd2 Special Offer | $34.99 | per year |
| Car Scanner Special Offer | $49.99 | per year |
| Car Scanner Pro Annual All Brands | $69.99 | per year |
| Car Scanner Pro Annual | $99.99 | per year |


### UJS OBD Pro

[App page](https://appshunter.io/ios/app/ujs-obd-pro/id6761961923)

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

**In-app purchases:** none


## Frequently asked questions

### Is Car Scanner ELM OBD2 free?

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

### Is UJS OBD Pro free?

UJS OBD Pro is free to download, with no in-app purchases.

### Do Car Scanner ELM OBD2 or UJS OBD Pro have ads?

Car Scanner ELM OBD2 shows ads; UJS OBD Pro does not.

### Which is updated more often, Car Scanner ELM OBD2 or UJS OBD Pro?

Car Scanner ELM OBD2 ships an update every 3 days, and UJS OBD Pro every 5 weeks. Most recently, Car Scanner ELM OBD2 was updated on October 31, 2026 and UJS OBD Pro on October 28, 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.*