# Car Scanner OBD2 ELM vs ECUconnect

The clearest difference is in-app purchases: ECUconnect at none against Car Scanner OBD2 ELM's 4. ECUconnect also leads on ads (none vs shown). Car Scanner OBD2 ELM's advantage is update cadence (fortnightly vs every 5 months) and iOS requirement (15.0 vs 18.2). On price and device support there is nothing between them.

Both are free to download. Car Scanner OBD2 ELM sells 4 in-app purchases, starting at $2.99 per 7 days. ECUconnect asks for nothing beyond the download.

Car Scanner OBD2 ELM ships an update fortnightly, ECUconnect every 5 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Car Scanner OBD2 ELM | ECUconnect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (39 ratings)](https://appshunter.io/ios/app/car-scanner-obd2-elm-obd-mary/id1456542840/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 92.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 13 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ihar Katkavets](https://appshunter.io/developer/1439778280) | [TPE Europe GmbH](https://appshunter.io/developer/1561470951) |

## What reviewers say

### Car Scanner OBD2 ELM

[App page](https://appshunter.io/ios/app/car-scanner-obd2-elm-obd-mary/id1456542840)

This app functions as a universal vehicle scanner using the OBD2 standard. It connects to your car via WiFi or Bluetooth 4.0 LE adapters to diagnose and scan electronic control modules. Users need a compatible ELM327 adapter to utilize its diagnostic capabilities.

**Highlights:** Universal OBD2 scanning, Works with WiFi adapters, Works with Bluetooth 4.0 LE adapters, Diagnose electronic control modules (ECUs), Quick start guide for ELM327 adapters

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Monthly | $7.99 | per month |
| Premium Yearly | $29.99 | per year |
| Full Edition | $9.99 | one-time |


### ECUconnect

[App page](https://appshunter.io/ios/app/ecuconnect/id6502191237)

**In-app purchases:** none


## Frequently asked questions

### Is Car Scanner OBD2 ELM free?

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

### Is ECUconnect free?

ECUconnect is free to download, with no in-app purchases.

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

Car Scanner OBD2 ELM shows ads; ECUconnect does not.

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

Car Scanner OBD2 ELM ships an update fortnightly, and ECUconnect every 5 months. Most recently, Car Scanner OBD2 ELM was updated on November 2, 2026 and ECUconnect on November 4, 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.*