# OBDII Scanner ELM327 OBD2 vs ECUconnect

The clearest difference is in-app purchases: ECUconnect at none against OBDII Scanner ELM327 OBD2's 1. OBDII Scanner ELM327 OBD2's advantage is update cadence (every 2 days vs every 5 months) and iOS requirement (12.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. OBDII Scanner ELM327 OBD2 sells 1 one-off in-app purchase. ECUconnect asks for nothing beyond the download.

OBDII Scanner ELM327 OBD2 ships an update every 2 days, ECUconnect every 5 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | OBDII Scanner ELM327 OBD2 | ECUconnect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (10 ratings)](https://appshunter.io/ios/app/obdii-scanner-elm327-obd2/id6450936937/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 13 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [paul moore](https://appshunter.io/developer/1655343480) | [TPE Europe GmbH](https://appshunter.io/developer/1561470951) |

## What reviewers say

### OBDII Scanner ELM327 OBD2

[App page](https://appshunter.io/ios/app/obdii-scanner-elm327-obd2/id6450936937)

This app allows you to scan your car's trouble codes and view live data using an OBD2 Bluetooth adapter. It logs statistics and freeze frames for future reference, storing all diagnostic trouble codes (DTCs) on a server.

**Highlights:** Scan car trouble codes, View live data, Log live statistics, Log freeze frame data, Store DTCs on server, Bluetooth and WiFi support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UK | $1.99 | one-time |


### ECUconnect

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

**In-app purchases:** none


## Frequently asked questions

### Is OBDII Scanner ELM327 OBD2 free?

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

### Is ECUconnect free?

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

### Do OBDII Scanner ELM327 OBD2 or ECUconnect have ads?

Neither OBDII Scanner ELM327 OBD2 nor ECUconnect shows ads.

### Which is updated more often, OBDII Scanner ELM327 OBD2 or ECUconnect?

OBDII Scanner ELM327 OBD2 ships an update every 2 days, and ECUconnect every 5 months. Most recently, OBDII Scanner ELM327 OBD2 was updated on November 3, 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.*