# ECU Connect vs Mini OBDII

The clearest difference is rating: ECU Connect at 4.0 against Mini OBDII's 3.4. ECU Connect also leads on review sentiment (62% vs 38%) and ratings volume (88 vs 5). Mini OBDII's advantage is iOS requirement (11 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ECU Connect holds the better App Store score, 4.0 against 3.4. That said, the two scores are not equally well evidenced: ECU Connect has 88 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 62% of ECU Connect's written reviews are positive against 38% of Mini OBDII's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ECU Connect | Mini OBDII |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (88 ratings)](https://appshunter.io/ios/app/ecu-connect/id1140860609/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/mini-obdii/id1530755839/reviews) |
| Number of ratings | **88** | 5 |
| Positive reviews | **62.1% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 83 MB | 33 MB |
| Requires iOS | 15.0 | **11** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EcuTek Technologies Ltd](https://appshunter.io/developer/1140860608) | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) |

## What reviewers say

### ECU Connect

[App page](https://appshunter.io/ios/app/ecu-connect/id1140860609)

This app allows you to program tuned files directly to your car's ECU using your phone. It also provides real-time engine performance monitoring and customizable dashboards. A Bluetooth interface is required for full functionality.

**Highlights:** Program tuned ECU files wirelessly, Real-time engine performance monitoring, Customizable parameter dashboards, Log engine data with GPS coordinates, Adjust RaceROM features on the fly, Connects via Bluetooth Vehicle Interface

**In-app purchases:** none

**What reviewers like**

- 👍 Great app for tuning
- 💪 Allows map switching
- 📱 Customizable dashboard
- 🚀 Fast performance
- 🔧 Works with hardware

**What reviewers complain about**

- ⚠️ Throttle sensitivity restriction
- 😵 Finicky flashing process
- 🚫 No transmission logging
- 📱 Requires phone for display
- 🐛 Boost gauge not working

**Reported bugs**

- App kicks you out when changing background
- Refusals to flash citing nonexistent problems
- Super finicky about battery voltage
- Zero transmission logging
- Latest firmware update no longer allowing app to read car interface on iOS

**Requested features**

- CarPlay support
- Android Auto support
- CarPlay widget
- Widget for iOS home screen
- Landscape dashboard view


### Mini OBDII

[App page](https://appshunter.io/ios/app/mini-obdii/id1530755839)

This app connects to your vehicle via Bluetooth or WiFi to perform diagnostics and monitor driving. It reads and clears fault codes, analyzes performance, and tracks your travel data. Supports multiple languages and high-speed data transmission.

**Highlights:** Fault code reading and clearing, Instrument panel monitoring, Performance testing, Travel analysis, High-speed data transmission, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECU Connect free?

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

### Is Mini OBDII free?

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

### Which has better reviews, ECU Connect or Mini OBDII?

ECU Connect is rated higher. ECU Connect averages 4.0 out of 5 from 88 ratings, while Mini OBDII averages 3.4 from 5 ratings.

### Do ECU Connect or Mini OBDII have ads?

Neither ECU Connect nor Mini OBDII shows ads.

### Which is updated more often, ECU Connect or Mini OBDII?

ECU Connect ships an update every 3 weeks, and Mini OBDII every 3 weeks. Most recently, ECU Connect was updated on October 13, 2026 and Mini OBDII on October 6, 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.*