# ECU Connect vs DumaOS

The clearest difference is review sentiment: ECU Connect at 62% against DumaOS's 23%. ECU Connect also leads on rating (4.0 vs 3.6) and update cadence (every 3 weeks vs every 3 months). DumaOS's advantage is iOS requirement (12.2 vs 15.0). On price, ratings volume, 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 3.6. Both are backed by a comparable volume of ratings — 88 and 87 respectively. Written reviews point the same way: 62% of ECU Connect's written reviews are positive against 23% of DumaOS's.

ECU Connect ships an update every 3 weeks, DumaOS every 3 months. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ECU Connect | DumaOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (88 ratings)](https://appshunter.io/ios/app/ecu-connect/id1140860609/reviews)** | [3.6 (87 ratings)](https://appshunter.io/ios/app/dumaos/id1532022492/reviews) |
| Number of ratings | **88** | 87 |
| Positive reviews | **62.1% of reviews** | 23.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 83 MB | 122 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EcuTek Technologies Ltd](https://appshunter.io/developer/1140860608) | [Netduma](https://appshunter.io/developer/1508156772) |

## 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


### DumaOS

[App page](https://appshunter.io/ios/app/dumaos/id1532022492)

Optimize your gaming network and reduce lag with this router management app. Features include geo-filtering for better matches, bandwidth prioritization, and an adblocker for all connected devices. Monitor network activity and manage devices easily.

**Highlights:** Geo-Filter for low-ping matches, SmartBOOST bandwidth prioritization, Ping Optimiser for smooth gaming, Ping Heatmap for server quality, Network Activity monitoring, Router-level Adblocker, Device Manager

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

**In-app purchases:** none


## Frequently asked questions

### Is ECU Connect free?

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

### Is DumaOS free?

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

### Which has better reviews, ECU Connect or DumaOS?

ECU Connect is rated higher. ECU Connect averages 4.0 out of 5 from 88 ratings, while DumaOS averages 3.6 from 87 ratings.

### Do ECU Connect or DumaOS have ads?

Neither ECU Connect nor DumaOS shows ads.

### Which is updated more often, ECU Connect or DumaOS?

ECU Connect ships an update every 3 weeks, and DumaOS every 3 months. Most recently, ECU Connect was updated on October 13, 2026 and DumaOS on October 17, 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.*