# TuneBoss ECU vs bmTuned

The clearest difference is rating: TuneBoss ECU at 3.5 against bmTuned's 3.0. TuneBoss ECU also leads on update cadence (every 2 weeks vs every 7 months). bmTuned's advantage is device support (4 vs 2). 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.

TuneBoss ECU holds the better App Store score, 3.5 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

TuneBoss ECU ships an update every 2 weeks, bmTuned every 7 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | TuneBoss ECU | bmTuned |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/tuneboss-ecu/id1593810669/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/bmtuned/id1625950793/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 40.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 7 months |
| Monetization | Free | Free |
| Size | 66 MB | 13 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [FSR Technology](https://appshunter.io/developer/1593810671) | [OddsMedia, LLC](https://appshunter.io/developer/1543533404) |

## What reviewers say

### TuneBoss ECU

[App page](https://appshunter.io/ios/app/tuneboss-ecu/id1593810669)

This application is for advanced users and requires a specific TuneBoss ECU unit (sold separately). It is designed for use with authorized tuning centers and comes with a disclaimer for use at your own risk.

**Highlights:** Requires TuneBoss ECU unit, For advanced users, Support for authorized tuning centers, Use at own risk disclaimer

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

**In-app purchases:** none


### bmTuned

[App page](https://appshunter.io/ios/app/bmtuned/id1625950793)

This platform allows BMW owners to customize their vehicles' engine control units (ECUs) and automatic transmissions (TCUs). It also enables seamless conversion between AWD and RWD modes for supported xDrive models.

**Highlights:** ECU tuning for N54, N55, N13 engines, Flash off-the-shelf maps, Adjust automatic transmission settings, Customize AWD xDrive vehicles, Convert between AWD and RWD modes

**In-app purchases:** none


## Frequently asked questions

### Is TuneBoss ECU free?

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

### Is bmTuned free?

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

### Which has better reviews, TuneBoss ECU or bmTuned?

TuneBoss ECU is rated higher. TuneBoss ECU averages 3.5 out of 5 from 2 ratings, while bmTuned averages 3.0 from 2 ratings.

### Do TuneBoss ECU or bmTuned have ads?

Neither TuneBoss ECU nor bmTuned shows ads.

### Which is updated more often, TuneBoss ECU or bmTuned?

TuneBoss ECU ships an update every 2 weeks, and bmTuned every 7 months. Most recently, TuneBoss ECU was updated on October 24, 2026 and bmTuned on October 19, 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.*