# UMA Tune vs bmTuned

The clearest difference is rating: UMA Tune at 3.6 against bmTuned's 3.0. UMA Tune also leads on update cadence (every 2 weeks vs every 7 months) and iOS requirement (10.0 vs 15.6). bmTuned's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. UMA Tune sells 2 one-off in-app purchases. bmTuned asks for nothing beyond the download.

UMA Tune holds the better App Store score, 3.6 against 3.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

UMA Tune ships an update every 2 weeks, bmTuned every 7 months. The most recent releases landed on October 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | UMA Tune | bmTuned |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/uma-tune/id1405467126/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/bmtuned/id1625950793/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 25.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 122 MB | 13 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [UMA RACING SDN. BHD.](https://appshunter.io/developer/1403287201) | [OddsMedia, LLC](https://appshunter.io/developer/1543533404) |

## What reviewers say

### UMA Tune

[App page](https://appshunter.io/ios/app/uma-tune/id1405467126)

Monitor and adjust engine parameters for M5 ECUs. Features include real-time data monitoring, power metering, log analysis, and malf-code reading. Offers advanced tuning capabilities and map sharing.

**Highlights:** Real-time engine data monitoring, Power meter (HP/torque/acceleration), Log data analysis, Malf-code reading, Engine parameter adjustment, Tuning map sharing

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto Tune | $2.99 | one-time |
| Basic Functionality | $9.99 | one-time |


### 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 UMA Tune free?

UMA Tune is free to download, with in-app purchases available.

### Is bmTuned free?

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

### Which has better reviews, UMA Tune or bmTuned?

UMA Tune is rated higher. UMA Tune averages 3.6 out of 5 from 5 ratings, while bmTuned averages 3.0 from 2 ratings.

### Do UMA Tune or bmTuned have ads?

Neither UMA Tune nor bmTuned shows ads.

### Which is updated more often, UMA Tune or bmTuned?

UMA Tune ships an update every 2 weeks, and bmTuned every 7 months. Most recently, UMA Tune was updated on October 16, 2026 and bmTuned on September 14, 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.*