# Giotto ScanTool vs bmTuned

The clearest difference is rating: Giotto ScanTool at 3.3 against bmTuned's 3.0. Giotto ScanTool also leads on ratings volume (44 vs 2) and update cadence (every 3 months vs every 7 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Giotto ScanTool holds the better App Store score, 3.3 against 3.0. That said, the two scores are not equally well evidenced: Giotto ScanTool has 44 ratings behind it against 2, so its average is the more settled of the two.

Giotto ScanTool ships an update every 3 months, bmTuned every 7 months. The most recent releases landed on October 14, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Giotto ScanTool | bmTuned |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (44 ratings)](https://appshunter.io/ios/app/giotto-scantool/id1294503417/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/bmtuned/id1625950793/reviews) |
| Number of ratings | **44** | 2 |
| Positive reviews | 30.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 912 MB | 13 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [AutoEnginuity](https://appshunter.io/developer/1294503416) | [OddsMedia, LLC](https://appshunter.io/developer/1543533404) |

## What reviewers say

### Giotto ScanTool

[App page](https://appshunter.io/ios/app/giotto-scantool/id1294503417)

This professional-grade automotive diagnostic tool provides extensive vehicle coverage and deep system access. It helps repair shops and fleet managers quickly service a wide range of vehicles with features like live data, bi-directional controls, and DTC reporting.

**Highlights:** Professional-grade enhanced coverage, Access to ABS, airbag, powertrain, and more, Live data and bi-directional controls, Adaptive resets and learns, DTC report output (XML/PDF), Graphing with pan and zoom, WIFI connectivity

**Features:** macOS Compatibility

**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 Giotto ScanTool free?

Giotto ScanTool 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, Giotto ScanTool or bmTuned?

Giotto ScanTool is rated higher. Giotto ScanTool averages 3.3 out of 5 from 44 ratings, while bmTuned averages 3.0 from 2 ratings.

### Do Giotto ScanTool or bmTuned have ads?

Neither Giotto ScanTool nor bmTuned shows ads.

### Which is updated more often, Giotto ScanTool or bmTuned?

Giotto ScanTool ships an update every 3 months, and bmTuned every 7 months. Most recently, Giotto ScanTool was updated on October 14, 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.*