# bootmod3 vs Game Shell

The clearest difference is iOS requirement: bootmod3 at 15.0 against Game Shell's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | bootmod3 | Game Shell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.9K ratings)](https://appshunter.io/ios/app/bootmod3/id1170348811/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 69.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Paid | — |
| Size | 179 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [PRO TUNING FREAKS INC.](https://appshunter.io/developer/1170348810) | [Elliot Williams](https://appshunter.io/developer/991432050) |

## What reviewers say

### bootmod3

[App page](https://appshunter.io/ios/app/bootmod3/id1170348811)

This platform enables users to unlock the full performance potential of their BMW, Mini, and Toyota Supra vehicles by flashing the factory ECU and TCU. It offers features like map switching, flex fuel tuning, and anti-lag, allowing for significant horsepower gains and custom performance adjustments.

**Highlights:** ECU and TCU flashing, Map switching via steering wheel, Flex Fuel tuning, Anti-Lag functionality, Live monitoring and datalogging, Customizable map editor

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use app
- 🚀 Fast flashing and tuning
- 💪 Excellent performance gains
- 🔧 Great customization and tuning options
- ⭐ Fantastic customer support

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 🔍 Difficulty with certain features (e.g. burbles, code clearing)
- 🤔 Compatibility problems with newer iOS versions
- 🧰 Concerns about bricking ECU

**Reported bugs**

- App crashes or freezes after updates
- Inability to connect to car after iOS updates
- Trouble with flashing and tune loading

**Requested features**

- Add support for more BMW models
- Improve app UI/UX for better usability
- Expand customization options (e.g. cold start, map selection)
- Enhance data logging and diagnostics


### Game Shell

[App page](https://appshunter.io/ios/app/game-shell/id6756507132)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is bootmod3 free?

bootmod3 is free to download, with no in-app purchases.

### Is Game Shell free?

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

### Do bootmod3 or Game Shell have ads?

Neither bootmod3 nor Game Shell shows ads.

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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.*