# MHD Flasher vs Cartomizer

The clearest difference is in-app purchases: MHD Flasher at none against Cartomizer's 1. MHD Flasher also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (13.0 vs 15.6). Cartomizer's advantage is review sentiment (86% vs 65%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Cartomizer sells 1 one-off in-app purchase. MHD Flasher asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for MHD Flasher against 4.5 for Cartomizer. Both are backed by a comparable volume of ratings — 206 and 518 respectively. Written reviews are what separate them: 65% of MHD Flasher's written reviews are positive against 86% of Cartomizer's.

MHD Flasher ships an update fortnightly, Cartomizer every 3 months. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | MHD Flasher | Cartomizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (206 ratings)](https://appshunter.io/ios/app/mhd-flasher/id1468182144/reviews) | [4.5 (518 ratings)](https://appshunter.io/ios/app/cartomizer/id1515523302/reviews) |
| Number of ratings | 206 | **518** |
| Positive reviews | 65.1% of reviews | **86.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 239 MB | 60 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MHD Tuning UG (haftungsbeschraenkt)](https://appshunter.io/developer/1445162439) | [Ron Levy](https://appshunter.io/developer/1515448985) |

## What reviewers say

### MHD Flasher

[App page](https://appshunter.io/ios/app/mhd-flasher/id1468182144)

This app allows for complete DME remapping of BMW vehicles, offering maximum performance and safety. It provides full OBD flashing, pre-configured performance maps, and advanced engine monitoring capabilities. Users can also customize various flash options for a personalized driving experience.

**Highlights:** Complete DME remapping, Full OBD flashing, Pre-configured performance maps (Stage 1, 2, E85), Advanced engine monitoring, Customizable flash options, Revert to factory OEM flash

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast flashing speeds (16-30 seconds)
- 👍 User-friendly interface and intuitive design
- 💪 Significant power gains and performance improvements
- 🎯 Excellent OTS (off-the-shelf) maps with multiple fuel options
- 📊 Comprehensive data logging and monitoring capabilities

**What reviewers complain about**

- 🐛 Frequent app crashes and stability issues
- ❌ Recent update broke core functionality for many users
- 🔌 Connection problems with WiFi adapters
- 📵 Unable to open app after recent updates
- 😞 Poor customer support responsiveness (recent)

**Reported bugs**

- App crashes on iOS 26.2 and newer versions
- Unable to flash after recent updates
- Unable to erase memory errors
- App fails to open after installation
- Connection constantly disconnects on N55 F30 platform

**Requested features**

- Add 94 octane fuel option
- Support for diesel engines
- Support for N63 engine tuning
- Max cooling fan option in new app
- Ability to change login email/username


### Cartomizer

[App page](https://appshunter.io/ios/app/cartomizer/id1515523302)

Visualize aftermarket wheels on your car before purchasing. This app uses AI to automatically detect and replace your current wheels with new ones, eliminating manual adjustments and camera angle concerns. Simply upload a photo of your car and try out different wheel styles.

**Highlights:** AI wheel detection and replacement, Visualize wheels on your own car, Automatic wheel adjustment, No manual effort required, Try different wheel styles, Upload car photos

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add one wheel | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Helpful visual tool
- 💡 Useful for choosing wheels
- 👍 Realistic wheel visualization
- 👍 Excellent app

**What reviewers complain about**

- 💰 Paid to add custom wheels
- 🐛 Limited wheel selection
- 🐛 Wheels look like 2D images
- 🐛 Inconsistent quality of wheel visualization

**Reported bugs**

- Requires paid unlock to add custom wheels
- Paid unlock only allows one custom wheel upload

**Requested features**

- Add more wheel options
- Allow changing car color
- Improve depth perception of wheels
- Save custom wheel selections


## Frequently asked questions

### Is MHD Flasher free?

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

### Is Cartomizer free?

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

### Which has better reviews, MHD Flasher or Cartomizer?

MHD Flasher and Cartomizer are both rated 4.5 out of 5 on the App Store, from 206 and 518 ratings respectively.

### Do MHD Flasher or Cartomizer have ads?

Neither MHD Flasher nor Cartomizer shows ads.

### Which is updated more often, MHD Flasher or Cartomizer?

MHD Flasher ships an update fortnightly, and Cartomizer every 3 months. Most recently, MHD Flasher was updated on October 17, 2026 and Cartomizer on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*