# MHD Flasher vs TOPDON CarPal

The clearest difference is rating: MHD Flasher at 4.5 against TOPDON CarPal's 3.7. MHD Flasher also leads on in-app purchases (none vs 10) and review sentiment (65% vs 40%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TOPDON CarPal sells 10 in-app purchases, starting at $4.99 per month. MHD Flasher asks for nothing beyond the download.

MHD Flasher holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 216 and 45 respectively. Written reviews point the same way: 65% of MHD Flasher's written reviews are positive against 40% of TOPDON CarPal's.

MHD Flasher ships an update weekly, TOPDON CarPal every 3 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | MHD Flasher | TOPDON CarPal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (216 ratings)](https://appshunter.io/ios/app/mhd-flasher/id1468182144/reviews)** | [3.7 (45 ratings)](https://appshunter.io/ios/app/topdon-carpal/id6478524922/reviews) |
| Number of ratings | **216** | 45 |
| Positive reviews | **65.1% of reviews** | 40.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 241 MB | 3.1 GB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MHD Tuning UG (haftungsbeschraenkt)](https://appshunter.io/developer/1445162439) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### MHD Flasher

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

This app allows BMW owners to remap their vehicle's engine control unit for enhanced performance and drivability. It offers full OBD flashing, various performance maps, and real-time engine monitoring. Users can also customize flash options like exhaust burble and Vmax removal.

**Highlights:** Full OBD engine remapping, Multiple performance map stages, Real-time engine parameter monitoring, Configurable gauge layouts, Customizable flash options, Fast installation and map changes, Revert to OEM flash capability

**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


### TOPDON CarPal

[App page](https://appshunter.io/ios/app/topdon-carpal/id6478524922)

Transform your phone into a powerful car diagnostic tool. This app offers comprehensive system checks, full OBD2 functionality, and specialized maintenance services for a wide range of vehicle brands. It provides detailed reports and a repair data library for easier troubleshooting.

**Highlights:** Full System Diagnosis, Full OBD2 Functions, 6 Special Maintenance Functions, AutoVIN Vehicle Identification, Wireless Bluetooth 5.0 Connection, Diagnostic Report Generation

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Auto-renewal | $4.99 | per month |
| Renewal Bundle | $29.99 | per year |
| Renault Gateway  1-Token | $11.99 | one-time |
| VW SFD Gateway  1-Token | $11.99 | one-time |
| FCA Gateway  1-Token | $11.99 | one-time |
| FCA Gateway 30-day Access | $34.99 | one-time |
| VW SFD Gateway 30-day Access | $34.99 | one-time |
| Renault Gateway 5 Tokens | $116.99 | one-time |
| Renault Gateway 5 Tokens | $147.99 | one-time |
| VW SFD Gateway 1-year Access | $199.99 | one-time |


## Frequently asked questions

### Is MHD Flasher free?

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

### Is TOPDON CarPal free?

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

### Which has better reviews, MHD Flasher or TOPDON CarPal?

MHD Flasher is rated higher. MHD Flasher averages 4.5 out of 5 from 216 ratings, while TOPDON CarPal averages 3.7 from 45 ratings.

### Do MHD Flasher or TOPDON CarPal have ads?

Neither MHD Flasher nor TOPDON CarPal shows ads.

### Which is updated more often, MHD Flasher or TOPDON CarPal?

MHD Flasher ships an update weekly, and TOPDON CarPal every 3 weeks. Most recently, MHD Flasher was updated on November 6, 2026 and TOPDON CarPal on November 5, 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.*