MHD N55 E vs MKFlasher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MHD N55 E
This utility app is being retired and users are encouraged to switch to a unified flasher app. It retains some functionality for reading and clearing engine error codes, analyzing past data logs, and accessing vehicle licenses and user guides.
- Read and clear engine DTC error codes
- Graph and analyze prior datalogs
- View existing vehicle licenses
- Access user guide
- Transition to unified flasher app
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This app is being retired. Please switch to our unified "MHD Flasher" app which now supports all E/F/G series vehicles / engines as well as Supra. This app will remain as a shell to help you switch over. Additionally, some functionality will remain to read and clear engine DTC error codes, graph and analyze your prior datalogs, view your existing vehicle licenses, and access the user guide!
MKFlasher
Monitor your BMW's engine performance in real-time, read and clear fault codes, and capture detailed data logs. This tool allows for customizable dashboards and analysis of modifications and tune results.
- Real-time engine parameter monitoring
- Customizable live dashboard
- Read and clear fault codes
- Record and export performance data logs
- Multi-system diagnostics
- Smart value tracking
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Monitor Your BMW Like a Pro Real-time engine monitoring for BMW E-Series through G-Series vehicles. See exactly what your engine is doing, troubleshoot issues instantly, and capture detailed performance data—all from your phone. Live Engine Dashboard - Real-Time Monitoring - Watch critical parameters as you drive: boost, temperatures, pressures, timing, and more - Fully Customizable - Build your perfect dashboard layout with drag-and-drop simplicity - Responsive & Fast - Instant updates with zero lag. See everything happening in real-time - Smart Value Tracking - App learns min/max ranges for each parameter as you drive Troubleshoot with Confidence - Read Fault Codes - Get complete trouble codes instantly - Clear Codes - Reset codes after repairs - Understand Issues - Know exactly what's wrong before hitting the shop - Multi-System Access - Engine, transmission, and system diagnostics in one app Capture & Analyze Performance - Record Sessions - Save real-time data logs while driving - CSV Export - Download logs to use with industry-standard tools (MegaLogViewer, Datazap, etc.) - Track Changes - Monitor modifications and tune results over time - Professional Analysis - Review detailed parameter history anytime Monitor Key Parameters - Engine: RPM, Throttle Position, Ignition Timing per Cylinder - Boost: Boost Pressure, Boost Target, Wastegate Duty-Cycle - Temperatures: Coolant, Oil, Intake Air, EGT - Fuel: Lambda, HPFP, Fuel Trim - Transmission: Torque Limiters, Timing Corrections - And dozens more... Simple Setup Connect via one of these adapters: - ENET Cable to Lightning Adapter - KDCan WiFi Adapter - ENET WiFi Adapter Whether you're running a classic E90 335i, an F80 M3, or the latest G-Series—if it's a BMW with an engine bay, we've got you covered. From tuners to daily drivers. From diagnostics to performance tracking. MKFlasher puts BMW diagnostic tools in your pocket. * For off-road use only. *************************************************************** Supported Cars: 2012 - 2016 M135i F2x N55 2013 - 2016 M235i F2x N55 2015 - 2018 M2 F87 N55 2011 - 2015 335i N55 F3x 2013 - 2016 435i N55 F3x 2010 - 2017 535i / GT N55 F1x 2011 - 2017 640i N55 F0x 2012 - 2015 740i N55 F0x 2010 - 2017 X3 35i N55 F25 2014 - 2018 X4 35i / M40i N55 F26 2013 - 2018 X5 40i N55 F15 2014 - 2018 X6 40i N55 F16 2014 - 2019 M3 S55 F80 2014 - 2019 M4 S55 F82 2014 - 2019 M4 S55 F83 2012 - 2019 M140i F2x 2016 - 2019 M240i F2x 2015 - 2019 340i F3x 2016 - 2019 440i F3x 2017 - xxxx 540i G3x 2017 - xxxx 640i GT G32 2015 - xxxx 740i G1x F0x 2017 - xxxx X3 M40i G01 2018 - xxxx X4 M40i G02 2018 - xxxx X5 40i G05 2019 - xxxx Z4 M40i G29 2012 - 2015 114i F2x 2011 - 2015 116i F2x 2011 - 2016 118i F2x 2015 - 2017 120i F2x 2012 - 2018 316i F3x 2006 - 2010 135i, 335i and 535i 2011 - 2013 335is 2009 - 2015 Z4 35i/is 2011 - 2012 1M 2008 - 2010 X6 35i 2010 - 2013 135i, 135is and 335i 2013 - 2015 X1 35i 2010 - 2013 X5 35i 2011 – 2014 X6 35i Disclaimer: For off-road use only.
Screenshots
Verdict
The clearest difference is rating: MHD N55 E at 4.6 against MKFlasher's 3.0. MHD N55 E also leads on in-app purchases (none vs 11) and ratings volume (53 vs 1). On price, update cadence, ads and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. MKFlasher sells 11 one-off in-app purchases. MHD N55 E asks for nothing beyond the download.
MHD N55 E holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: MHD N55 E has 53 ratings behind it against 1, so its average is the more settled of the two.
MHD N55 E ships an update every 3 weeks, MKFlasher monthly. The most recent releases landed on June 11, 2026 and September 13, 2026 respectively.
| Parameter | MHD N55 E | MKFlasher |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (53 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 79.2% of reviews | — |
| Number of ratings | 53 — better | 1 |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.2 — better | 15.6 |
| Further details — not scored | ||
| Size | 123 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | MHD Tuning UG (haftungsbeschraenkt) | Gabriel M Kozma |
Customer experience
MHD N55 E
MKFlasher
In-app purchases
MHD N55 E
No in-app purchases
MKFlasher
- License for the connected car$23.99
- License for the connected car$29.99
- License for the connected car$39.99
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