Armytrix vs MHD Flasher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Armytrix
This app provides wireless control for exhaust valves and displays real-time ECU data. It simplifies performance monitoring and allows for manual clearing of fault codes, enhancing the tuning experience.
- Wireless connection
- Valvetronic exhaust control
- Real-time ECU data display
- Automatic catalytic converter fault code elimination
- Manual fault code erasing
- Performance data logging
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ARMYTRIX APP is a simple yet powerful addition to the arsenal, designed for your convenience and enhanced the already impressive ARMYTRIX tuning experience. ‧Simple wireless connection. ‧Easy valvetronic control with a press of a button. ‧Relays ECU data real time for monitoring convenience. ‧Automaticly eliminates catalytic converter related fault codes. ‧Manual fault codes erasing available. ‧Data logs allow detailed performance monitoring. Learn more about ARMYTRIX: https://www.armytrix.com/ Got questions? Inquiry@armytrix.com
MHD Flasher
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.
- 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
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MHD Flasher is a complete flash tuning app for your BMW. Unlike a piggyback module, it is capable of complete DME remapping while retaining all OEM safety mechanisms. This allows for maximum performance,maximum safety, and unrivaled drivability. --------------------------------------------- Full OBD Flashing: You can install MHD right at home and start tuning immediately! Simply download the MHD Flasher app that connects via a Wi-Fi adapter to your iOS device and your vehicle’s OBD-II port, start the app, and within 4 minutes the initial installation is complete. Further map changes are much faster - only 20 seconds! You can revert your vehicle to the factory OEM flash at any point, and no initial backup is necessary. --------------------------------------------- Stage 1, Stage 2 und E85 OTS (Off The Shelf) Maps by PureBoost: N55 EWG (Vehicles built after 07/2013 with electronic wastegate): - Stage 1 (up to 360HP/540NM) (not available for M2 and X4 M40i) - Stage 2 (up to 390HP/580NM) - Stage 2+ (up to 430HP/630NM) - Ethanol Mix Maps: Stage 1, 2 and 2+ E20 Maps for ethanol blends of 20% N55 PWG (pneumatic wastegate): - Stage 1 (up to 340HP/540NM) - Stage 2 (up to 370HP/580NM) - Stage 2+ (up to 400HP/630NM) - Ethanol Mix Maps: Stage 1, 2 and 2+ E20 Maps for ethanol blends of 20% S55 (BMW M3 / M4 F8x): - Stage 1 (up to 530HP/700NM) - Stage 2 (up to 560HP/780NM) - Ethanol Mix Maps: Stage 1, 2 and 2+ E30 Maps for ethanol blends of 30% B58: - Stage 1 (up to 420HP/580NM) - Stage 2 (up to 470HP/630NM) - Ethanol Mix Maps: Stage 1, 2 Maps for ethanol blends of 30% --------------------------------------------- Monitor your engine behavior to make sure it is running perfectly using a configurable and very responsive gauge layout. 50+ engine parameters are available at a glance! These are some of the available monitors: - Boost, Boost Target - Lambda (AFR) - Intake Air Temp (IAT) - Ignition Timing per Cylinder - Coolant Temperature - Oil Temperature, Oil Pressure - Transmission Temperature - High Pressure Fuel Pump (HPFP) - Throttle Position - Wastegate Duty-Cycle (WGDC) - RPM - Speed - EGT And many more… MHD exclusive advanced monitor: - Timing Corrections per Cylinder - Boost target EX which can read higher than 22.x psi (the BMW boost target channel can't) - Base Compressor Axis: Boost Setpoint, MAF req WGDC. - Active Torque Limiters And many more… --------------------------------------------- These flash options can be applied to any map directly through the app: - Exhaust Burble (duration & aggressiveness, min speed, min rpm) - N20 Map Sensor (on N55) - Remove top speed limiter (Vmax) - Cold start noise reduction - Exhaust flap open in sport mode - Limit power per gear - XHP TCU flash support (optimizied OTS maps) - Sport cooling mode for increased water / air intercooler cooling (B58 only) --------------------------------------------- Supported E-Series Vehicles: 135i, 135is, 335i and 535i 2006-2013 335is 2011-2013 Z4 35i/is 2009-2015 1M 2011-2012 X1 35i 2010-2013 X5 35i 2010-2013 X6 35i 2008-2014 Supported F/G Series Vehicles: M135i F2x N55 2012 - 2016 M235i F2x N55 2013 - 2016 M2 F87 N55 2015 - 2018 335i N55 F3x 2011 - 2015 435i N55 F3x 2013 - 2016 535i / GT N55 F1x 2010 - 2017 640i N55 F0x 2011 - 2017 740i N55 F0x 2012 - 2015 X3 35i N55 F25 2010 - 2017 X4 35i / M40i N55 F26 2014 - 2018 X5 40i N55 F15 2013 - 2018 X6 40i N55 F16 2014 - 2018 M3 S55 F80 2014 - 2019 M4 S55 F82 2014 - 2019 M4 S55 F83 2014 - 2019 M140i F2x 2012 - 2019 M240i F2x 2016 - 2019 340i F3x 2015 - 2019 440i F3x 2016 - 2019 540i G3x 2017 - 640i GT G32 2017 - 740i G1x F0x 2015 - X3 M40i G01 2017 - X4 M40i G02 2018 - X5 40i G05 2018 - Z4 M40i G29 2019 - 114i F2x 2012 - 2015 116i F2x 2011 - 2015 118i F2x 2011 - 2016 120i F2x 2015 - 2017 316i F3x 2012 - 2018 X-Drive is supported on all cars. All performance power kit cars are supported. Check out our homepage / user manual for more information and recommended modifications for each stage.
Screenshots
Verdict
The clearest difference is review sentiment: MHD Flasher at 65% against Armytrix's 18%. MHD Flasher also leads on update cadence (fortnightly vs every 7 months) and device support (3 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Armytrix ships an update every 7 months, MHD Flasher fortnightly. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.
| Parameter | Armytrix | MHD Flasher |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (206 ratings) — better |
| Positive reviews | 17.6% of reviews | 65.1% of reviews — better |
| Number of ratings | — | 206 — better |
| Update frequency | Every 7 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 239 MB |
| Age rating | 4+ | 4+ |
| Developer | ARMYTRIX CORP. | MHD Tuning UG (haftungsbeschraenkt) |
Customer experience
Armytrix
MHD Flasher
Bugs and requests
Armytrix
Not enough reviews yet to summarise bugs or requests.
MHD Flasher
Reported bugs
16 issues- 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
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- Unable to upload logs to SpoolStreet
- Cannot edit burples settings after update
- Failed flashes (7+ consecutive failures reported)
- Invalid credentials error on new device login
- Monitor license not functioning
- Anti-lag feature cannot be removed once flashed
- Lumpy cold start with startup roar enabled
- WiFi adapter disconnects during mapping
- Unable to prepare memory section errors
- User guide PDF crashes app
- Missing custom tunes after app migration
Requested features
11 requests- 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
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- License transfer capability for car sales
- Support for Gen 2 B58 with MHD+ features
- Ability to revert to previous OTS map versions
- Detailed release notes for OTS map updates
- Custom tune file transfer to new app
- Burbles setting in regular mode (not just sport mode)
In-app purchases
Armytrix
No in-app purchases
MHD Flasher
No in-app purchases









