MHD Flasher vs FOT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MHD Flasher
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.
- 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
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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.
FOT
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FOT 是一款专业车辆走行任务管理的平台。一站式解决车队运维难题,让资产点检、任务管理与数据分析更高效! # 硬盘点检 .FOT 提供了一套完整的硬件状态检查工具,允许用户对车辆上安装的所有硬件设备进行全面检查。通过定期检测,您可以及时发现潜在问题,避免因硬件故障导致的任务中断或延误。我们的系统支持自定义检查清单,确保每个关键部件都得到充分关注。 # 设备点检 .保持车辆的良好状态是保证安全行驶的基础。FOT 的车辆点检功能覆盖了从外观检查到内部机械系统的全方位评估。用户可以通过应用程序快速记录检查结果,并上传照片作为证据。此外,我们还提供了历史数据追踪功能,方便您随时回顾每辆车的状态变化趋势。 # 车辆点检 .除了车辆本身,随车携带的各种专业设备也需要定期维护。FOT 设备点检模块允许用户根据设备类型创建个性化的检查流程,确保所有设备始终处于最佳工作状态。无论是通信设备、急救包还是其他辅助工具,都能在这里找到对应的检查项。
Screenshots
Verdict
The clearest difference is update cadence: MHD Flasher at weekly against FOT's monthly. On price, ads, in-app purchases and device support 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.
MHD Flasher ships an update weekly, FOT monthly. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | MHD Flasher | FOT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (216 ratings) — better | — |
| Positive reviews | 65.1% of reviews | — |
| Number of ratings | 216 — better | — |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 16 |
| Further details — not scored | ||
| Size | 241 MB | 55 MB |
| Age rating | 4+ | 17+ |
| Developer | MHD Tuning UG (haftungsbeschraenkt) | 毅 万 |
Bugs and 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
Show 6 moreShow fewer
- 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)
FOT
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MHD Flasher
No in-app purchases
FOT
No in-app purchases









