Comparison

MHD Flasher vs Velocity Lab Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

Velocity Lab Pro

Measure your vehicle's horsepower, acceleration, and speed with just your phone. Analyze performance data with interactive charts and compare the impact of aftermarket parts. Compatible with electric vehicles and includes track weather data for optimal tuning.

Highlights
  • Accurate horsepower measurement
  • 1/4 and 1/8 mile trap speed/times
  • EV compatibility
  • Track/road weather data
  • Interactive performance charts
  • Aftermarket parts comparison
  • Performance metric sharing
Features
Read full description

Calculate your vehicles horsepower...with just a phone! Our app provides accurate HP measurements and more. Experience precision performance tuning like never before with Velocity Lab! Our advanced app harnesses the power of cutting-edge technology to provide you with precise and detailed performance data that lets you fine-tune your vehicle to perfection. With Velocity Lab, you'll have access to a wealth of features, including: • Accurate HORSEPOWER, 1/4 and 1/8 mile trap speed and times: Get precise performance data for acceleration and speed over these two critical distances. • Horsepower measurements: Accurately measure wheel horsepower without the need to pay big bucks to visit the track and Dyno. We promise its accurate, after all it is just physics and math. • EV Compatibility - Works with Tesla, GM, Ford Lighting, Ford Mustang EV or Porsche Taycans. • Track/Road Weather. Get important weather data that gives insights into surface conditions ensuring optimal grip and engine or turbo performance. • Interactive charts: Our easy-to-read charts and graphs provide you with a detailed breakdown of vehicle performance, letting you quickly identify areas for improvement. • Compare aftermarket parts: Find out if that cold air intake or new exhaust system is really helping your vehicle's performance. • Share functionality: Share your performance metrics with friends, family, or your local car community with our easy-to-use share functionality. Velocity Lab is perfect for everyone from car enthusiasts to professional racers. Whether you're looking to fine-tune your vehicle's performance or just curious about your vehicle's capabilities, our app is the ultimate tool for precision performance tuning. So why wait? Try Velocity Lab today and take control of your vehicle's performance! By downloading this app you agree to only use this app on closed courses on non public roads.

Screenshots

MHD Flasher4 screens
Velocity Lab Pro4 screens

Verdict

The call

The clearest difference is price: MHD Flasher at Free against Velocity Lab Pro's $1.99. MHD Flasher also leads on ratings volume (211 vs 14) and device support (3 vs 1). Velocity Lab Pro's advantage is review sentiment (92% vs 65%). On rating, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

MHD Flasher is free to download; Velocity Lab Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for MHD Flasher against 4.4 for Velocity Lab Pro. That said, the two scores are not equally well evidenced: MHD Flasher has 211 ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 65% of MHD Flasher's written reviews are positive against 92% of Velocity Lab Pro's.

UpkeepUpdate frequency

MHD Flasher ships an update fortnightly, Velocity Lab Pro every 10 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
MHD Flasher versus Velocity Lab Pro: the parameters behind the verdict, then further details
ParameterMHD FlasherVelocity Lab Pro
PriceFree — better$1.99
Rating4.5 (211 ratings) — better4.4 (14 ratings)
Positive reviews65.1% of reviews91.7% of reviews — better
Number of ratings211 — better14
Update frequencyFortnightlyEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size239 MB6 MB
Age rating4+4+
DeveloperMHD Tuning UG (haftungsbeschraenkt)Engineered Essentials Ventures, LLC

Customer experience

MHD Flasher

All ratings206 ratings
Positive85.4%
Neutral3.4%
Negative11.2%
Written reviews129 reviews
Positive65.1%
Neutral10.9%
Negative24.0%

Velocity Lab Pro

All ratings14 ratings
Positive78.6%
Neutral7.1%
Negative14.3%
Written reviews12 reviews
Positive91.7%
Neutral0.0%
Negative8.3%

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
Show 11 more
  • 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 more
  • 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)

Velocity Lab Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

MHD Flasher

No in-app purchases

None

Velocity Lab Pro

No in-app purchases

Questions

Is MHD Flasher free?
MHD Flasher is free to download, with no in-app purchases.
Is Velocity Lab Pro free?
Velocity Lab Pro costs $1.99, with no in-app purchases.
Which has better reviews, MHD Flasher or Velocity Lab Pro?
MHD Flasher is rated higher. MHD Flasher averages 4.5 out of 5 from 211 ratings, while Velocity Lab Pro averages 4.4 from 14 ratings.
Do MHD Flasher or Velocity Lab Pro have ads?
Neither MHD Flasher nor Velocity Lab Pro shows ads.
Which is updated more often, MHD Flasher or Velocity Lab Pro?
MHD Flasher ships an update fortnightly, and Velocity Lab Pro every 10 days. Most recently, MHD Flasher was updated on October 22, 2026 and Velocity Lab Pro on October 24, 2026.

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