Comparison

CAR++ vs MHD Flasher

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

Head to head
About

CAR++

Explore a vast collection of authentic 3D cars with next-gen graphics. Customize vehicles with extensive options for colors, lights, wheels, body kits, and performance upgrades. New cars are added weekly based on user interest.

Highlights
  • Next-gen 3D rendering
  • 80+ cars available
  • Weekly car releases
  • Extensive customization
  • Wheel and tuning parts
  • Performance upgrades
Features
Read full description

NEXT-GEN GRAPHICS Using outstanding 3D rendering techniques, CAR++ features the most beautiful and authentic cars to date. HUGE SELECTION 80+ cars online,release cars every week according to the user's attention.Unique collection of wheels and tuning parts. FULL FUNCTION Customise cars with a wide range of color,lights,wheels,bodykits and performance.

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.

Screenshots

CAR++4 screens
MHD Flasher4 screens

Verdict

The call

The clearest difference is price: MHD Flasher at Free against CAR++'s $2.99. MHD Flasher also leads on rating (4.5 vs 3.4) and review sentiment (65% vs 38%). On ratings volume, 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; CAR++ costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

MHD Flasher holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 511 and 206 respectively. Written reviews point the same way: 38% of CAR++'s written reviews are positive against 65% of MHD Flasher's.

UpkeepUpdate frequency

CAR++ ships an update every 3 weeks, MHD Flasher fortnightly. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 7 level
CAR++ versus MHD Flasher: the parameters behind the verdict, then further details
ParameterCAR++MHD Flasher
Price$2.99Free — better
Rating3.4 (511 ratings)4.5 (206 ratings) — better
Positive reviews38.4% of reviews65.1% of reviews — better
Number of ratings511 — better206
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size115 MB239 MB
Age rating4+4+
DevelopercheyoujiaMHD Tuning UG (haftungsbeschraenkt)

Customer experience

CAR++

All ratings511 ratings
Positive56.4%
Neutral10.2%
Negative33.5%
Written reviews151 reviews
Positive38.4%
Neutral19.2%
Negative42.4%

MHD Flasher

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

User reviews

CAR++

From 511 App Store ratings

What we love

  • 🚀 Great customization options
  • 🎨 Amazing graphics and details
  • 💯 Fully free of charge
  • 👍 Enjoyable experience

Room to improve

  • 🔒 Unable to save customizations
  • 🌐 Lack of English language support
  • 🕰️ Slow loading times
  • 🔋 Overheating issues
  • 🤖 Buggy and unstable

MHD Flasher

From 206 App Store ratings

What we love

  • 🚀 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

Room to improve

  • 🐛 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)

Bugs and requests

CAR++

Reported bugs

4 issues
  • Unable to register/sign in
  • Many cars not available for customization
  • Frequent crashes and freezes
  • Inconsistent and confusing UI

Requested features

7 requests
  • Add ability to open doors, trunk, and hood
  • Implement fully customizable interiors
  • Introduce more car brands and models
  • Add classic and modern legendary cars
  • Include pickup trucks and SUVs
Show 2 more
  • Implement sound effects and engine sounds
  • Provide driving simulation mode

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)

In-app purchases

None

CAR++

No in-app purchases

None

MHD Flasher

No in-app purchases

Questions

Is CAR++ free?
CAR++ costs $2.99, with no in-app purchases.
Is MHD Flasher free?
MHD Flasher is free to download, with no in-app purchases.
Which has better reviews, CAR++ or MHD Flasher?
MHD Flasher is rated higher. CAR++ averages 3.4 out of 5 from 511 ratings, while MHD Flasher averages 4.5 from 206 ratings.
Do CAR++ or MHD Flasher have ads?
Neither CAR++ nor MHD Flasher shows ads.
Which is updated more often, CAR++ or MHD Flasher?
CAR++ ships an update every 3 weeks, and MHD Flasher fortnightly. Most recently, CAR++ was updated on October 3, 2026 and MHD Flasher on September 29, 2026.

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