Comparison

Carista OBD2 vs mFlasher

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

Head to head
About

Carista OBD2

This app acts as a DIY car mechanic, allowing you to customize features, diagnose warning lights, monitor live data, and perform maintenance. Save time and money by handling common car tasks yourself.

Highlights
  • Customize car behavior and unlock hidden features
  • Diagnose and reset dashboard warning lights
  • Monitor real-time vehicle parameters
  • Perform simple DIY car maintenance procedures
  • Access advanced electronic diagnostics
Features
Read full description

Carista lets you diagnose warning lights, read and reset fault codes, monitor live vehicle data, customize your car, and perform DIY service procedures - all from your phone. Save hours and thousands of dollars in unnecessary workshop visits, and take control of your car's maintenance, diagnostics, and personalization. Trusted by 3+ million users worldwide, Carista supports 30+ car brands, offers SFD & SFD2 compatibility, and brings 10+ years of leadership in the OBD2 industry. CUSTOMIZE YOUR CAR (PRO) Unlock hidden features and personalize how your car behaves. • Gauge needle sweep at startup • Start screen logo • Virtual instrument cluster themes • Daytime running lights • Coming-home and leaving-home lights • Throttle response behavior And many more ADVANCED DIAGNOSTICS (PRO) Go beyond the Check Engine Light. Diagnose multiple electronic control modules, including ABS, airbag, SRS, Engine, Transmission, and manufacturer-specific systems. Read and clear diagnostic trouble codes before visiting a workshop. SEE YOUR CAR'S LIVE DATA (PRO) Monitor real-time vehicle parameters and see what's happening inside your car. Depending on your vehicle, live data can include: • Engine and turbo information • Launch control count • Mileage information • Airbag crash count • Service interval information • Engine RPM and other performance parameters With supported vehicles, Apple CarPlay lets you view basic OBD2 live data on your car's screen while driving. PERFORM DIY SERVICE PROCEDURES (PRO) Handle simple maintenance yourself and avoid workshop visits. Depending on your vehicle, Carista offers: • Electronic parking brake (EPB) service • Service due indicator reset • Tire pressure sensor (TPMS) registration • Diesel particulate filter (DPF) regeneration • Battery registration And other vehicle-specific service functions SUPPORTED CAR BRANDS Carista supports Acura, Audi, BMW, Buick, Cadillac, Chevrolet, Cupra, Dacia, Ford, Genesis, GMC, Holden, Honda, Hyundai, Infiniti, Jaguar, Kia, Land Rover, Lexus, Lincoln, MAN, Mazda, Mini, Nissan, Opel/Vauxhall, Pontiac, Renault, Saab, Scion, SEAT, Skoda, Toyota, Volkswagen and Volvo. Feature availability varies by vehicle, model year and hardware: https://carista.com/apps/supported-cars BASIC OBD2 FEATURES FOR MOST 2005/2008+ CARS (FREE) Compatible vehicles with an OBD port also get basic OBD2 diagnostics, live data, and emissions readiness tools. EASY TO USE: Locate the OBD2 port • Plug in the scanner • Turn on ignition • Open the app • Pair it with the scanner HARDWARE For the best experience, pair the app with the Carista EVO Scanner. Carista also works with selected compatible OBD2 scanners, including OBDLink CX, OBDLink MX Bluetooth, OBDLink LX, Kiwi3, and genuine Bluetooth ELM327 v1.4 scanners. The Carista OBD Scanner (white) is not compatible with Ford vehicles or SFD/SFD2-protected 2020+ Volkswagen Group vehicles. Check compatibility before purchasing a scanner. WHY CARISTA? • 3M+ users worldwide — Trusted by millions of drivers to understand, maintain, and personalize their cars. • 10+ years of automotive expertise — Over a decade of experience in vehicle diagnostics and customization. • Official Volkswagen Group partner — Trusted automotive technology with advanced capabilities for supported VW Group vehicles. • 300+ customizations — Hundreds of ways to personalize your car and unlock hidden features. • SFD & SFD2 support — Unlock supported SFD- and SFD2-protected features and customizations on compatible Volkswagen Group vehicles. • 30+ car brands supported — One app for a wide range of popular manufacturers. • One subscription. All Pro features. — Access every Pro feature for your vehicle without buying individual credits. • Regularly updated — New vehicles and features added frequently. Learn more: https://carista.com/ Supported vehicles: https://carista.com/apps/supported-cars Privacy Policy: https://carista.com/policies/privacy-policy

About

mFlasher

This app offers advanced engine and transmission tuning for enhanced performance and EV range. It provides a streamlined, intuitive ecosystem for optimizing drivability without compromising OEM reliability. Features include in-app purchase and activation for a seamless experience.

Highlights
  • Integrated engine and transmission tuning
  • Streamlined purchase and activation
  • Stage-free optimization
  • In-house custom tuning
  • OEM-chosen excellence
  • Globally recognized performance
Features
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BMW performance, refined. More power with OEM-like drivability. M-Flasher brings engine and transmission optimization, performance flashing, data logging and diagnostics to your iPhone or iPad. Engineered in-house by MISSION in the USA. ENGINE OPTIMIZATION. NOT STAGES. Choose the calibration that matches your fuel and hardware. On supported vehicles, M-Flasher includes: • 91 and 93 octane calibrations, plus E30 on most applications • Integrated, passive transmission optimization • Selectable high-flow exhaust and downpipe settings • Built-in data logging and fault-code reading Instead of purchasing separate Stage 1, Stage 2 or OTS+ map packs, select from the included options for your supported configuration as your setup evolves. ONE PLATFORM. ONE ENGINEERING TEAM. Purchase, activate and flash directly through M-Flasher. No separate checkout website, license keys or manual activation codes. For specialized setups, work directly with a MISSION engineer on custom tuning. Logs, calibrations and revisions are exchanged through the same app. EXPLORE BEFORE YOU BUY. Download M-Flasher, create an account and explore Simulation Mode before purchasing. Available for supported BMW, MINI, Toyota GR Supra and Rolls-Royce vehicles. REQUIREMENTS Unlocked DME: An unlocked DME is required to use M-Flasher. DMEs can be unlocked quickly and easily at home, anywhere in the world using MISSION’s M-Link (also compatible with other platforms such as BM3, MHD, MGFlasher, Bootmod). Alternatively, customers may choose to source their own unlock or mail their DME to an unlock service, though these methods may involve additional time and effort. Vehicle connection requires compatible wired or wireless ENET hardware. Performance software and custom tuning require purchase. Features and calibrations vary by vehicle and configuration. MISSION. No Compromises.

Screenshots

Carista OBD24 screens
mFlasher4 screens

Verdict

The call

The clearest difference is review sentiment: mFlasher at 100% against Carista OBD2's 34%. mFlasher also leads on in-app purchases (none vs 14) and ads (none vs shown). Carista OBD2's advantage is ratings volume (4.3K vs 10) and iOS requirement (16.4 vs 18.6). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Carista OBD2 sells 6 in-app purchases, starting at $19.99 per month. mFlasher asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

mFlasher holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Carista OBD2 has 4.3K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 34% of Carista OBD2's written reviews are positive against 100% of mFlasher's.

UpkeepUpdate frequency

Carista OBD2 ships an update every 3 weeks, mFlasher monthly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard7 real differences · 3 level
Carista OBD2 versus mFlasher: the parameters behind the verdict, then further details
ParameterCarista OBD2mFlasher
PriceFreeFree
Rating4.6 (4.3K ratings)5.0 (10 ratings) — better
Positive reviews34.2% of reviews100.0% of reviews — better
Number of ratings4.3K — better10
Update frequencyEvery 3 weeks — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better18.6
Further details — not scored
Size142 MB69 MB
Age rating17+4+
DeveloperPrizmosMission Performance, LLC

Customer experience

Carista OBD2

All ratings4,223 ratings
Positive89.5%
Neutral2.2%
Negative8.3%
Written reviews816 reviews
Positive34.2%
Neutral9.6%
Negative56.3%

mFlasher

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Carista OBD2

Reported bugs

5 issues
  • App crashes and freezes
  • Subscription issues and billing problems
  • Incompatibility with certain OBD2 adapters
  • Customization features not working as expected
  • Inaccurate fault code detection

Requested features

5 requests
  • Support for more vehicle makes and models
  • Offline diagnostics and customization
  • Ability to save customization settings
  • More detailed error code information
  • Improved user interface and navigation

mFlasher

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Carista OBD2

Subscriptions5
  • Basic$19.991 Month
  • Pro$19.991 Month
  • 1 month Pro4 variants$19.991 Month
Show 2 more
  • 3 month Pro2 variants$29.993 Months
  • Pro5 variants$59.991 Year
One-time1
  • One-Time Diagnostic & Reset$9.99
None

mFlasher

No in-app purchases

Questions

Is Carista OBD2 free?
Carista OBD2 is free to download, with in-app purchases available.
Is mFlasher free?
mFlasher is free to download, with no in-app purchases.
Which has better reviews, Carista OBD2 or mFlasher?
mFlasher is rated higher. Carista OBD2 averages 4.6 out of 5 from 4.3K ratings, while mFlasher averages 5.0 from 10 ratings.
Do Carista OBD2 or mFlasher have ads?
Carista OBD2 shows ads; mFlasher does not.
Which is updated more often, Carista OBD2 or mFlasher?
Carista OBD2 ships an update every 3 weeks, and mFlasher monthly. Most recently, Carista OBD2 was updated on October 29, 2026 and mFlasher on October 25, 2026.

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