Comparison

Carista OBD2 vs FIXD OBD2 Scanner

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

FIXD OBD2 Scanner

This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.

Highlights
  • Translate check engine light codes
  • Understand issue severity
  • Maintenance reminders
  • Issue forecasting
  • Emissions pre-check
  • Mechanic hotline access
Features
Read full description

FIXD makes car care simple and stress-free by translating your car's issues into easy-to-understand language. If your check engine light comes on, FIXD helps you understand the severity of the problem, the potential consequences of continued driving, and what steps you need to take next. Plus, FIXD keeps track of maintenance reminders to help you keep your vehicle running smoothly. With FIXD Premium, you get access to advanced data and deeper insights into your car's health. Unlock features like Issue Forecast to predict potential problems before they happen, Emissions Pre-Check to help you pass your next emissions test, access to our Certified FIXD Mechanic Hotline for help with any car-related questions, and Vehicle History to view the incident and sale history of your vehicle. FIXD Premium helps you stay one step ahead, ensuring your car is always in top shape. All this and more for just $12.99/month or $99.99/year. FIXD Premium is available as an in-app purchase. After your free trial, your iTunes account will be charged, and the subscription will automatically renew (at the original price) unless canceled at least 24 hours before the end of the current period. You can manage your subscription in your iTunes account settings. Please note that any unused portion of a free trial will be forfeited upon purchasing a subscription. https://www.fixdapp.com/terms-of-service https://www.fixdapp.com/fixd-privacy-policy

Screenshots

Carista OBD24 screens
FIXD OBD2 Scanner4 screens

Verdict

The call

The clearest difference is ads: FIXD OBD2 Scanner at none against Carista OBD2's shown. FIXD OBD2 Scanner also leads on review sentiment (60% vs 34%) and update cadence (every 5 days vs every 3 weeks). Carista OBD2's advantage is iOS requirement (16.4 vs 18.0). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Carista OBD2 sells 6 in-app purchases, starting at $19.99 per month and FIXD OBD2 Scanner sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Carista OBD2 against 4.6 for FIXD OBD2 Scanner. That said, the two scores are not equally well evidenced: FIXD OBD2 Scanner has 26K ratings behind it against 4.3K, so its average is the more settled of the two. Written reviews are what separate them: 34% of Carista OBD2's written reviews are positive against 60% of FIXD OBD2 Scanner's.

UpkeepUpdate frequency

Carista OBD2 ships an update every 3 weeks, FIXD OBD2 Scanner every 5 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 5 level
Carista OBD2 versus FIXD OBD2 Scanner: the parameters behind the verdict, then further details
ParameterCarista OBD2FIXD OBD2 Scanner
PriceFreeFree
Rating4.6 (4.3K ratings)4.6 (26K ratings) — better
Positive reviews34.2% of reviews60.0% of reviews — better
Number of ratings4.3K26K — better
Update frequencyEvery 3 weeksEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#39 — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better18.0
Further details — not scored
Size142 MB59 MB
Age rating17+4+
DeveloperPrizmosFIXD Automotive Inc

Customer experience

Carista OBD2

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

FIXD OBD2 Scanner

All ratings25,888 ratings
Positive91.7%
Neutral3.0%
Negative5.3%
Written reviews864 reviews
Positive60.0%
Neutral4.9%
Negative35.2%

User reviews

Carista OBD2

From 4.3K App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Customization options
  • 🚀 Efficient diagnostics
  • 💡 Helpful for maintenance
  • 👍 Great customer support

Room to improve

  • 💰 Expensive subscription
  • 🔒 Requires account login
  • 🐛 Connectivity issues
  • 🔒 Locked features behind paywall
  • 🐛 Unreliable functionality

FIXD OBD2 Scanner

From 26K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Quickly identifies problems
  • 💰 Saves money on mechanics
  • 🔍 Provides detailed diagnostic information
  • ⚙️ Helpful for DIY maintenance

Room to improve

  • 🔒 Requires subscription for full functionality
  • 💰 Expensive premium subscription
  • 🤖 Inconsistent performance across vehicles
  • 🔌 Connectivity issues with device
  • 🤷‍♀️ Limited functionality without subscription

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

FIXD OBD2 Scanner

Reported bugs

4 issues
  • Fails to detect certain error codes
  • Inconsistent Bluetooth pairing
  • Subscription charges without user consent
  • Inability to cancel subscription through app

Requested features

5 requests
  • Ability to manually input maintenance records
  • Clearer indication of subscription requirements
  • Support for more vehicle makes and models
  • Improved diagnostic capabilities for advanced issues
  • Option to disable subscription upsells

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
3 purchases

FIXD OBD2 Scanner

Subscriptions3
  • Weekly FIXD Premium$7.997 Days
  • Monthly FIXD Premium7 Days trial$12.991 Month
  • Yearly FIXD Premium7 Days trial$99.991 Year

Questions

Is Carista OBD2 free?
Carista OBD2 is free to download, with in-app purchases available.
Is FIXD OBD2 Scanner free?
FIXD OBD2 Scanner is free to download, with in-app purchases available.
Which has better reviews, Carista OBD2 or FIXD OBD2 Scanner?
FIXD OBD2 Scanner is rated higher. Carista OBD2 averages 4.6 out of 5 from 4.3K ratings, while FIXD OBD2 Scanner averages 4.6 from 26K ratings.
Do Carista OBD2 or FIXD OBD2 Scanner have ads?
Carista OBD2 shows ads; FIXD OBD2 Scanner does not.
Which is updated more often, Carista OBD2 or FIXD OBD2 Scanner?
Carista OBD2 ships an update every 3 weeks, and FIXD OBD2 Scanner every 5 days. Most recently, Carista OBD2 was updated on October 29, 2026 and FIXD OBD2 Scanner on October 30, 2026.

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