Comparison

Mucar vs DND

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

Head to head
About

Mucar

Access professional-level automotive diagnostic functions, including reading and clearing fault codes, viewing live data, and performing special tests. Supports a wide range of vehicle manufacturers and offers a community forum for users to share insights and get support.

Highlights
  • OE-level professional functions
  • Full OBD II diagnosis
  • Maintenance light reset
  • Support for 39+ manufacturers
  • Automatic VIN reading
  • Professional diagnostic reports
  • In-app user community
Features
Read full description

1. Profession functions refer to OE level functions, such as read/clear code, data flow diagram, read ECU, drive test, bidirectional special functions, etc. 2.Support full-function OBD II diagnosis, read data flow, freeze frame read IM/real-time data, read/clear fault code, vehicle on-board monitoring/computer system control operation and read vehicle information. 3.Support vehicle maintenance light return to normal. 4.Select any vehicle diagnostic software, covering up to 39 major automobile manufacturers. 5. Support automatic VIN reading and one-key diagnosis. 6. Clear interpretation of fault codes and generate professional diagnostic reports. 7. Be able to communicate with other users within the ThinkDiag community (share/help/support).

About

DND

This tool helps you understand your vehicle's health and diagnose issues. It provides comprehensive diagnostic services, maintenance guidance, and real-time sensor data monitoring, making car care accessible even for beginners.

Highlights
  • OBD functionality
  • Enhanced diagnosis
  • Vehicle maintenance guidance
  • Locate malfunction causes
  • AI services
  • Abnormal warnings
  • Real-time sensor data monitoring
Features
Read full description

DND is a professional vehicle diagnostic tool that provides comprehensive services such as OBD functionality, enhanced diagnosis, and vehicle maintenance, saving users time and money. It allows you to easily check the health status of your vehicle without having to go to a repair shop, quickly locate the cause of vehicle malfunctions, and provide users with comprehensive application services such as AI services and abnormal warnings. Get to know your vehicle better Become more knowledgeable about your vehicle and take good care of it. Gain greater confidence and peace of mind with Echo diagnostic tool and DND App in your pocket. Diagnose and repair with DND Discover why the Check Engine Light is on, provide maintenance guidance and reset the Diagnostic Trouble Codes. Save time and money by diagnosing the root cause without visiting a mechanic. Easily used even for beginners You can easily have professional repair and maintenance knowledge with intelligent by services, it can be easily used even for beginners. Monitor real-time sensor data Maintain the health of the your vehicle by monitoring the engine and various systems in real-time. Improve efficiency and prevent malfunctions.

Screenshots

Mucar4 screens
DND4 screens

Verdict

The call

The clearest difference is review sentiment: DND at 100% against Mucar's 50%. DND also leads on rating (5.0 vs 4.6) and update cadence (every 8 days vs every 2 months). Mucar's advantage is ratings volume (277 vs 1) and iOS requirement (9.0 vs 16.6). On price, ads, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

DND holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Mucar has 277 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Mucar's written reviews are positive against 100% of DND's.

UpkeepUpdate frequency

Mucar ships an update every 2 months, DND every 8 days. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

Scorecard5 real differences · 5 level
Mucar versus DND: the parameters behind the verdict, then further details
ParameterMucarDND
PriceFreeFree
Rating4.6 (277 ratings)5.0 (1 ratings) — better
Positive reviews49.6% of reviews100.0% of reviews — better
Number of ratings277 — better1
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS9.0 — better16.6
Further details — not scored
Size500 MB339 MB
Age rating17+4+
DeveloperTHINKCAR INCMATL TECH INC.

Customer experience

Mucar

All ratings277 ratings
Positive88.8%
Neutral2.5%
Negative8.7%
Written reviews125 reviews
Positive49.6%
Neutral10.4%
Negative40.0%

DND

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Mucar

Reported bugs

20 issues
  • TCM fault cannot be cleared
  • App crashes during report generation
  • Functions removed after updates (Hyundai, Kia, special functions)
  • App crashes or freezes
  • Connection errors
Show 15 more
  • Bluetooth connectivity issues
  • Login process fails
  • App becomes blank or empty after update
  • Cannot read errors
  • App crashes when communicating with car
  • Data stream issues
  • Special functions not appearing
  • App not working after update
  • Cannot register account
  • App not loading or showing white screen
  • Cannot read specific car blocks (e.g., ECM)
  • SAS reset not working
  • App not detecting certain car models
  • App not working on iPhone after update
  • App not updating on iPhone

Requested features

20 requests
  • Add Turkish language support
  • Add Perodua and Proton car support
  • Improve Russian translation and fix abbreviations
  • Add VAZ support for iOS
  • Add Haval support for iOS
Show 15 more
  • Add Chery support for iOS
  • Add Citroen support for iOS
  • Add Bulgarian language support
  • Add CarPlay app support
  • Add proper screen scaling for iPad
  • Add daily, weekly, or yearly subscription options
  • Add more car manufacturers to the iOS version
  • Add support for specific car models (e.g., Jeep Renegade Flex 1.8)
  • Improve data stream readability
  • Add translator for iPhone
  • Add full Russian localization
  • Improve app interface and design
  • Add payment options via phone bill
  • Add support for specific car blocks (e.g., ECM)
  • Add support for specific functions (e.g., SAS reset)

DND

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mucar

No in-app purchases

None

DND

No in-app purchases

Questions

Is Mucar free?
Mucar is free to download, with no in-app purchases.
Is DND free?
DND is free to download, with no in-app purchases.
Which has better reviews, Mucar or DND?
DND is rated higher. Mucar averages 4.6 out of 5 from 277 ratings, while DND averages 5.0 from 1 ratings.
Do Mucar or DND have ads?
Neither Mucar nor DND shows ads.
Which is updated more often, Mucar or DND?
Mucar ships an update every 2 months, and DND every 8 days. Most recently, Mucar was updated on September 25, 2026 and DND on September 17, 2026.

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