Comparison

OBD JScan vs DND HD+

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

Head to head
About

OBD JScan

This app provides advanced diagnostics for Jeep, Chrysler, and Dodge vehicles. It allows users to read and clear trouble codes, view live sensor data, and access settings across all vehicle modules, including ABS and transmission.

Highlights
  • Read/Clear Diagnostic Trouble Codes
  • Access Live Data from all sensors
  • View vehicle settings
  • Access all vehicle modules (ABS, Transmission, etc.)
  • Identify module, VIN, Part Number, and Version
  • Share vehicle trouble codes
Features
Read full description

What is OBD JScan? OBD JScan is powerful Jeep & Chrysler & Dodge diagnostic application. JScan allows reading standard Diagnostic Trouble Codes (emission related), general Live Data and Adaptations and much more. Thats not all. JScan can access all modules avalable on your vehicle. ABS, Steering Column, Automatic Transimmsion, Radio, Sway Bar, Havac and many more. Some supported cars: Jeep Wrangler JK, Jeep Wrangler JL - additional hardware required to bypass security gateway* Jeep Wrangler JT - additional hardware required to bypass security gateway* Jeep Wrangler 4XE - additional hardware required to bypass security gateway* Jeep Grand Cherokee WK Jeep Grand Cherokee, WK2 11-13 Jeep Grand Cherokee WK2 14-21 - 18+ - additional hardware required to bypass security gateway* Jeep Commander XK Jeep Liberty/Cherokee KK, Jeep Compass, Jeep Patriot MK Dodge Avenger Dodge Grand Caravan RT, Dodge Journey, Dodge Caliber Dodge Durango 2004-2009 Dodge Durango 2011-2013 Dodge Durango 2014-2023* Dodge Ram Dodge Nitro Dodge Magnum Dodge Challenger - 08-14 Dodge Challenger - 14+ Dodge Charger- 06-10 Dodge Charger- 11+ Dodge Avenger Chrysler Town&Country RT Chrysler 200 Chrysler 300C Chrysler 300 Chrysler Sebring Chrysler Aspen and more.. * WK2 2018+ = requires securit bypass cable * Dodge Durango 2018+ = requires securit bypass cable * Dodge Ram 2018+ = requires securit bypass cable * JL requires security bypass cable * JT requires security bypass cable * http://jscan.net/jl-jt-security-bypass/ What can I Do with JScan? JScan allows you to access, diagnostic trouble codes and Live Data in all modules. You can easily Read, Clear, Share vehicle Trouble Codes. View Live Data from all sensors in vehicle. View vehicle settings. Identify module, Vin, Part Number, Version and more. Recommended device: - OBD ELM 327 compatible device is required to make app work as expected. Recommended adapters: - iCar Pro 4.0 Bluetooth LE (Bluetooth) - Vlinker MC+ (Bluetooth) - for newer cars - OBD Link MX+ Bluetooth (Bluetooth) More info about supported and recommended OBD adapters: http://jscan.net/supported-and-not-supported-obd-adapters/ Facebook: https://www.facebook.com/obdjscan/ Website: http://jscan.net/

About

DND HD+

Features
Read full description

DND HD+ provides a more professional, fast, and efficient OBD diagnostic tool for heavy-duty trucks。 Focusing on OBD diagnostic tools for heavy-duty trucks, providing comprehensive and powerful vehicle diagnostic functions, as well as DPF regeneration, fan override testing, SCR performance testing, and more, making it the perfect truck scanner for trucks on the road. Reduce maintenance costs and extend vehicle lifespan. Enhanced diagnostic function suitable for heavy-duty trucks, allowing you to better understand the heart of the vehicle. The "ECHO HD" OBDII scanner diagnostic tool helps you quickly locate vehicle issues and reduce trial and error time and costs during maintenance. Connect with the ECHO HD heavy-duty truck scanner diagnostic tool through the new generation Bluetooth, bid farewell to the constraints of additional cables, and provide you with the fastest response and smoothest operation. Lifetime free update of the application, simply download the DND HD+ application to your smartphone, register and connect. This application has a user-friendly interface and is suitable for beginners and professionals.

Screenshots

OBD JScan4 screens
DND HD+4 screens

Verdict

The call

The clearest difference is in-app purchases: DND HD+ at none against OBD JScan's 8. OBD JScan's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement 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. OBD JScan sells 7 one-off in-app purchases. DND HD+ asks for nothing beyond the download.

UpkeepUpdate frequency

OBD JScan ships an update every 3 weeks, DND HD+ every 2 months. The most recent releases landed on October 14, 2026 and September 27, 2026 respectively.

Scorecard2 real differences · 8 level
OBD JScan versus DND HD+: the parameters behind the verdict, then further details
ParameterOBD JScanDND HD+
PriceFreeFree
Rating4.7 (1.3K ratings) — better—
Positive reviews79.6% of reviews—
Number of ratings1.3K — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size403 MB17 MB
Age rating12+4+
DeveloperPiotr BialicMATL TECH INC.

Bugs and requests

OBD JScan

Reported bugs

2 issues
  • Inability to save/export diagnostic data
  • Inconsistent behavior when changing vehicle settings

Requested features

4 requests
  • Expanded vehicle compatibility
  • Improved stability and reliability
  • Enhanced user interface and guidance
  • Integration with other vehicle apps/services

DND HD+

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

OBD JScan

One-time7
  • + 1 garage license2 variants$9.99
  • 1 VIN license$20.99
  • Add 1 VIN$20.99
Show 4 more
  • Add 1 VIN Vehicle Slot$20.99
  • 3 VIN licenses$54.99
  • 5 VIN Licenses$84.99
  • 10 VIN Licenses$149.99
None

DND HD+

No in-app purchases

Questions

Is OBD JScan free?
OBD JScan is free to download, with in-app purchases available.
Is DND HD+ free?
DND HD+ is free to download, with no in-app purchases.
Do OBD JScan or DND HD+ have ads?
Neither OBD JScan nor DND HD+ shows ads.
Which is updated more often, OBD JScan or DND HD+?
OBD JScan ships an update every 3 weeks, and DND HD+ every 2 months. Most recently, OBD JScan was updated on October 14, 2026 and DND HD+ on September 27, 2026.

Other comparisons