OBD JScan vs JKBlaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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/
JKBlaster
This utility app connects to a separate WiFi OBD2 device to modify calibrations and access live data for 2007-2018 Jeep JK vehicles. It allows for DTC scanning and viewing real-time vehicle information. The app can be browsed without the hardware.
- Modify vehicle calibrations
- Access live features
- DTC scanning
- View live data
- WiFi OBD2 device communication
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JKBlaster is a cutting edge mobile application designed for 2007-2018 Jeep JK vehicles for the separately sold JKBlaster Wifi OBD2 device. The application communicates over a WiFi point with the required JKBlaster hardware sold at https://www.zautomotive.com/ to modify vehicle calibrations, live features, dtc scanning, live data and more. While a device is required for full functionality of the application, it is not required to open and browse the application.
Screenshots
Verdict
The clearest difference is review sentiment: OBD JScan at 79% against JKBlaster's 25%. OBD JScan also leads on rating (4.7 vs 4.0) and ratings volume (1.3K vs 6). JKBlaster's advantage is in-app purchases (none vs 8) and iOS requirement (10.0 vs 13.0). On price, update cadence, ads 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
Both are free to download. OBD JScan sells 7 one-off in-app purchases. JKBlaster asks for nothing beyond the download.
OBD JScan holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: OBD JScan has 1.3K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 79% of OBD JScan's written reviews are positive against 25% of JKBlaster's.
OBD JScan ships an update every 3 weeks, JKBlaster every 5 weeks. The most recent releases landed on October 1, 2026 and September 16, 2026 respectively.
| Parameter | OBD JScan | JKBlaster |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.3K ratings) — better | 4.0 (6 ratings) |
| Positive reviews | 79.5% of reviews — better | 25.0% of reviews |
| Number of ratings | 1.3K — better | 6 |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 403 MB | 145 MB |
| Age rating | 12+ | 4+ |
| Developer | Piotr Bialic | JND Collections, Inc |
Customer experience
OBD JScan
JKBlaster
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
JKBlaster
Not enough reviews yet to summarise bugs or requests.
In-app purchases
OBD JScan
- + 1 garage license2 variants$9.99
- 1 VIN license$20.99
- Add 1 VIN$20.99
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- Add 1 VIN Vehicle Slot$20.99
- 3 VIN licenses$54.99
- 5 VIN Licenses$84.99
- 10 VIN Licenses$149.99
JKBlaster
No in-app purchases
Questions
Is OBD JScan free?
Is JKBlaster free?
Which has better reviews, OBD JScan or JKBlaster?
Do OBD JScan or JKBlaster have ads?
Which is updated more often, OBD JScan or JKBlaster?
Other comparisons
