OBD JScan vs V
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/
V
Troubleshoot your Harley EFI motorcycle with symptom-based diagnostics and service reminders. Access DTC codes, torque specs, and bike-specific information without hardware. Offers a premium subscription for guided troubleshooting and detailed diagrams.
- Symptom-based diagnostic Q&A
- DTC trouble code lookup
- Torque specs and service intervals
- Smart Service Scheduler
- Circuit diagrams
- Component identification cards
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Your bike's down. The dealer's booked two weeks out. And they charge hundreds just to tell you what's wrong. Every Harley rider knows this math: $100 to $300 for the tow, days or weeks on the lift waitlist, then a diagnostic fee just to be told what your bike was already trying to say. V-Twin Diagnostics ends that. Answer questions about what your bike is doing, what you see, hear, and feel. The app walks the same systematic process a trained tech uses and lands on the probable cause in minutes. No code reader. No hardware. No waiting. ONE DIAGNOSTIC PASS. EVERYTHING BELOW IS IN IT: • Guided Diagnostic Path: proprietary step-by-step troubleshooting built for your exact year and model • Comprehensive Diagnostic Report: complete specs, related trouble codes, the full path you followed, and findings, saved to your bike's profile • Circuit Diagrams and Component Cards: see the actual system behind each probable cause • A Parking Spot in Your Garage: your bike's profile with full specs, notes, and history • Diagnostic History: every run saved, ready to review or export as a PDF PAY ONLY WHEN YOUR BIKE NEEDS IT. NO SUBSCRIPTION REQUIRED. • Diagnostic Pass, $9.99: one complete diagnostic. Never expires. • 3-Pack, $24.99: bank them for when it counts. • Annual License, $59.99/yr: unlimited diagnostics for every bike in your garage, less than half of one dealer diagnostic fee, plus the annual-only Mechanic's Checklists. FREE FOR EVERY RIDER, NO ACCOUNT NEEDED: • DTC code lookup: 71 trouble codes in plain English with probable causes • Torque specs: 119 specs for Twin Cam and Evolution Sportster • Recommended service intervals by mileage FREE WITH AN ACCOUNT: a parking spot for your bike and the Oil Change Service Scheduler, free oil-change reminders matched to your bike and mileage. Covers 2007–2017 Harley-Davidson motorcycles with Delphi EFI: Touring, Softail, Dyna, and Evolution Sportster, including CVO variants. It's YOUR bike. It's been talking to you this whole time. Now you speak the language. V-Twin Diagnostics is an independent aftermarket reference tool, not affiliated with or endorsed by Harley-Davidson. Terms of Use (EULA): https://vtwindiagnostics.com/terms Privacy Policy: https://vtwindiagnostics.com/privacy-policy
Screenshots
Verdict
The clearest difference is review sentiment: OBD JScan at 79% against V's 0%. OBD JScan also leads on rating (4.7 vs 4.0) and ratings volume (1.3K vs 2). V's advantage is update cadence (weekly vs every 3 weeks). 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
Both are free to download. OBD JScan sells 7 one-off in-app purchases and V sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
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 2, 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 0% of V's.
OBD JScan ships an update every 3 weeks, V weekly. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.
| Parameter | OBD JScan | V |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.3K ratings) — better | 4.0 (2 ratings) |
| Positive reviews | 79.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 1.3K — better | 2 |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 403 MB | 63 MB |
| Age rating | 12+ | 4+ |
| Developer | Piotr Bialic | Matthew Griffin |
Customer experience
OBD JScan
V
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
V
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
V
- V-Twin Premium3 Days trial$9.991 Month
