OBD JScan vs PairMyKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OBD JScan
This diagnostic application provides in-depth access to vehicle modules, allowing users to read and clear trouble codes, view live sensor data, and access vehicle settings. It supports a wide range of Jeep, Chrysler, and Dodge models, offering powerful customization and diagnostic features.
- Read and clear diagnostic trouble codes
- Access live data from all vehicle sensors
- View vehicle settings and module information
- Supports ABS, transmission, and other modules
- Wide compatibility with Jeep, Chrysler, Dodge
- Enables features locked by dealers
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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 2014-2025* Dodge Ram Dodge Ram Promaster 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/
PairMyKey
This application simplifies the process of programming vehicle keys and remotes. It works in conjunction with a dongle to allow users to program their own car keys, saving time and money on dealership services.
- Program vehicle keys
- Program car remotes
- Works with OBDII port dongle
- Save on dealership costs
- User-friendly interface
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Experience the next generation of automotive key technology with PairMyKey. Our app simplifies the process of programming keys and remotes for most vehicles. Save time and avoid costly services by using the PairMyKey Dongle. Just download the app, connect the dongle to your OBDII port, and start programming your keys effortlessly. Streamline your key programming with PairMyKey today!
Screenshots
Verdict
The clearest difference is in-app purchases: PairMyKey at none against OBD JScan's 7. PairMyKey also leads on update cadence (weekly vs every 3 weeks). OBD JScan's advantage is review sentiment (80% vs 54%). On price, rating, ratings volume and ads 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 6 one-off in-app purchases. PairMyKey asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for OBD JScan against 4.7 for PairMyKey. Both are backed by a comparable volume of ratings — 1.3K and 1.3K respectively. Written reviews are what separate them: 80% of OBD JScan's written reviews are positive against 54% of PairMyKey's.
OBD JScan ships an update every 3 weeks, PairMyKey weekly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | OBD JScan | PairMyKey |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.3K ratings) — better | 4.7 (1.3K ratings) |
| Positive reviews | 79.6% of reviews — better | 53.9% of reviews |
| Number of ratings | 1.3K — better | 1.3K |
| Update frequency | Every 3 weeks | Weekly — better |
| 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 | 13.0 |
| Further details — not scored | ||
| Size | 403 MB | 187 MB |
| Age rating | 12+ | 17+ |
| Developer | Piotr Bialic | THE SOCIAL PLUS HOLDING LLC |
Customer experience
OBD JScan
PairMyKey
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
PairMyKey
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 Vehicle Slot$20.99
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- 3 VIN licenses$54.99
- 5 VIN Licenses$84.99
- 10 VIN Licenses$149.99
PairMyKey
No in-app purchases
