Comparison

Code vs OBD JScan

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

Head to head
About

Code

Diagnose Harley-Davidson motorcycle issues directly from your iPhone. Access detailed code descriptions, view diagnostic videos, and monitor live sensor data. Save and retrieve your code history for advanced troubleshooting.

Highlights
  • Read Harley-Davidson trouble codes
  • Detailed code descriptions
  • Diagnostic videos
  • Live sensor data
  • Save/retrieve code history
Features
Read full description

Read Harley-Davidson® trouble codes with your iPhone! Code:READ from Vance & Hines makes your iPhone one of the most powerful code readers available. Detailed code descriptions, diagnostic videos for common codes, live sensor data, and the ability to save/retrieve code history bring advanced diagnostic capabilities to you. ("Harley-Davidson" is a registered trademark of Harley-Davidson Motor Company.)

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/

Screenshots

Code3 screens
OBD JScan4 screens

Verdict

The call

The clearest difference is rating: OBD JScan at 4.7 against Code's 4.0. OBD JScan also leads on ratings volume (1.3K vs 5). Code's advantage is iOS requirement (10.0 vs 13.0). On price, review sentiment, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Code sells 1 one-off in-app purchase and OBD JScan sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

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 5, so its average is the more settled of the two. Written reviews point the same way: 75% of Code's written reviews are positive against 80% of OBD JScan's.

UpkeepUpdate frequency

Code ships an update monthly, OBD JScan every 3 weeks. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
Code versus OBD JScan: the parameters behind the verdict, then further details
ParameterCodeOBD JScan
PriceFreeFree
Rating4.0 (5 ratings)4.7 (1.3K ratings) — better
Positive reviews75.0% of reviews79.6% of reviews — better
Number of ratings51.3K — better
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better13.0
Further details — not scored
Size74 MB403 MB
Age rating4+12+
DeveloperVance & HinesPiotr Bialic

Customer experience

Code

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

OBD JScan

All ratings1,296 ratings
Positive93.4%
Neutral1.9%
Negative4.6%
Written reviews240 reviews
Positive79.6%
Neutral5.0%
Negative15.4%

Bugs and requests

Code

Not enough reviews yet to summarise bugs or 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

In-app purchases

1 purchases

Code

One-time1
  • Code:READ Premium$0.99
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

Questions

Is Code free?
Code is free to download, with in-app purchases available.
Is OBD JScan free?
OBD JScan is free to download, with in-app purchases available.
Which has better reviews, Code or OBD JScan?
OBD JScan is rated higher. Code averages 4.0 out of 5 from 5 ratings, while OBD JScan averages 4.7 from 1.3K ratings.
Do Code or OBD JScan have ads?
Neither Code nor OBD JScan shows ads.
Which is updated more often, Code or OBD JScan?
Code ships an update monthly, and OBD JScan every 3 weeks. Most recently, Code was updated on October 1, 2026 and OBD JScan on October 11, 2026.

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