Comparison

OBD JScan vs ActiveOBD

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

ActiveOBD

This app functions as an OBDII scanner, offering specialized support for Subaru vehicles (MY2012+). It provides basic parameter readings for free, with a subscription unlocking advanced features like trouble code reading and data logging.

Highlights
  • OBDII scanning
  • Subaru-specific support (MY2012+)
  • CVT Oil Temperature reading
  • AWD duty (%) parameter reading
  • Trouble code reading (full version)
  • Data logging (full version)
  • Graphs building (full version)
Features
Read full description

The OBDII scanner app with a special support of Subaru (MY2012+) make. It's the next-generation product based on our well-known "ActiveOBD for Subaru" app bringing its best features to iOS users. A compatible OBD adapter is required. Premium-level adapters supported (best speed and stability): - OBDLink MX+; - OBDLink CX; - vLinker MC+. Entry-level adapters supported (moderate speed, good stability): - Vgate iCar Pro Bluetooth 4.0 (BLE). Other adapters supported: - Viecar Bluetooth 4.0 (BLE), Vgate iCar Pro WiFi, Veepeak OBDCheck BLE+, KONNWEI. We do NOT support the majority of cheap ELM327 v2.1 clones. The basic free version already includes CVT Oil Temperature, CVT ratio and AWD duty (%) parameter readings and nice gauge screen ! Note: some of these parameters are inaccessible on some model ranges. The full version (subscription) includes extra parameters reading and features, such as graphs building, logging ("premium-level adapter" required), trouble codes reading. Note: for resource consumption optimization reason the data collection for graphs/logging activates upon accessing these functions and terminates with the current app session. Terms of Use (standard Apple Terms of Use / EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

OBD JScan4 screens
ActiveOBD4 screens

Verdict

The call

The clearest difference is rating: OBD JScan at 4.7 against ActiveOBD's 3.6. OBD JScan also leads on review sentiment (79% vs 45%) and update cadence (every 3 weeks vs every 3 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OBD JScan sells 7 one-off in-app purchases and ActiveOBD sells 1 in-app purchase, starting at $4.99 per month. 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 3.6. That said, the two scores are not equally well evidenced: OBD JScan has 1.3K ratings behind it against 39, 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 45% of ActiveOBD's.

UpkeepUpdate frequency

OBD JScan ships an update every 3 weeks, ActiveOBD every 3 months. The most recent releases landed on September 25, 2026 and July 23, 2026 respectively.

Scorecard4 real differences · 6 level
OBD JScan versus ActiveOBD: the parameters behind the verdict, then further details
ParameterOBD JScanActiveOBD
PriceFreeFree
Rating4.7 (1.3K ratings) — better3.6 (39 ratings)
Positive reviews79.5% of reviews — better45.5% of reviews
Number of ratings1.3K — better39
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size403 MB24 MB
Age rating12+4+
DeveloperPiotr BialicMykhailo Zolotarov

Customer experience

OBD JScan

All ratings1,296 ratings
Positive93.4%
Neutral1.9%
Negative4.6%
Written reviews239 reviews
Positive79.5%
Neutral5.0%
Negative15.5%

ActiveOBD

All ratings39 ratings
Positive61.5%
Neutral10.3%
Negative28.2%
Written reviews22 reviews
Positive45.5%
Neutral13.6%
Negative40.9%

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

ActiveOBD

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
1 purchases

ActiveOBD

Subscriptions1
  • Full Version Subscription1 Month trial$4.991 Month

Questions

Is OBD JScan free?
OBD JScan is free to download, with in-app purchases available.
Is ActiveOBD free?
ActiveOBD is free to download, with in-app purchases available.
Which has better reviews, OBD JScan or ActiveOBD?
OBD JScan is rated higher. OBD JScan averages 4.7 out of 5 from 1.3K ratings, while ActiveOBD averages 3.6 from 39 ratings.
Do OBD JScan or ActiveOBD have ads?
Neither OBD JScan nor ActiveOBD shows ads.
Which is updated more often, OBD JScan or ActiveOBD?
OBD JScan ships an update every 3 weeks, and ActiveOBD every 3 months. Most recently, OBD JScan was updated on September 25, 2026 and ActiveOBD on July 23, 2026.

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