Comparison

OBD JScan vs RV Leveling System

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

RV Leveling System

This app connects to a Bluetooth leveling device to help you monitor and adjust your RV's level in real-time. It simplifies the leveling process, making it a one-person job. A compatible leveling device is required for full functionality.

Highlights
  • Real-time RV level monitoring
  • Bluetooth device pairing
  • Precision leveling measurements
  • Simplified leveling process
  • One-person operation
Features
Read full description

Pair this app with the Jiu Jiang KAI GAO E-COMMERCE CO., LTD. Bluetooth® leveling device to effortlessly monitor your RV's level status in real-time. The system provides dynamic, precision measurements that guide you through the leveling process, transforming what was once a frustrating task into a simple one-person operation. Please note that the Jiu Jiang KAI GAO E-COMMERCE CO., LTD. leveling device is required for full app functionality.

Screenshots

OBD JScan4 screens
RV Leveling System3 screens

Verdict

The call

The clearest difference is review sentiment: OBD JScan at 79% against RV Leveling System's 0%. OBD JScan also leads on rating (4.7 vs 1.0) and update cadence (every 3 weeks vs every 5 months). RV Leveling System's advantage is in-app purchases (none vs 8). On price, ads, device support and iOS requirement 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. RV Leveling System asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OBD JScan holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: OBD JScan has 1.3K ratings behind it against 4, 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 RV Leveling System's.

UpkeepUpdate frequency

OBD JScan ships an update every 3 weeks, RV Leveling System every 5 months. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

Scorecard6 real differences · 4 level
OBD JScan versus RV Leveling System: the parameters behind the verdict, then further details
ParameterOBD JScanRV Leveling System
PriceFreeFree
Rating4.7 (1.3K ratings) — better1.0 (4 ratings)
Positive reviews79.5% of reviews — better0.0% of reviews
Number of ratings1.3K — better4
Update frequencyEvery 3 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size403 MB60 MB
Age rating12+4+
DeveloperPiotr Bialic凯 殷

Customer experience

OBD JScan

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

RV Leveling System

All ratings3 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

RV Leveling System

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
None

RV Leveling System

No in-app purchases

Questions

Is OBD JScan free?
OBD JScan is free to download, with in-app purchases available.
Is RV Leveling System free?
RV Leveling System is free to download, with no in-app purchases.
Which has better reviews, OBD JScan or RV Leveling System?
OBD JScan is rated higher. OBD JScan averages 4.7 out of 5 from 1.3K ratings, while RV Leveling System averages 1.0 from 4 ratings.
Do OBD JScan or RV Leveling System have ads?
Neither OBD JScan nor RV Leveling System shows ads.
Which is updated more often, OBD JScan or RV Leveling System?
OBD JScan ships an update every 3 weeks, and RV Leveling System every 5 months. Most recently, OBD JScan was updated on September 25, 2026 and RV Leveling System on September 20, 2026.

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