Comparison

AutoOBDII vs UJS OBDII

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

Head to head
About

AutoOBDII

This application connects to your vehicle via Bluetooth to perform diagnostics and offer driving assistance. It can read and clear fault codes, analyze performance, and track your journeys. Supports multiple languages and high-speed data transmission.

Highlights
  • Bluetooth vehicle communication
  • Fault code reading and clearing
  • Instrument panel monitoring
  • Performance testing
  • Travel analysis
  • High-speed data transmission
  • Low power consumption
Features
Read full description

AutoOBDII is a car diagnostic and monitoring application,support English,Español,Русский,Deutsch,Français,日本語,中文,Italiano,한국어,Português. Through phone, use Bluetooth to communicate with the vehicle terminal to complete fault diagnosis and driving assistance functions. It has automobile detection and analysis functions such as fault code reading and clearing, instrument panel, performance test, and travel analysis. It also supports high-speed data transmission and has the advantages of low power consumption and ultra-power saving. caution: 1. Support the adapter that runs through Bluetooth 4.0/5.0. 2. The parameters supported by each vehicle are different, which has nothing to do with AutoOBDII, but is related to the vehicle control unit. 3. AutoOBDII supports LONAUTO series products.

About

UJS OBDII

This professional car diagnostic app connects to UJS OBDII devices via Bluetooth to read and clear fault codes, monitor real-time vehicle performance, and analyze travel data. It supports multiple languages and offers high-speed, low-power data transmission.

Highlights
  • Fault code reading and clearing
  • Real-time instrument panel display
  • Vehicle performance testing
  • Detailed travel analysis
  • Multi-language support
  • High-speed data transmission
  • Low-power consumption
Features
Read full description

UJS OBD is exclusively designed to support UJS OBDII series products, serving as a professional car diagnostic and real-time monitoring application. It offers multi-language support, including English, Español, Русский, 日本語,and 中文,ensuring seamless usability for users worldwide. By connecting your smartphone to the UJS OBDII vehicle terminal via Bluetooth, the app enables comprehensive vehicle management—covering core functions such as fault code reading & clearing, real-time instrument panel display, vehicle performance testing, and detailed travel analysis. It also features high-speed data transmission capabilities, paired with outstanding low-power consumption and ultra-energy-saving performance, ensuring long-lasting use without excessive battery drain. Caution: 1. This app only supports adapters compatible with Bluetooth 4.0/5.0. 2. The range of parameters accessible for each vehicle varies and is determined by the vehicle’s own control unit, not by the UJS OBD app. 3. UJS OBD is specifically optimized for use with UJS OBDII series products; compatibility with other devices is not guaranteed.

Screenshots

AutoOBDII2 screens
UJS OBDII4 screens

Verdict

The call

The clearest difference is update cadence: UJS OBDII at every 6 weeks against AutoOBDII's every 4 months. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for AutoOBDII against 5.0 for UJS OBDII. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

AutoOBDII ships an update every 4 months, UJS OBDII every 6 weeks. The most recent releases landed on July 20, 2026 and June 1, 2026 respectively.

Scorecard1 real difference · 9 level
AutoOBDII versus UJS OBDII: the parameters behind the verdict, then further details
ParameterAutoOBDIIUJS OBDII
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 4 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS1313
Further details — not scored
Size83 MB81 MB
Age rating17+4+
DeveloperShenzhen Lonauto Technology Co., Ltd.UJS INC

Customer experience

AutoOBDII

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

UJS OBDII

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

AutoOBDII

No in-app purchases

None

UJS OBDII

No in-app purchases

Questions

Is AutoOBDII free?
AutoOBDII is free to download, with no in-app purchases.
Is UJS OBDII free?
UJS OBDII is free to download, with no in-app purchases.
Which has better reviews, AutoOBDII or UJS OBDII?
AutoOBDII and UJS OBDII are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do AutoOBDII or UJS OBDII have ads?
Neither AutoOBDII nor UJS OBDII shows ads.
Which is updated more often, AutoOBDII or UJS OBDII?
AutoOBDII ships an update every 4 months, and UJS OBDII every 6 weeks. Most recently, AutoOBDII was updated on July 20, 2026 and UJS OBDII on June 1, 2026.

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