Comparison

EasyOBD vs UJS OBD Pro

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

Head to head
About

EasyOBD

Features
Read full description

EasyOBD is exclusively designed to support DA302 series products, serving as a professional car diagnostic and real-time monitoring application. This app only supports adapters compatible with Bluetooth 4.0+.

About

UJS OBD Pro

Features
Read full description

UJS OBD Pro is exclusively designed to support UJS ROCCO Pro, serving as a professional car diagnostic and real-time monitoring application. It supports full OBDIl/EOBD standard protocols and multi-system diagnostics for ABS, Engine, Transmission and Airbag (SRS). Connect your smartphone to the UJS OBD Pro device to unlock comprehensive vehicle management. Enjoy key features including fault code reading and clearing, real-time data monitoring, performance testing, deep system scanning, AI-powered insights, customizable reports, and detailed trip 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. Drivers' safety and customer satisfaction are our top priorities. That's why we offer our products at an affordable price with no subscriptions and no hidden costs—ever. Every UJS diagnostic tool includes lifetime free updates and ongoing technical support, ensuring your device stays accurate and reliable for years to come. UJS OBD Pro offers multi-language support, including English, Español, Русский, 日本語,and 中文,ensuring seamless usability for users worldwide. Caution: 1. This app only supports adapters compatible with Bluetooth 5.1. 2. Available parameters may vary depending on your vehicle, as they are defined by the vehicle’s control unit rather than the UJS OBD app. 3. UJS OBD Pro is specifically optimized for use with UJS series products (UJS ROCCO Pro); compatibility with other devices is not guaranteed.

Screenshots

EasyOBD4 screens
UJS OBD Pro4 screens

Verdict

The call

EasyOBD and UJS OBD Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

UpkeepUpdate frequency

EasyOBD ships an update every 3 weeks, UJS OBD Pro every 6 weeks. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

ScorecardNo meaningful differences
EasyOBD versus UJS OBD Pro: the parameters behind the verdict, then further details
ParameterEasyOBDUJS OBD Pro
PriceFreeFree
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.013
Further details — not scored
Size103 MB134 MB
Age rating4+4+
DeveloperShenzhen Chaoyue Technology Development Co.,LtdUJS INC

In-app purchases

None

EasyOBD

No in-app purchases

None

UJS OBD Pro

No in-app purchases

Questions

Is EasyOBD free?
EasyOBD is free to download, with no in-app purchases.
Is UJS OBD Pro free?
UJS OBD Pro is free to download, with no in-app purchases.
Do EasyOBD or UJS OBD Pro have ads?
Neither EasyOBD nor UJS OBD Pro shows ads.
Which is updated more often, EasyOBD or UJS OBD Pro?
EasyOBD ships an update every 3 weeks, and UJS OBD Pro every 6 weeks. Most recently, EasyOBD was updated on October 2, 2026 and UJS OBD Pro on October 1, 2026.

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