# LELink Scanner vs UJS OBDII

LELink Scanner and UJS OBDII both sit at 5.0 stars, but that hides the real split: 100% of UJS OBDII's written reviews are positive against 50% of LELink Scanner's. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for LELink Scanner against 5.0 for UJS OBDII. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 50% of LELink Scanner's written reviews are positive against 100% of UJS OBDII's.

LELink Scanner ships an update every 3 months, UJS OBDII every 6 weeks. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | LELink Scanner | UJS OBDII |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/lelink-scanner/id6739438895/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ujs-obdii/id6753165961/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 11 MB | 81 MB |
| Requires iOS | **12.0** | 13 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [K SOLUTION LLC](https://appshunter.io/developer/289670447) | [UJS INC](https://appshunter.io/developer/1842801577) |

## What reviewers say

### LELink Scanner

[App page](https://appshunter.io/ios/app/lelink-scanner/id6739438895)

This app acts as an engine diagnostics tool, allowing users to read and clear trouble codes, view real-time engine data, and customize performance gauges. It supports a wide range of OBD-II compliant vehicles and offers advanced features for both hobbyists and professionals.

**Highlights:** Read and clear trouble codes, View real-time engine and sensor data, Customizable gauges and dashboards, Smog readiness check, MPG and performance timers, Supports multiple ECU types

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### UJS OBDII

[App page](https://appshunter.io/ios/app/ujs-obdii/id6753165961)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LELink Scanner free?

LELink Scanner 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, LELink Scanner or UJS OBDII?

LELink Scanner and UJS OBDII are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do LELink Scanner or UJS OBDII have ads?

Neither LELink Scanner nor UJS OBDII shows ads.

### Which is updated more often, LELink Scanner or UJS OBDII?

LELink Scanner ships an update every 3 months, and UJS OBDII every 6 weeks. Most recently, LELink Scanner was updated on October 13, 2026 and UJS OBDII on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*