# iSmartDiag vs LELink Scanner

The clearest difference is rating: LELink Scanner at 5.0 against iSmartDiag's 1.0. LELink Scanner also leads on review sentiment (50% vs 25%) and iOS requirement (12.0 vs 15.5). iSmartDiag's advantage is update cadence (every 4 days vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

LELink Scanner holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 25% of iSmartDiag's written reviews are positive against 50% of LELink Scanner's.

iSmartDiag ships an update every 4 days, LELink Scanner every 3 months. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | iSmartDiag | LELink Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/ismartdiag/id1669179670/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lelink-scanner/id6739438895/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 25.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 months |
| Monetization | Free | Free |
| Size | 614 MB | 11 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Shenzhen Vident Technology Co., Ltd](https://appshunter.io/developer/1661505875) | [K SOLUTION LLC](https://appshunter.io/developer/289670447) |

## What reviewers say

### iSmartDiag

[App page](https://appshunter.io/ios/app/ismartdiag/id1669179670)

This app provides powerful automotive diagnostic functions for mechanics, drivers, and DIYers. It connects via Bluetooth to scan over 110 vehicle brands, read/erase fault codes, and perform active tests. Save time and costs with detailed reports and maintenance functions.

**Highlights:** 110+ vehicle brands coverage, Full system scan & diagnosis, Bi-directional control, Read/erase fault codes, Maintenance functions, Data stream graph display, Bluetooth connectivity

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iSmartDiag free?

iSmartDiag is free to download, with no in-app purchases.

### Is LELink Scanner free?

LELink Scanner is free to download, with no in-app purchases.

### Which has better reviews, iSmartDiag or LELink Scanner?

LELink Scanner is rated higher. iSmartDiag averages 1.0 out of 5 from 2 ratings, while LELink Scanner averages 5.0 from 1 ratings.

### Do iSmartDiag or LELink Scanner have ads?

Neither iSmartDiag nor LELink Scanner shows ads.

### Which is updated more often, iSmartDiag or LELink Scanner?

iSmartDiag ships an update every 4 days, and LELink Scanner every 3 months. Most recently, iSmartDiag was updated on October 27, 2026 and LELink Scanner on October 13, 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.*