# LSE SmartViewer vs Magnetic Sensor

The clearest difference is ads: LSE SmartViewer at none against Magnetic Sensor's shown. LSE SmartViewer also leads on iOS requirement (11.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.

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

LSE SmartViewer ships an update every 3 weeks, Magnetic Sensor fortnightly. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | LSE SmartViewer | Magnetic Sensor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 158 MB | 25 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [LS ELECTRIC Co., Ltd.](https://appshunter.io/developer/1121925468) | [Seonggon Sim](https://appshunter.io/developer/1565259950) |

## What reviewers say

### LSE SmartViewer

[App page](https://appshunter.io/ios/app/lse-smartviewer/id6503331678)

**In-app purchases:** none


### Magnetic Sensor

[App page](https://appshunter.io/ios/app/magnetic-sensor/id6764468454)

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

**In-app purchases:** none


## Frequently asked questions

### Is LSE SmartViewer free?

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

### Is Magnetic Sensor free?

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

### Do LSE SmartViewer or Magnetic Sensor have ads?

Magnetic Sensor shows ads; LSE SmartViewer does not.

### Which is updated more often, LSE SmartViewer or Magnetic Sensor?

LSE SmartViewer ships an update every 3 weeks, and Magnetic Sensor fortnightly. Most recently, LSE SmartViewer was updated on October 6, 2026 and Magnetic Sensor on October 7, 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.*