# LX Hausys Smart Authentication vs SwitchPDF

The clearest difference is in-app purchases: LX Hausys Smart Authentication at none against SwitchPDF's 1. LX Hausys Smart Authentication also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). SwitchPDF's advantage is update cadence (every 2 weeks vs every 29 months). On price and device support there is nothing between them.

Both are free to download. SwitchPDF sells 1 one-off in-app purchase. LX Hausys Smart Authentication asks for nothing beyond the download.

LX Hausys Smart Authentication ships an update every 29 months, SwitchPDF every 2 weeks. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LX Hausys Smart Authentication | SwitchPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 2 weeks** |
| Size | 40 MB | 14 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KOREAEXPERT](https://appshunter.io/developer/1161606505) | [MBG Studio](https://appshunter.io/developer/1401126212) |

## What reviewers say

### LX Hausys Smart Authentication

[App page](https://appshunter.io/ios/app/lx-hausys-smart-authentication/id1477171484)

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

**In-app purchases:** none


### SwitchPDF

[App page](https://appshunter.io/ios/app/switchpdf-image-to-pdf/id6794580971)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is LX Hausys Smart Authentication free?

LX Hausys Smart Authentication is free to download, with no in-app purchases.

### Is SwitchPDF free?

SwitchPDF is free to download, with in-app purchases available.

### Do LX Hausys Smart Authentication or SwitchPDF have ads?

SwitchPDF shows ads; LX Hausys Smart Authentication does not.

### Which is updated more often, LX Hausys Smart Authentication or SwitchPDF?

LX Hausys Smart Authentication ships an update every 29 months, and SwitchPDF every 2 weeks. Most recently, LX Hausys Smart Authentication was updated on October 11, 2026 and SwitchPDF on October 24, 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.*