# BOOKSCAN SWITCH vs Logos Mask

The clearest difference is ads: BOOKSCAN SWITCH at none against Logos Mask's shown. BOOKSCAN SWITCH also leads on device support (3 vs 1) and iOS requirement (9.0 vs 18.2). Logos Mask's advantage is update cadence (every 2 weeks vs every 4 months). On price 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.

BOOKSCAN SWITCH ships an update every 4 months, Logos Mask every 2 weeks. The most recent releases landed on September 5, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | BOOKSCAN SWITCH | Logos Mask |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 10 MB | 10 MB |
| Requires iOS | **9.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BOOKSCAN Inc.](https://appshunter.io/developer/441217651) | [SEI EMOTO](https://appshunter.io/developer/1380612446) |

## What reviewers say

### BOOKSCAN SWITCH

[App page](https://appshunter.io/ios/app/bookscan-switch/id927831990)

**Features:** Vision Pro support

**In-app purchases:** none


### Logos Mask

[App page](https://appshunter.io/ios/app/logos-mask/id6755829437)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BOOKSCAN SWITCH free?

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

### Is Logos Mask free?

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

### Do BOOKSCAN SWITCH or Logos Mask have ads?

Logos Mask shows ads; BOOKSCAN SWITCH does not.

### Which is updated more often, BOOKSCAN SWITCH or Logos Mask?

BOOKSCAN SWITCH ships an update every 4 months, and Logos Mask every 2 weeks. Most recently, BOOKSCAN SWITCH was updated on September 5, 2026 and Logos Mask on September 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.*