# MUHS Library vs Book Guard.

The clearest difference is update cadence: Book Guard. at every 2 days against MUHS Library's every 8 months. Book Guard. also leads on iOS requirement (15.0 vs 26.0). On price, ads, 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.

MUHS Library ships an update every 8 months, Book Guard. every 2 days. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MUHS Library | Book Guard. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 days** |
| Size | 44 MB | 81 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stacks Inc.](https://appshunter.io/developer/1275752393) | [Tqnia for Information Technology](https://appshunter.io/developer/1533657655) |

## What reviewers say

### MUHS Library

[App page](https://appshunter.io/ios/app/muhs-library/id6745621448)

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

**In-app purchases:** none


### Book Guard.

[App page](https://appshunter.io/ios/app/book-guard/id6747822466)

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

**In-app purchases:** none


## Frequently asked questions

### Is MUHS Library free?

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

### Is Book Guard. free?

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

### Do MUHS Library or Book Guard. have ads?

Neither MUHS Library nor Book Guard. shows ads.

### Which is updated more often, MUHS Library or Book Guard.?

MUHS Library ships an update every 8 months, and Book Guard. every 2 days. Most recently, MUHS Library was updated on October 28, 2026 and Book Guard. on October 30, 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.*