# MASADER vs Book Guard.

The clearest difference is update cadence: Book Guard. at every 2 days against MASADER's every 33 months. MASADER's advantage is iOS requirement (11.0 vs 15.0). 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.

MASADER ships an update every 33 months, Book Guard. every 2 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MASADER | Book Guard. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/masader/id1404504721/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 19 MB | 81 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | 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

### MASADER

[App page](https://appshunter.io/ios/app/masader/id1404504721)

Access essential information and resources on the go. This app offers configurable features for information providers, including search, account management, event registration, and room bookings, all managed through a customizable web-based CMS.

**Highlights:** Information access from anywhere, Configurable features for providers, Integrated search, Event registrations, Room bookings, Web-based CMS

**Features:** macOS Compatibility, Apple Wallet

**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 MASADER free?

MASADER 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 MASADER or Book Guard. have ads?

Neither MASADER nor Book Guard. shows ads.

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

MASADER ships an update every 33 months, and Book Guard. every 2 days. Most recently, MASADER was updated on November 2, 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.*