# Book Guard. vs ScrollWave

The clearest difference is update cadence: Book Guard. at every 2 days against ScrollWave's fortnightly. Book Guard. also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price, ads 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.

Book Guard. ships an update every 2 days, ScrollWave fortnightly. The most recent releases landed on September 20, 2026 and May 30, 2026 respectively.

## The numbers

| Metric | Book Guard. | ScrollWave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Size | 76 MB | 21 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Tqnia for Information Technology](https://appshunter.io/developer/1533657655) | [Alexander Biskaev](https://appshunter.io/developer/1881201355) |

## What reviewers say

### Book Guard.

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

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### ScrollWave

[App page](https://appshunter.io/ios/app/scrollwave/id6759850217)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Book Guard. free?

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

### Is ScrollWave free?

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

### Do Book Guard. or ScrollWave have ads?

Neither Book Guard. nor ScrollWave shows ads.

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

Book Guard. ships an update every 2 days, and ScrollWave fortnightly. Most recently, Book Guard. was updated on September 20, 2026 and ScrollWave on May 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.*