# Storybase vs Book Guard.

The clearest difference is in-app purchases: Book Guard. at none against Storybase's 3. Book Guard. also leads on update cadence (every 2 days vs every 5 days) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Storybase sells 3 in-app purchases, starting at $17.99 per month. Book Guard. asks for nothing beyond the download.

Storybase ships an update every 5 days, Book Guard. every 2 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Storybase | Book Guard. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/storybase/id6747148478/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 76 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Storyline Creative, LLC](https://appshunter.io/developer/1820064660) | [Tqnia for Information Technology](https://appshunter.io/developer/1533657655) |

## What reviewers say

### Storybase

[App page](https://appshunter.io/ios/app/storybase/id6747148478)

This app offers an interactive reading and listening experience for books, connecting readers directly with authors. Authors can engage their audience, track engagement, and build relationships beyond the book itself.

**Highlights:** Immersive audiobook/ebook sync, In-app AI questions, Shareable chapters, Author-reader connection, Reader engagement tracking, Customizable offers, AI prompts for readers

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reader Premium | $17.99 | per month |
| Author Plus | $107.99 | per month |
| Author Pro | $214.99 | per month |


### Book Guard.

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

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Storybase free?

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

### Is Book Guard. free?

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

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

Neither Storybase nor Book Guard. shows ads.

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

Storybase ships an update every 5 days, and Book Guard. every 2 days. Most recently, Storybase was updated on October 13, 2026 and Book Guard. on October 15, 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.*