# RichBook vs AgriLibrary

The clearest difference is in-app purchases: AgriLibrary at none against RichBook's 1. AgriLibrary also leads on ads (none vs shown) and update cadence (every 2 months vs every 7 months). RichBook's advantage is device support (3 vs 1) and iOS requirement (14.5 vs 17.5). On price there is nothing between them.

Both are free to download. RichBook sells 1 one-off in-app purchase. AgriLibrary asks for nothing beyond the download.

RichBook ships an update every 7 months, AgriLibrary every 2 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | RichBook | AgriLibrary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 30.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 22 MB |
| Requires iOS | **14.5** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [sorakaze Inc.](https://appshunter.io/developer/1046448101) | [Sea Peng](https://appshunter.io/developer/1468268191) |

## What reviewers say

### RichBook

[App page](https://appshunter.io/ios/app/richbook/id576560440)

This application allows users to read books and comic archives on multiple devices. It supports PDF files and compressed comic archives like zip and rar. A Bluetooth option in settings is required for use.

**Highlights:** Reads PDF files, Supports zip and rar comic archives, Multi-device compatibility, Requires Bluetooth setting ON, Video tutorial available

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad | $9.99 | one-time |


### AgriLibrary

[App page](https://appshunter.io/ios/app/agrilibrary/id6701983268)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RichBook free?

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

### Is AgriLibrary free?

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

### Do RichBook or AgriLibrary have ads?

RichBook shows ads; AgriLibrary does not.

### Which is updated more often, RichBook or AgriLibrary?

RichBook ships an update every 7 months, and AgriLibrary every 2 months. Most recently, RichBook was updated on October 9, 2026 and AgriLibrary on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*