# Reading Room Reader vs Pacibook

The clearest difference is in-app purchases: Reading Room Reader at none against Pacibook's 3. Reading Room Reader also leads on update cadence (daily vs every 8 days). Pacibook's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Pacibook sells 3 one-off in-app purchases. Reading Room Reader asks for nothing beyond the download.

Reading Room Reader ships an update daily, Pacibook every 8 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Reading Room Reader | Pacibook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 8 days |
| Size | 2 MB | 66 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Ko](https://appshunter.io/developer/1872447404) | [Prashant Mishra](https://appshunter.io/developer/6792524659) |

## What reviewers say

### Reading Room Reader

[App page](https://appshunter.io/ios/app/reading-room-reader/id6778482134)

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

**In-app purchases:** none


### Pacibook

[App page](https://appshunter.io/ios/app/pacibook-ebook-reader/id6792524657)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Reading Pass | $1.99 | one-time |
| Monthly Reading Pass | $5.99 | one-time |
| Monthly Reading Pass + AI | $9.99 | one-time |


## Frequently asked questions

### Is Reading Room Reader free?

Reading Room Reader is free to download, with no in-app purchases.

### Is Pacibook free?

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

### Do Reading Room Reader or Pacibook have ads?

Neither Reading Room Reader nor Pacibook shows ads.

### Which is updated more often, Reading Room Reader or Pacibook?

Reading Room Reader ships an update daily, and Pacibook every 8 days. Most recently, Reading Room Reader was updated on October 31, 2026 and Pacibook on October 31, 2026.

---

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