# JustBooks vs Pacibook

The clearest difference is in-app purchases: JustBooks at none against Pacibook's 3. JustBooks also leads on iOS requirement (13.0 vs 15.0). Pacibook's advantage is update cadence (every 6 days vs every 2 months). On price, ads and device support there is nothing between them.

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

JustBooks ships an update every 2 months, Pacibook every 6 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | JustBooks | Pacibook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 22 MB | 44 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kiriti Kapavari](https://appshunter.io/developer/1790143939) | [Prashant Mishra](https://appshunter.io/developer/6792524659) |

## What reviewers say

### JustBooks

[App page](https://appshunter.io/ios/app/justbooks/id6744608698)

**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 JustBooks free?

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

### Is Pacibook free?

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

### Do JustBooks or Pacibook have ads?

Neither JustBooks nor Pacibook shows ads.

### Which is updated more often, JustBooks or Pacibook?

JustBooks ships an update every 2 months, and Pacibook every 6 days. Most recently, JustBooks was updated on October 13, 2026 and Pacibook on October 12, 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.*