# Sai Devotee vs Pacibook

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

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

Sai Devotee ships an update every 2 weeks, Pacibook every 6 days. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sai Devotee | Pacibook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 30 MB | 44 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Vikas Solegaonkar](https://appshunter.io/developer/1685942982) | [Prashant Mishra](https://appshunter.io/developer/6792524659) |

## What reviewers say

### Sai Devotee

[App page](https://appshunter.io/ios/app/sai-devotee/id6754283980)

**Features:** macOS Compatibility

**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 Sai Devotee free?

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

### Is Pacibook free?

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

### Do Sai Devotee or Pacibook have ads?

Neither Sai Devotee nor Pacibook shows ads.

### Which is updated more often, Sai Devotee or Pacibook?

Sai Devotee ships an update every 2 weeks, and Pacibook every 6 days. Most recently, Sai Devotee was updated on October 9, 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.*