# SINABI vs Project Gutenberg Ebooks

The clearest difference is in-app purchases: SINABI at none against Project Gutenberg Ebooks's 3. SINABI also leads on iOS requirement (11.0 vs 15.1). Project Gutenberg Ebooks's advantage is update cadence (every 3 weeks vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. Project Gutenberg Ebooks sells 3 in-app purchases, starting at $4.99 per 7 days. SINABI asks for nothing beyond the download.

SINABI ships an update every 11 months, Project Gutenberg Ebooks every 3 weeks. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SINABI | Project Gutenberg Ebooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (82 ratings)](https://appshunter.io/ios/app/project-gutenberg-ebooks/id6755909445/reviews)** |
| Number of ratings | — | **82** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 83 MB | 41 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SINABI](https://appshunter.io/developer/1416780299) | [Natalja Morozova](https://appshunter.io/developer/1852342078) |

## What reviewers say

### SINABI

[App page](https://appshunter.io/ios/app/sinabi/id1416780300)

**Features:** macOS Compatibility

**In-app purchases:** none


### Project Gutenberg Ebooks

[App page](https://appshunter.io/ios/app/project-gutenberg-ebooks/id6755909445)

Access and read thousands of public domain ebooks from Project Gutenberg. This app offers a customizable reader, smart search, offline access, and annotation tools for a personalized reading experience.

**Highlights:** Thousands of public domain ebooks, Smart ebook search and filtering, Offline reading capability, Ebook annotations and notes, Customizable reader with themes, Multi-language support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $9.99 | per month |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is SINABI free?

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

### Is Project Gutenberg Ebooks free?

Project Gutenberg Ebooks is free to download, with in-app purchases available.

### Do SINABI or Project Gutenberg Ebooks have ads?

Neither SINABI nor Project Gutenberg Ebooks shows ads.

### Which is updated more often, SINABI or Project Gutenberg Ebooks?

SINABI ships an update every 11 months, and Project Gutenberg Ebooks every 3 weeks. Most recently, SINABI was updated on October 26, 2026 and Project Gutenberg Ebooks on October 30, 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.*