# biblog vs shelff

The clearest difference is price: biblog at Free against shelff's $6.99. shelff's advantage is update cadence (every 4 days vs every 3 weeks) and chart position (#72 vs unranked). On review sentiment, ads, in-app purchases and device support there is nothing between them.

biblog is free to download; shelff costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

biblog ships an update every 3 weeks, shelff every 4 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | biblog | shelff |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Positive reviews | 94.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#72** |
| Size | 288 MB | 8 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [biblog LLC](https://appshunter.io/developer/1516164114) | [Satoshi Kojima](https://appshunter.io/developer/1887157382) |

## What reviewers say

### biblog

[App page](https://appshunter.io/ios/app/biblog/id6446214912)

Capture, organize, and export impactful quotes from books, articles, and more. Easily scan text, add notes and tags, and share your favorite words with beautiful typography.

**Highlights:** Smart OCR quote capture, Export quotes as images, Barcode scanning for book info, Organize with notes and tags, Save quotes from analog and digital media

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

**In-app purchases:** none


### shelff

[App page](https://appshunter.io/ios/app/shelff-pdf-book-reader/id6760986626)

**Currently charting:** #72 Top Paid · Book (US App Store)

This app provides a dedicated reading experience for PDF documents stored in iCloud. It offers robust organization tools, including folders, tags, and collections, along with a full-text search capability. Users can also manage PDF metadata and highlight content with comments.

**Highlights:** iCloud PDF management, Organize with folders and tags, Full-text search, Highlighting with comments, Metadata editing, Customizable reading layouts

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

**In-app purchases:** none


## Frequently asked questions

### Is biblog free?

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

### Is shelff free?

shelff costs $6.99, with no in-app purchases.

### Do biblog or shelff have ads?

Neither biblog nor shelff shows ads.

### Which is updated more often, biblog or shelff?

biblog ships an update every 3 weeks, and shelff every 4 days. Most recently, biblog was updated on October 25, 2026 and shelff on October 25, 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.*