# BiblioGenius vs Shelfy

The clearest difference is update cadence: BiblioGenius at every 4 days against Shelfy's every 3 weeks. Shelfy's advantage is iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BiblioGenius ships an update every 4 days, Shelfy every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BiblioGenius | Shelfy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 104 MB | 19 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Federico Calo](https://appshunter.io/developer/1867142226) | [theo bourdel](https://appshunter.io/developer/1888192416) |

## What reviewers say

### BiblioGenius

[App page](https://appshunter.io/ios/app/bibliogenius/id6757465461)

**Features:** Vision Pro support

**In-app purchases:** none


### Shelfy

[App page](https://appshunter.io/ios/app/shelfy-ma-bibliotheque/id6761190365)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BiblioGenius free?

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

### Is Shelfy free?

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

### Do BiblioGenius or Shelfy have ads?

Neither BiblioGenius nor Shelfy shows ads.

### Which is updated more often, BiblioGenius or Shelfy?

BiblioGenius ships an update every 4 days, and Shelfy every 3 weeks. Most recently, BiblioGenius was updated on November 5, 2026 and Shelfy on October 31, 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.*