# Bookwarm vs Shelf

The clearest difference is in-app purchases: Bookwarm at none against Shelf's 2. Bookwarm also leads on iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Shelf sells 2 in-app purchases, starting at $3.99 per month. Bookwarm asks for nothing beyond the download.

## The numbers

| Metric | Bookwarm | Shelf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 91 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rachna Ratnakar Udyavar](https://appshunter.io/developer/1845323465) | [Yusuf Fuat Sarac](https://appshunter.io/developer/1875744965) |

## What reviewers say

### Bookwarm

[App page](https://appshunter.io/ios/app/bookwarm/id6753867273)

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

**In-app purchases:** none


### Shelf

[App page](https://appshunter.io/ios/app/shelf-reading-tracker/id6787766630)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shelf Pro Monthly | $3.99 | per month |
| Shelf Pro Yearly | $22.99 | per year |


## Frequently asked questions

### Is Bookwarm free?

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

### Is Shelf free?

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

### Do Bookwarm or Shelf have ads?

Neither Bookwarm nor Shelf shows ads.

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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.*