# Circulate Book Swap vs Shelfd

The clearest difference is in-app purchases: Circulate Book Swap at none against Shelfd's 3. Circulate Book Swap also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.2). Shelfd's advantage is update cadence (daily vs every 10 days). On price and ads there is nothing between them.

Both are free to download. Shelfd sells 3 in-app purchases, starting at $2.99 per month. Circulate Book Swap asks for nothing beyond the download.

Circulate Book Swap ships an update every 10 days, Shelfd daily. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Circulate Book Swap | Shelfd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/shelfd-reading-tracker/id6792915143/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | — | Freemium |
| Size | 35 MB | 16 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [fusionelle consult](https://appshunter.io/developer/1449657615) | [Zachary Selburg](https://appshunter.io/developer/6792915145) |

## What reviewers say

### Circulate Book Swap

[App page](https://appshunter.io/ios/app/circulate-book-swap/id6755597662)

**Features:** macOS Compatibility

**In-app purchases:** none


### Shelfd

[App page](https://appshunter.io/ios/app/shelfd-reading-tracker/id6792915143)

Organize your reading life with a charming book tracker. Log what you're reading, discover your next book with a spin of a wheel, and visualize your reading habits with personalized stats and achievements. Enjoy a cozy, ad-free experience with optional premium features for advanced tracking.

**Highlights:** Track current, finished, and to-be-read books, Spin a wheel to pick your next read, Organize books by genre with custom colors, Set reading goals and view yearly stats, Earn achievements narrated by an Archivist, Import libraries from other apps (CSV), Backup and restore your library

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Annual | $24.99 | per year |
| Shelfd Founders Group | $59.99 | one-time |


## Frequently asked questions

### Is Circulate Book Swap free?

Circulate Book Swap is free to download, with no in-app purchases.

### Is Shelfd free?

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

### Do Circulate Book Swap or Shelfd have ads?

Neither Circulate Book Swap nor Shelfd shows ads.

### Which is updated more often, Circulate Book Swap or Shelfd?

Circulate Book Swap ships an update every 10 days, and Shelfd daily. Most recently, Circulate Book Swap was updated on October 28, 2026 and Shelfd on October 24, 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.*