# Circulate Book Swap vs Mood Reader

The clearest difference is device support: Circulate Book Swap at 3 against Mood Reader's 1. Circulate Book Swap also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Circulate Book Swap ships an update every 10 days, Mood Reader every 5 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Circulate Book Swap | Mood Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Size | 35 MB | 8 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [fusionelle consult](https://appshunter.io/developer/1449657615) | [Nick Shadel](https://appshunter.io/developer/6790179611) |

## What reviewers say

### Circulate Book Swap

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Mood Reader

[App page](https://appshunter.io/ios/app/mood-reader-books/id6790179609)

**In-app purchases:** none


## Frequently asked questions

### Is Circulate Book Swap free?

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

### Is Mood Reader free?

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

### Do Circulate Book Swap or Mood Reader have ads?

Neither Circulate Book Swap nor Mood Reader shows ads.

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

Circulate Book Swap ships an update every 10 days, and Mood Reader every 5 days. Most recently, Circulate Book Swap was updated on October 30, 2026 and Mood Reader on November 5, 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.*