# Differences Time vs Book Sort

The clearest difference is in-app purchases: Differences Time at none against Book Sort's 1. Differences Time also leads on iOS requirement (9.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Book Sort sells 1 one-off in-app purchase. Differences Time asks for nothing beyond the download.

## The numbers

| Metric | Differences Time | Book Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (10 ratings)](https://appshunter.io/ios/app/book-sort-shelf-puzzle/id6801528356/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Monetization | — | Free with in-app purchases |
| Size | 146 MB | 178 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Imex Leader, Inc.](https://appshunter.io/developer/1068080525) | [Igor Chetrus](https://appshunter.io/developer/1562661724) |

## What reviewers say

### Differences Time

[App page](https://appshunter.io/ios/app/differences-time/id1323511287)

**In-app purchases:** none


### Book Sort

[App page](https://appshunter.io/ios/app/book-sort-shelf-puzzle/id6801528356)

Organize colorful books on a shelf by sorting them into their correct color groups. Strategically plan your moves to uncover hidden books and complete each level within a limited number of turns. Utilize helpful boosters like Undo and Joker to overcome challenges.

**Highlights:** Color-based book sorting, Hidden books and strategic moves, Limited moves per level, Crown book starting mechanic, Undo and Joker boosters, Increasingly challenging levels, Relaxing puzzle gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $9.99 | one-time |


## Frequently asked questions

### Is Differences Time free?

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

### Is Book Sort free?

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

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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.*