# Cool Study 1 vs Bookends

The clearest difference is in-app purchases: Cool Study 1 at none against Bookends's 2. Cool Study 1 also leads on update cadence (every 10 days vs every 3 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Bookends sells 2 in-app purchases, starting at $3.99 per month. Cool Study 1 asks for nothing beyond the download.

Cool Study 1 ships an update every 10 days, Bookends every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cool Study 1 | Bookends |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/bookends-reading-tracker/id6737713402/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 12 MB | 48 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 17+ |
| Developer | [Rabeea Aldaini](https://appshunter.io/developer/1164778636) | [Bookends](https://appshunter.io/developer/1777545924) |

## What reviewers say

### Cool Study 1

[App page](https://appshunter.io/ios/app/cool-study-1-a/id1166164489)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bookends

[App page](https://appshunter.io/ios/app/bookends-reading-tracker/id6737713402)

This app helps you achieve your reading goals with custom bookshelves, insightful progress tracking, and social features to share with friends. It supports all reading formats, including audiobooks, physical books, and digital content, adapting to your personal style.

**Highlights:** Customizable bookshelves, Progress tracking for all formats, Daily and weekly reading insights, Social feeds for reading buddies, Track audiobooks, physical, and digital books

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bookends Premium | $3.99 | per month |
| Bookends Premium Annnual | $29.99 | per year |


## Frequently asked questions

### Is Cool Study 1 free?

Cool Study 1 is free to download, with no in-app purchases.

### Is Bookends free?

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

### Do Cool Study 1 or Bookends have ads?

Neither Cool Study 1 nor Bookends shows ads.

### Which is updated more often, Cool Study 1 or Bookends?

Cool Study 1 ships an update every 10 days, and Bookends every 3 weeks. Most recently, Cool Study 1 was updated on October 26, 2026 and Bookends 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.*