# Libstack vs 책피자

The clearest difference is monetization model: Libstack at free against 책피자's ad-supported. 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.

Libstack ships an update every 10 days, 책피자 every 8 days. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Libstack | 책피자 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/libstack-reading-tracker/id1643321634/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 8 days** |
| Monetization | **Free** | Ad-supported |
| Size | 42 MB | 63 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sounho Chung](https://appshunter.io/developer/1622341881) | [Yeoun Yi](https://appshunter.io/developer/1582412629) |

## What reviewers say

### Libstack

[App page](https://appshunter.io/ios/app/libstack-reading-tracker/id1643321634)

Organize your personal library, track your reading progress, and jot down notes for each book. Share your reading journey with friends and discover what they're reading.

**Highlights:** Customizable shelves, Quick book adding via search or camera, Reading progress logging, Personal book notes, Shareable reading cards, Friend activity and book sharing

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

**In-app purchases:** none


### 책피자

[App page](https://appshunter.io/ios/app/and/id6772453636)

Track your reading with a charming pizza theme. Rate books with pepperoni, share reviews with friends, and discover new reads. Organize short stories and novels into unique pizza creations.

**Highlights:** Rate books with pepperoni toppings, Organize stories into pizza slices or whole pizzas, Follow friends and like their reviews, Discover popular books and short stories, View reviews for individual short stories across collections

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

**In-app purchases:** none


## Frequently asked questions

### Is Libstack free?

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

### Is 책피자 free?

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

### Do Libstack or 책피자 have ads?

Neither Libstack nor 책피자 shows ads.

### Which is updated more often, Libstack or 책피자?

Libstack ships an update every 10 days, and 책피자 every 8 days. Most recently, Libstack was updated on October 21, 2026 and 책피자 on October 10, 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.*