# Libstack vs Introvert Book Club

Libstack and Introvert Book Club are too close to call on the numbers: across 7 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Introvert Book Club every 5 days. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Libstack | Introvert Book Club |
| --- | --- | --- |
| 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 5 days** |
| Monetization | Free | Free |
| Size | 42 MB | 65 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sounho Chung](https://appshunter.io/developer/1622341881) | [Common](https://appshunter.io/developer/1786858057) |

## 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


### Introvert Book Club

[App page](https://appshunter.io/ios/app/introvert-book-club/id6760511666)

This app supports solitary reading while fostering a sense of community. It helps users build a consistent reading habit through timed sessions and allows them to save and revisit impactful quotes.

**Highlights:** Reading timer with automatic time recording, Quote journal to save and share resonant sentences, Calendar and book organization for reading history, Habit building through timed reading sessions, Weekly reading hour suggestion

**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 Introvert Book Club free?

Introvert Book Club is free to download, with no in-app purchases.

### Do Libstack or Introvert Book Club have ads?

Neither Libstack nor Introvert Book Club shows ads.

### Which is updated more often, Libstack or Introvert Book Club?

Libstack ships an update every 10 days, and Introvert Book Club every 5 days. Most recently, Libstack was updated on October 21, 2026 and Introvert Book Club 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.*