# 인터파크 전자책 (B2B) vs Libstack

The clearest difference is update cadence: Libstack at every 10 days against 인터파크 전자책 (B2B)'s every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

인터파크 전자책 (B2B) ships an update every 3 weeks, Libstack every 10 days. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 인터파크 전자책 (B2B) | Libstack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/libstack-reading-tracker/id1643321634/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 91 MB | 42 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)아이파프리카](https://appshunter.io/developer/1262981629) | [Sounho Chung](https://appshunter.io/developer/1622341881) |

## What reviewers say

### 인터파크 전자책 (B2B)

[App page](https://appshunter.io/ios/app/b2b/id1424077507)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 인터파크 전자책 (B2B) free?

인터파크 전자책 (B2B) is free to download, with no in-app purchases.

### Is Libstack free?

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

### Do 인터파크 전자책 (B2B) or Libstack have ads?

Neither 인터파크 전자책 (B2B) nor Libstack shows ads.

### Which is updated more often, 인터파크 전자책 (B2B) or Libstack?

인터파크 전자책 (B2B) ships an update every 3 weeks, and Libstack every 10 days. Most recently, 인터파크 전자책 (B2B) was updated on October 25, 2026 and Libstack on October 21, 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.*