# 트레즈북 (TREZBOOK) vs indexx

The clearest difference is update cadence: 트레즈북 (TREZBOOK) at monthly against indexx's every 3 months. 트레즈북 (TREZBOOK) also leads on monetization model (free vs ad-supported) and iOS requirement (16.0 vs 26.0). On price, review sentiment, 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.

트레즈북 (TREZBOOK) ships an update monthly, indexx every 3 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 트레즈북 (TREZBOOK) | indexx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trezbook/id6740397124/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 81 MB | 4 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Content Pi](https://appshunter.io/developer/1789735446) | [OKMIN LEE](https://appshunter.io/developer/1501145758) |

## What reviewers say

### 트레즈북 (TREZBOOK)

[App page](https://appshunter.io/ios/app/trezbook/id6740397124)

Track your reading progress, share reviews, and connect with other readers. Discover new books through personalized recommendations and join or create book clubs and reading challenges for a more engaging experience.

**Highlights:** Reading progress tracking, Book reviews and ratings, Social feed for book discussions, Book club participation and creation, Reading challenges, Quote scanning and recording

**Features:** macOS Compatibility

**In-app purchases:** none


### indexx

[App page](https://appshunter.io/ios/app/indexx/id6757661654)

Capture, organize, and share impactful sentences from books. This app uses OCR to extract text from photos or allows manual entry, linking each quote to its source and your reflections. Create shareable quote cards and track your reading journey with a personal library.

**Highlights:** Capture sentences via OCR or manual entry, Link quotes to book, page, and reflections, Generate shareable quote cards, Track reading progress and history, Barcode scanner for book registration, Personal sentence library

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

**In-app purchases:** none


## Frequently asked questions

### Is 트레즈북 (TREZBOOK) free?

트레즈북 (TREZBOOK) is free to download, with no in-app purchases.

### Is indexx free?

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

### Do 트레즈북 (TREZBOOK) or indexx have ads?

Neither 트레즈북 (TREZBOOK) nor indexx shows ads.

### Which is updated more often, 트레즈북 (TREZBOOK) or indexx?

트레즈북 (TREZBOOK) ships an update monthly, and indexx every 3 months. Most recently, 트레즈북 (TREZBOOK) was updated on November 4, 2026 and indexx on November 5, 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.*