# 시선 vs 트레즈북 (TREZBOOK)

The clearest difference is update cadence: 트레즈북 (TREZBOOK) at monthly against 시선's every 6 months. 트레즈북 (TREZBOOK) also leads on review sentiment (100% vs 84%). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for 시선 against 5.0 for 트레즈북 (TREZBOOK). Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 84% of 시선's written reviews are positive against 100% of 트레즈북 (TREZBOOK)'s.

시선 ships an update every 6 months, 트레즈북 (TREZBOOK) monthly. The most recent releases landed on October 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 시선 | 트레즈북 (TREZBOOK) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id627802925/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/trezbook/id6740397124/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 83.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | — | Free |
| Size | 6 MB | 81 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [별책](https://appshunter.io/developer/569035377) | [Content Pi](https://appshunter.io/developer/1789735446) |

## What reviewers say

### 시선

[App page](https://appshunter.io/ios/app/id627802925)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 시선 free?

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

### Is 트레즈북 (TREZBOOK) free?

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

### Which has better reviews, 시선 or 트레즈북 (TREZBOOK)?

시선 and 트레즈북 (TREZBOOK) are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

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

Neither 시선 nor 트레즈북 (TREZBOOK) shows ads.

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

시선 ships an update every 6 months, and 트레즈북 (TREZBOOK) monthly. Most recently, 시선 was updated on October 29, 2026 and 트레즈북 (TREZBOOK) on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*