# BookTrack vs 시오리

The clearest difference is review sentiment: 시오리 at 100% against BookTrack's 33%. 시오리 also leads on ads (none vs shown) and update cadence (every 3 days vs fortnightly). BookTrack's advantage is in-app purchases (none vs 10). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 시오리 sells 10 one-off in-app purchases. BookTrack asks for nothing beyond the download.

BookTrack ships an update fortnightly, 시오리 every 3 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | BookTrack | 시오리 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | **Ad-supported** | Freemium |
| Size | 165 MB | 149 MB |
| Requires iOS | 18.4 | **17.3** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [namsu choi](https://appshunter.io/developer/1645216732) | [ohttne](https://appshunter.io/developer/6788399225) |

## What reviewers say

### BookTrack

[App page](https://appshunter.io/ios/app/booktrack-my-reading-library/id6773334377)

Log your reading journey by tracking time, progress, and thoughts. Organize your library, set goals, and get personalized book recommendations powered by AI analysis of your reading habits.

**Highlights:** Library management, Reading goal tracking, Time and page logging, Customizable reviews and cards, Easy book search, AI-powered reports and recommendations

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

**In-app purchases:** none


### 시오리

[App page](https://appshunter.io/ios/app/and/id6788732084)

Record your reading progress, favorite quotes, and notes for each book. Create a personal reading feed with features like a sentence scanner, character relationship maps, and a focus timer.  Sync your reading data across devices.

**Highlights:** Organize books by status (reading, finished, want to read), Record quotes, notes, photos, and sticky notes per book, Scan book sentences into text, Create sentence collages with photos, Map character relationships, Track reading habits with logs and timers, Save unfamiliar words to a vocabulary list

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 포근 메모지 테마 | $0.99 | one-time |
| 과일 메모지 테마 | $0.99 | one-time |
| 반짝 메모지 테마 | $0.99 | one-time |
| 도트 메모지 테마 | $0.99 | one-time |
| 도트2 메모지 테마 | $0.99 | one-time |
| 프레임 메모지 테마 | $0.99 | one-time |
| 그라데이션 메모지 테마 | $0.99 | one-time |
| 모양 메모지 테마 | $0.99 | one-time |
| 뽀얀 메모지 테마 | $0.99 | one-time |
| 뮤트 메모지 테마 | $0.99 | one-time |


## Frequently asked questions

### Is BookTrack free?

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

### Is 시오리 free?

시오리 is free to download, with in-app purchases available.

### Do BookTrack or 시오리 have ads?

BookTrack shows ads; 시오리 does not.

### Which is updated more often, BookTrack or 시오리?

BookTrack ships an update fortnightly, and 시오리 every 3 days. Most recently, BookTrack was updated on November 10, 2026 and 시오리 on November 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.*