# 시오리 vs 리더스 하이

The clearest difference is in-app purchases: 리더스 하이 at none against 시오리's 10. 리더스 하이 also leads on iOS requirement (15.0 vs 17.3). On price, update cadence, ads and device support there is nothing between them.

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

시오리 ships an update every 3 days, 리더스 하이 every 2 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | 시오리 | 리더스 하이 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 149 MB | 37 MB |
| Requires iOS | 17.3 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ohttne](https://appshunter.io/developer/6788399225) | [hyunjin yang](https://appshunter.io/developer/1838842798) |

## What reviewers say

### 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 |


### 리더스 하이

[App page](https://appshunter.io/ios/app/readers-high/id6793047318)

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

**In-app purchases:** none


## Frequently asked questions

### Is 시오리 free?

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

### Is 리더스 하이 free?

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

### Do 시오리 or 리더스 하이 have ads?

Neither 시오리 nor 리더스 하이 shows ads.

### Which is updated more often, 시오리 or 리더스 하이?

시오리 ships an update every 3 days, and 리더스 하이 every 2 days. Most recently, 시오리 was updated on November 5, 2026 and 리더스 하이 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.*