# 과수철 이야기 시리즈 vs BookCircle

The clearest difference is in-app purchases: BookCircle at none against 과수철 이야기 시리즈's 10. BookCircle also leads on update cadence (weekly vs every 19 months). 과수철 이야기 시리즈's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price and ads there is nothing between them.

Both are free to download. 과수철 이야기 시리즈 sells 10 one-off in-app purchases. BookCircle asks for nothing beyond the download.

과수철 이야기 시리즈 ships an update every 19 months, BookCircle weekly. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 과수철 이야기 시리즈 | BookCircle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/bookcircle-reading-notes/id6741431798/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 19 months | **Weekly** |
| Monetization | — | Free |
| Size | 58 MB | 22 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bookjam, Inc.](https://appshunter.io/developer/432828456) | [Genau Factory](https://appshunter.io/developer/1512838460) |

## What reviewers say

### 과수철 이야기 시리즈

[App page](https://appshunter.io/ios/app/id1042959678)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 유클리드가 들려주는 기본도형과 다각형 이야기 | $4.99 | one-time |
| 파스칼이 들려주는 경우의 수 이야기 | $4.99 | one-time |
| 에미뇌터가 들려주는 이항연산 이야기 | $4.99 | one-time |
| 데카르트가 들려주는 좌표 이야기 | $4.99 | one-time |
| 칸토어가 들려주는 집합 이야기(수학이야기) | $4.99 | one-time |
| 튜링이 들려주는 암호 이야기(수학이야기) | $4.99 | one-time |
| 수학자 패밀리 | $209.99 | one-time |
| 철학자 패밀리 | $239.99 | one-time |
| 과학자 패밀리 | $249.99 | one-time |
| 과수철 패밀리 | $399.99 | one-time |


### BookCircle

[App page](https://appshunter.io/ios/app/bookcircle-reading-notes/id6741431798)

This app helps you track reading progress, organize book details, and capture thoughts. It encourages building an active reading habit by monitoring finished books and summarizing insights.

**Highlights:** Track reading progress, Log books and pages read, Auto-fill book details, Write short reviews, Monitor reading habits, Organize book library

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

**In-app purchases:** none


## Frequently asked questions

### Is 과수철 이야기 시리즈 free?

과수철 이야기 시리즈 is free to download, with in-app purchases available.

### Is BookCircle free?

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

### Do 과수철 이야기 시리즈 or BookCircle have ads?

Neither 과수철 이야기 시리즈 nor BookCircle shows ads.

### Which is updated more often, 과수철 이야기 시리즈 or BookCircle?

과수철 이야기 시리즈 ships an update every 19 months, and BookCircle weekly. Most recently, 과수철 이야기 시리즈 was updated on November 6, 2026 and BookCircle on November 4, 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.*