# Chapter.1 챕터원 vs EUNYUU

The clearest difference is price: Chapter.1 챕터원 at Free against EUNYUU's $2.99. Chapter.1 챕터원 also leads on update cadence (every 4 days vs every 9 days) and iOS requirement (15 vs 17.4). EUNYUU's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Chapter.1 챕터원 is free to download; EUNYUU costs $2.99 up front. Chapter.1 챕터원 sells 2 one-off in-app purchases. EUNYUU asks for nothing beyond the download.

Chapter.1 챕터원 ships an update every 4 days, EUNYUU every 9 days. The most recent releases landed on October 27, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Chapter.1 챕터원 | EUNYUU |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 94.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | — | Paid |
| Size | 68 MB | 140 MB |
| Requires iOS | **15** | 17.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chapter](https://appshunter.io/developer/1639996196) | [Hongsoon Park](https://appshunter.io/developer/1682443314) |

## What reviewers say

### Chapter.1 챕터원

[App page](https://appshunter.io/ios/app/chapter1/id1639996194)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chapter.1 앨범 테마 | $0.99 | one-time |
| Chapter.1 큐레이션 필터 | $0.99 | one-time |


### EUNYUU

[App page](https://appshunter.io/ios/app/eunyuu-literature-filters/id6478029636)

Apply unique literary-inspired filters and editing tools to your photos and videos. Recreate the atmosphere and emotions of classic literature with photographer-grade retouching and filmic effects. Save and share your custom editing styles.

**Highlights:** Literary-inspired emotional filters, Photographer retouching data application, Adjustable editing tools (brightness, contrast, color), Multiple aspect ratio support, Filmic texture overlays (grain, light leaks), Customizable retouching recipes (Filmbooks), Periodic gallery updates

**In-app purchases:** none


## Frequently asked questions

### Is Chapter.1 챕터원 free?

Chapter.1 챕터원 is free to download, with in-app purchases available.

### Is EUNYUU free?

EUNYUU costs $2.99, with no in-app purchases.

### Do Chapter.1 챕터원 or EUNYUU have ads?

Chapter.1 챕터원 shows ads; EUNYUU does not.

### Which is updated more often, Chapter.1 챕터원 or EUNYUU?

Chapter.1 챕터원 ships an update every 4 days, and EUNYUU every 9 days. Most recently, Chapter.1 챕터원 was updated on October 27, 2026 and EUNYUU on November 8, 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.*