Comparison

Chapter.1 챕터원 vs EUNYUU

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Chapter.1 챕터원

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#한눈에 볼 수 있는 미리보기 '필터' - 한 번에 여러 필터를 적용하여 원하는 느낌을 찾아보세요 #사진작가가 아니더라도 쉽게 조작할 수 있는 '편집기' - 더 디테일하게 사진의 느낌을 담을 수 있는 다양한 도구를 사용해보세요. #날짜별로 모아서 볼 수 있는 '앨범 캘린더' - 찍은 사진들을 일자 별로 한 번에 볼 수 있어 편해요. #다꾸에 이은 나만의 '앨범 꾸미기' - 앨범을 색다르게, 나만의 느낌으로 꾸며보세요. #곳곳에 숨겨진 챕터원만의 재미 - Chapter.1 사용자들을 위한 무료 필터/테마 앞으로 더 많은 기능이 추가될 예정입니다. 기대해주세요!

About

EUNYUU

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
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Bring the Literature to Your Photos Literary Vibes Filter, EUNYUU EUNYUU is a filter app inspired by various literary works from around the world! If you want to add the unique atmosphere and emotions of literary works to your photos and videos, this is the app for you! 

◇ Emotional filters inspired by literary works 
• All of EUNYUU's filters are inspired by literary works. • From Lucy Maud Montgomery's Redheaded Anne to Hermann Hesse's Damien, you can bring the emotions of works from around the world to your photos.
 ◇ Add a photographer’s touch to your photos 
• Enjoy photos that photographers have retouched with EUNYUU and apply the retouching data to your own photos and videos. 
• You can apply the retouching data to your photos as is or modify them to suit your taste. • New photos and retouching data will be added to the Gallery periodically. ◇ Editing tools to add your own personal touch • In addition to filters, EUNYUU offers editing tools to fine-tune your photos.
 • Adjust brightness, contrast, color, and more to create photos with your own personal touch. 
• You can edit in various ratios, including Instagram size (1:1, 4:5), Cinemascope size (21:9), and film print size (3:2).
 ◇ FX to add a filmic touch 
• A variety of texture overlays are included, including texture, grain, light leaks, and more.
 • Feel free to play around with the texture overlays to easily recreate the look of analog film photography.
 ◇ Create your own retouching recipes; Filmbooks • Save your favorite adjustments and recreate them on other photos. 
• Saved Filmbooks are easy to share by creating images for sharing.

 ◇ Instagram
 Follow us @eunyuu.official for news and events.
 ◇ Contact us
 If you have any problems using the app or have any feature suggestions, please feel free to contact us at eunyuufilter@gmail.com.

Screenshots

Chapter.1 챕터원4 screens
EUNYUU4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 3 level
Chapter.1 챕터원 versus EUNYUU: the parameters behind the verdict, then further details
ParameterChapter.1 챕터원EUNYUU
PriceFree — better$2.99
Positive reviews—94.4% of reviews
Update frequencyEvery 4 days — betterEvery 9 days
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Paid
DevicesiPhone, iPod — betteriPhone
Requires iOS15 — better17.4
Further details — not scored
Size68 MB140 MB
Age rating4+4+
DeveloperChapterHongsoon Park

In-app purchases

2 purchases

Chapter.1 챕터원

One-time2
  • Chapter.1 앨범 테마$0.99
  • Chapter.1 큐레이션 필터$0.99
None

EUNYUU

No in-app purchases

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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