Comparison

DYB Window vs 루카(LUCA)

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

Head to head
About

DYB Window

This app allows students to submit homework and tests, receive individual feedback, and track their learning progress. It builds a unique history of academic achievements for comprehensive performance management.

Highlights
  • Submit homework and tests
  • Receive individual feedback
  • Track learning progress
  • View class schedules
  • Check shuttle bus information
  • Manage retakes and supplementary lessons
Features
Read full description

"DYB Window" 앱을 통해 학생들은 숙제와 테스트를 확인하고 제출할 수 있으며, 개별 Feedback을 받게 됩니다. 또한, 모든 학습 성과 Data를 플랫폼에 축적하고 학생 개별 고유의 history를 생성해 종합적인 학습 성과를 관리합니다. [DYB Window의 주요 기능] ① 학습과제 제출 ② 수업일지 확인 ③ 수업시간 확인 ④ 클래스 확인 ⑤ 셔틀버스 확인 ⑥ 재시험 및 보충 확인

About

루카(LUCA)

Record wild animals found in your daily life and build biodiversity knowledge through expert identification results. This app serves as a platform for citizen science projects focused on the biodiversity of Gyeonggi Province.

Highlights
  • Record wild animals
  • Expert identification
  • Build biodiversity knowledge
  • Citizen science platform
  • Biodiversity exploration
Features
Read full description

‘루카 LUCA, Last Universal Common Ancestor’ 란? 찰스 다윈이 「종의 기원」에서 명명한 생명의 나무(The tree of life)에서 가장 밑 기둥에 해당하는 ‘지구상에 현존하는 모든 생물의 공통 조상 생물체’입니다. 경기도 생물다양성의 시작부터 현재를 한 곳에 모으자는 의미로, 『루카(LUCA) – 경기생물다양성탐사』 앱이 경기도 생물다양성 시민 과학 프로젝트의 플랫폼으로 기억되길 바라는 염원을 담았습니다. 루카 앱을 통해 일상에서 찾은 보물, 야생 생물을 기록하고 전문가의 식별 결과를 통해 생물다양성 지식을 쌓아보세요.

Screenshots

DYB Window4 screens
루카(LUCA)4 screens

Verdict

The call

The clearest difference is review sentiment: DYB Window at 49% against 루카(LUCA)'s 32%. DYB Window also leads on update cadence (fortnightly vs every 6 weeks). On price, ads, in-app purchases and monetization model 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DYB Window ships an update fortnightly, 루카(LUCA) every 6 weeks. Both last shipped on November 4, 2026.

Scorecard2 real differences · 8 level
DYB Window versus 루카(LUCA): the parameters behind the verdict, then further details
ParameterDYB Window루카(LUCA)
PriceFreeFree
Rating3.1 (20 ratings) — better—
Positive reviews49.2% of reviews — better31.6% of reviews
Number of ratings20 — better—
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.1 — better
Further details — not scored
Size57 MB19 MB
Age rating4+4+
DeveloperEdu Brain Co. Ltdkiwon kim

Customer experience

DYB Window

All ratings20 ratings
Positive55.0%
Neutral5.0%
Negative40.0%
Written reviews61 reviews
Positive49.2%
Neutral9.8%
Negative41.0%

루카(LUCA)

Written reviews19 reviews
Positive31.6%
Neutral21.1%
Negative47.4%

In-app purchases

None

DYB Window

No in-app purchases

None

루카(LUCA)

No in-app purchases

Questions

Is DYB Window free?
DYB Window is free to download, with no in-app purchases.
Is 루카(LUCA) free?
루카(LUCA) is free to download, with no in-app purchases.
Do DYB Window or 루카(LUCA) have ads?
Neither DYB Window nor 루카(LUCA) shows ads.
Which is updated more often, DYB Window or 루카(LUCA)?
DYB Window ships an update fortnightly, and 루카(LUCA) every 6 weeks. Most recently, DYB Window was updated on November 4, 2026 and 루카(LUCA) on November 4, 2026.

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