공부력 MONSTER vs Otus Game
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
공부력 MONSTER
This educational game makes learning fun by letting users solve quizzes from popular study books. Earn in-game currency to unlock new maps and characters as you progress through English, Math, Korean, and Hanja challenges.
- Quiz-based learning
- Monster battles
- Map exploration
- Character collection
- Multi-subject practice (English, Math, Korean, Hanja)
- Social learning
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공부력 MONSTER는 완자공부력 문제집의 문제를 풀 수 있도록 한 교육 프로그램입니다. 이 프로그램에는 24종의 맵과 240종의 몬스터 그리고 150종의 캐릭터가 있습니다. 몬스터가 내는 퀴즈를 풀면 골드와 다이아를 얻을 수 있고 다양한 맵을 탐험할 수 있습니다. 몬스터가 내는 퀴즈는 완자 공부력 문제집의 영어, 수학, 국어, 한자 문제로 구성되어 있습니다. 친구들과 함께 공부력 MONSTER를 통해 즐겁게 학습하세요. *공부력 MONSTER 앱 내 모든 지도를 열기 위해서는 비상교육의 완자공부력교재를 구입하여 QR코드 인증을 받아야 합니다.*
Otus Game
Engage in a variety of games designed to improve eye health and vision. Requires membership and eye score measurement through a companion app to begin playing.
- Eye exercise games
- Vision improvement focus
- Requires Otus Plus membership
- Eye score measurement integration
- Suitable for tired eyes
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Otus Game is a collection of eye exercise games provided by Otus. How to play: 1. First, sign up for membership on the Otus Plus app and then perform eye score measurement. 2. Log in to Otus Game with the same account you signed up with on Otus Plus app. 3. Select a member and proceed with the games. Recommended for people: - Whose eyes are tired from using cell phones - Whose vision becomes increasingly blurry when looking at close objects - Whose vision becomes increasingly blurry when looking far away - Who have difficulty focusing “Sound effects obtained from https://www.zapsplat.com“
Screenshots
Verdict
The clearest difference is monetization model: Otus Game at free against 공부력 MONSTER's free with in-app purchases. 공부력 MONSTER's advantage is review sentiment (83% vs 67%). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
공부력 MONSTER ships an update monthly, Otus Game every 2 weeks. The most recent releases landed on September 19, 2026 and September 16, 2026 respectively.
| Parameter | 공부력 MONSTER | Otus Game |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 83.3% of reviews — better | 66.7% of reviews |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 2.0 GB | 174 MB |
| Age rating | 9+ | 4+ |
| Developer | VISANG EDUCATION INC | EDENLUX Corp. |
Customer experience
공부력 MONSTER
Otus Game
In-app purchases
공부력 MONSTER
No in-app purchases
Otus Game
No in-app purchases
