Comparison

성인의 수학 vs Starlyra

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

Head to head
About

성인의 수학

Features
Read full description

어른을 위한 수능 수학 학습 앱. 학창 시절 멀어졌던 수학, 이제 내 속도로 다시 시작하세요. 시험 압박도, 등수도 없습니다. 오늘 한 문제면 충분해요. ■ 이렇게 공부해요 · 개념 카드로 핵심 공식을 먼저 가볍게 · 막히면 단계별 힌트 (정답은 가린 채 방향만) · 풀고 나면 바로 채점 + 해설 (자세한 풀이는 펼쳐보기) · 틀린 문제는 자동으로 ‘다시 풀 문제’에 모여요 ■ 수능 커리큘럼 그대로 중학 수학 · 고등 공통수학 · 수학Ⅰ · 수학Ⅱ · 확률과 통계 · 미적분 · 기하 과목 → 단원 → 세부 단원 → 난이도(개념확인~수능실전)로 차근차근. ■ 실전처럼, 모의수능 공통 + 선택 1과목으로 구성된 시간제한 모의고사. 원점수와 문항별 해설까지. 이미 푼 문제는 빼고 ‘안 풀어본 문제’ 위주로 출제돼요. ■ 꾸준함을 돕는 장치 · 출석 체크와 연속 학습일 · 매일 정해진 시간 학습 리마인더(선택) · 푼 문제 수·정답률·과목별 진행률 기록 지금, 오늘 한 문제부터.

About

Starlyra

Read full description

Make the night sky your cinema. Choose something to observe, find its direction, and discover its story while looking at the sky. Starlyra brings observing plans, sky guidance and astronomy stories into one connected experience. CHOOSE TONIGHT'S HIGHLIGHTS Explore recommendations based on your selected location and time, object brightness and light pollution. Check direction and elevation, or change the time to plan ahead. FIND YOUR WAY TO THE STARS Select an object from Tonight or Search and tap Find. Direction and elevation guidance help you locate it in the sky. Drag to explore the sky map and pinch to zoom. LOOK UP AND LISTEN Read about stars, planets and constellations. Listen to narrated stories with Starlyra Plus, or choose a rewarded ad to unlock one object’s narration until local midnight. Choose system speech or an AI voice. AI speech is synthesized on your device after downloading the required model. EXPLORE OBSERVING LOCATIONS Use the light-pollution map to explore a place and apply its conditions to recommendations and the sky map. Switch to Night Mode for darker surroundings. TAKE A CLOSER LOOK Explore celestial objects from different distances with 3D space travel. Complete an optional rewarded ad to unlock eligible objects until local midnight, or enjoy ad-free access with Starlyra Plus. FREE FEATURES • Sky map, object search and information • Astronomy-based observing recommendations • Basic finding guidance and light-pollution map • Night Mode STARLYRA PLUS — IN-APP SUBSCRIPTION • Audio narration and voice selection • 3D space travel Monthly and yearly subscriptions are available. Check the App Store purchase screen for pricing, trial eligibility and renewal terms. Subscriptions renew automatically unless canceled. Manage them in your Apple Account settings. PLEASE NOTE Actual visibility depends on clouds, nearby lights, buildings and observing equipment. Light-pollution data is an estimate, not a live measurement or Bortle classification. Weather forecasts are not provided. Direction guidance may require calibration and can be affected by your device and surrounding magnetic fields. AI speech requires supported hardware and a model download. Maps, place searches, model preparation, some data updates and subscription verification may require internet access. Sky-map and 3D illustrations differ from naked-eye views. Never look directly at the Sun with unprotected eyes or an ordinary telescope. Privacy: https://starlyra.eurekable.space/privacy/ Usage information: https://starlyra.eurekable.space/terms/ Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: dev@eurekable.space

Screenshots

성인의 수학4 screens
Starlyra4 screens

Verdict

The call

The clearest difference is in-app purchases: Starlyra at none against 성인의 수학's 2. Starlyra also leads on update cadence (daily vs weekly). 성인의 수학's advantage is device support (3 vs 1). On price, ads and iOS requirement 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. 성인의 수학 sells 2 one-off in-app purchases. Starlyra asks for nothing beyond the download.

UpkeepUpdate frequency

성인의 수학 ships an update weekly, Starlyra daily. Both last shipped on October 31, 2026.

Scorecard3 real differences · 3 level
성인의 수학 versus Starlyra: the parameters behind the verdict, then further details
Parameter성인의 수학Starlyra
PriceFreeFree
Update frequencyWeeklyDaily — better
AdsYesYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.4
Further details — not scored
Size48 MB286 MB
Age rating4+12+
DeveloperMijin KimEurekable Co.,Ltd.

In-app purchases

2 purchases

성인의 수학

One-time2
  • 힌트쿠폰 10개$1.99
  • 광고 제거$3.99
None

Starlyra

No in-app purchases

Questions

Is 성인의 수학 free?
성인의 수학 is free to download, with in-app purchases available.
Is Starlyra free?
Starlyra is free to download, with no in-app purchases.
Do 성인의 수학 or Starlyra have ads?
Both 성인의 수학 and Starlyra show ads.
Which is updated more often, 성인의 수학 or Starlyra?
성인의 수학 ships an update weekly, and Starlyra daily. Most recently, 성인의 수학 was updated on October 31, 2026 and Starlyra on October 31, 2026.

Other comparisons