Comparison

정보보안기사 시험준비 vs Sumday

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

Head to head
About

정보보안기사 시험준비

Features
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정보보안기사 실기에서 반복되는 핵심 개념을 짧은 카드로 학습하세요. 정보보안기사 시험준비는 126장의 학습 카드와 16개의 실전 구성·명령어·로그 판독 예제를 제공합니다. 문제와 제시 자료를 먼저 읽고, 카드를 탭해 답안과 풀이를 확인하세요. 주요 기능 • 네트워크·시스템·애플리케이션 보안과 관리·법규 등 6개 학습 영역 • 개념·약어·질문·답안·예제 내용 검색 • 분야, 학습 상태, 즐겨찾기, 실전 예제 조건을 함께 적용하는 필터 • 찾은 카드로 바로 이동하고 즐겨찾기만 모아 학습 • Snort, BIND, Apache, ACL, iptables, Windows·HTTP 로그 등 실전 예제 • 문제와 제시 자료를 먼저 보고 답안과 풀이를 확인하는 카드 구성 • 학습 중·암기 완료 상태와 분야별 진행률 • 마지막으로 본 카드부터 이어서 학습하고 학습 중 카드만 복습 • 학습 상태·마지막 위치·즐겨찾기를 파일로 백업하고 복원 • 큰 글자와 VoiceOver 지원 계정 없이 사용할 수 있으며 학습 기록과 즐겨찾기는 기기에 저장됩니다. 백업 파일은 사용자가 선택한 위치에 저장되며, 앱을 초기화하거나 삭제해도 직접 저장한 백업 파일은 남습니다. 복원 전에 저장 위치와 파일을 확인해 주세요. 무료 서비스 운영을 위해 하단 배너 광고가 표시될 수 있습니다. 추적 권한이 미결정인 경우 광고 SDK를 시작하기 전에 iOS 추적 권한을 요청하며, 권한을 허용하지 않아도 모든 학습 기능을 사용할 수 있습니다. 광고 데이터 처리에 관한 자세한 내용은 개인정보처리방침에서 확인할 수 있습니다. 이 앱은 독립적인 학습 보조 도구이며 한국방송통신전파진흥원 등 시험 시행기관의 공식 앱이 아닙니다. 시험 일정과 최신 출제기준은 공식 공고를 확인해 주세요.

About

Sumday

Sharpen your number sense with daily mental math exercises. This app offers quick arithmetic practice, practical math tricks, and progress tracking to improve your speed and accuracy in just five minutes a day.

Highlights
  • Daily arithmetic questions
  • Adaptive difficulty levels
  • Mental math technique cards
  • Progress tracking and reports
  • Streak tracking
  • Offline functionality
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Five minutes a day to get your mental math back. Sumday is a quiet daily routine for adults: real arithmetic, not puzzles, that keeps your number sense sharp. The more we rely on calculators and spreadsheets, the slower the math in our head gets. Sumday wakes it up with one short set a day that mixes addition, subtraction, multiplication, division, percentages and estimation. Learn one practical math trick a day, the kind school never taught you, and feel your speed come back. WHO IT'S FOR • Adults who feel their mental math isn't what it used to be • Anyone preparing for aptitude or job tests with timed number questions • People who want to split a bill, work out a discount or estimate a total in seconds • Anyone looking for light daily brain training HOW IT WORKS 1. Solve today's set of 20 questions. Five minutes is enough. 2. Check your results: accuracy and response time, compared with yesterday. 3. Unlock today's technique card and use it in tomorrow's set. 4. Come back tomorrow. A daily reminder keeps your streak going. FEATURES • Today's set: 20 mixed arithmetic questions across 7 types: addition, subtraction, multiplication, division, percentages, estimation and everyday math • Adaptive difficulty: questions get harder as you improve and ease off when you get stuck (12 levels) • Daily technique cards: 30 mental math tricks, from rounding shortcuts to quick percentages • Results report: accuracy, average response time and change since yesterday on one screen • Progress charts: daily and weekly trends in accuracy and speed • Streaks and a gentle daily reminder NO ACCOUNT, NO SERVER No sign-up needed. Your records stay on your device, and it works in airplane mode. PREMIUM (OPTIONAL) A one-time purchase removes ads and unlocks 3 practice modes (estimation, percentages, everyday math), Challenge mode (endless survival with 3 lives), Master mode (one life, every question timed), detailed statistics and all 30 technique cards. No subscription. Available in English, Korean and Japanese. Start your five minutes of math practice today.

Screenshots

정보보안기사 시험준비4 screens
Sumday4 screens

Verdict

The call

The clearest difference is in-app purchases: 정보보안기사 시험준비 at none against Sumday's 1. Sumday's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and 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

Both are free to download. Sumday sells 1 one-off in-app purchase. 정보보안기사 시험준비 asks for nothing beyond the download.

UpkeepUpdate frequency

정보보안기사 시험준비 ships an update fortnightly, Sumday every 11 days. Both last shipped on October 31, 2026.

Scorecard2 real differences · 6 level
정보보안기사 시험준비 versus Sumday: the parameters behind the verdict, then further details
Parameter정보보안기사 시험준비Sumday
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyFortnightlyEvery 11 days — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size14 MB34 MB
Age rating4+4+
DeveloperDAEHONG MINTON CO., LTD.

In-app purchases

None

정보보안기사 시험준비

No in-app purchases

1 purchases

Sumday

One-time1
  • Sumday Premium$3.99

Questions

Is 정보보안기사 시험준비 free?
정보보안기사 시험준비 is free to download, with no in-app purchases.
Is Sumday free?
Sumday is free to download, with in-app purchases available.
Do 정보보안기사 시험준비 or Sumday have ads?
Both 정보보안기사 시험준비 and Sumday show ads.
Which is updated more often, 정보보안기사 시험준비 or Sumday?
정보보안기사 시험준비 ships an update fortnightly, and Sumday every 11 days. Most recently, 정보보안기사 시험준비 was updated on October 31, 2026 and Sumday on October 31, 2026.

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