빅스페이스 vs Sumday

프리미엄 공유스페이스 BIXPACE는 유연한 작업공간을 제공합니다. 우리는 집중과 영감이 필요한 개인 공간 및 팀의 역량 강화를 위한 작업 공간을 지원합니다. * 필요한 날짜와 시간에 데스크와 업무공간을 예약할 수 있습니다. * 전문 촬영을 위한 호리존 스튜디오를 예약할 수 있습니다. * 시간별로 컨퍼런스룸을 예약하여 팀과 협업할 수 있습니다. * 프리미엄 공기청정시스템을 통해 쾌적한 실내환경을 제공합니다. * 초고속 Wi-Fi를 무료로 이용할 수 있습니다. BIXPACE 앱은 멤버 전용이며, 매장 내 키오스크와 연동이 되어 하나의 계정으로 앱과 키오스크를 모두 이용할 수 있습니다.

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.