j.wantplan

J.WANTPLANAn App Studio Making Everyday Life Easier

J.WANTPLAN is an independent app studio that handles every step in-house—from ideas and planning to design, development, and operation. We create mobile apps for everyday needs, including budgeting, meal planning, health tracking, and schedule management, and share practical stories for building better lives and habits. We focus on experiences that are easy to use rather than overloaded with features, and services people can keep by their side for years rather than use only briefly.
j.wantplan | From ideas to plans, from plans to services.
퀴즈 착착 app icon
퀴즈 착착
A Korean quiz app for everyday knowledge, language practice, and explanations
ko
성경퀴즈 착착 app icon
성경퀴즈 착착
쉽고 재미있게 공부하는 성경퀴즈
ko
혈압 수첩 app icon
혈압 수첩
매일의 혈압과 복약 내역을 기록하고, 추세 그래프와 PDF 보고서로 차곡차곡 정리하세요.
ko
3-Second Speed Quiz app icon
3-Second Speed Quiz
Challenge yourself with 333 nonstop questions — no time to think, only pure split-second decisions!
ko
혈당 착착 app icon
혈당 착착
간편한 혈당 기록, 관리, 분석하기
ko
말씀 착착 app icon
말씀 착착
간직하거나 공유하고 싶은 성경 말씀 이미지 만들기
ko
FeelyPolly app icon
FeelyPolly
하루의 감정을 기록하고 AI 분석으로 돌아보는 감성 일기, 필리폴리!
ko
혈압 착착 app icon
혈압 착착
간편한 혈압 기록, 관리, 분석하기
ko
j.wantplan | We build better services ourselves
J.WANTPLAN Co-founder j.won portrait
Co-founder
j.won
J.WANTPLAN Co-founder y.tony portrait
Co-founder
y.tony
J.WANTPLAN Family 🐈‍⬛ bang-wool portrait
Family 🐈‍⬛
bang-wool
J.WANTPLAN Family 🐈 ho-bbang portrait
Family 🐈
ho-bbang
We are a studio that creates services we use ourselves. We handle the entire process—from planning and design to development—solving problems we find important on our own. We build simple and practical services that people can use for a long time.
From Planning to Design and Development
We don’t just build apps—we design better experiences. We solve users' problems and deliver meaningful services.

Articles

Daily Body

Daily Body, renewed: small records, a little care each day

Meet the new icon, pastel design, and encouraging character in Daily Body. Explore workout, meal, and weight logs, calendars, charts, badges, and advanced reports. Available in English, Japanese, and Korean.

퀴즈 착착

퀴즈 착착, renewed: a little quiz, a little more knowledge

Explore the refreshed Korean-language quiz app: daily topics, search, 500 TOEIC vocabulary and grammar questions across five levels, answer explanations, and new premium mistake review and 150 advanced questions.

MealLog

Why Simply Recording What You Eat Helps with Health and Diet

Why do diets always fail? It's okay not to eat perfectly. The moment you start recording, you're already getting healthier.

MealLog

Smart Meal Management App 'MealLog', from Meal Logging to AI Nutritional Analysis All at Once!

Do you remember what you had for dinner last night?

MoneyLog

How to Track Income and Expenses with Money Tracker

Without complex settings or unnecessary procedures, you can finish managing just by quickly entering income and expense details anytime, anywhere.

MoneyLog

Smarter Budgeting with "Monthly Target Budget" and "Monthly Calendar"

Every time you record an expense, it intuitively tells you how much budget is remaining and how much you can spend today.

TodayDo

The Most Intuitive Todo List App

Are you tired of complicated to-do management apps?

TodayDo

New Year 2026, Best Planner App to Stop Procrastinating

TodayDo is the most intuitive Todo List app that boldly removes complex functions and helps you focus solely on what you need to do today.

성경퀴즈 착착

Bible Quiz ChakChak, renewed: clearer screens, more enjoyable study

Explore the refreshed design, clearer questions and explanations, and new sound and haptic feedback in the Korean-language Bible Quiz ChakChak app, with practical ways to study and review.