Updated Jul 24, 2026 · v26.7.5
An app that lets you build knowledge through quizzes, learn about economics through virtual stock investments, and even earn pocket money by making payments through the app.
🎓 Economics Quiz Solve five daily [Puffin World] quizzes and earn pocket money. ▪️ Learn essential economic and financial knowledge in over 30 locations, including banks, supermarkets, and companies, in the virtual world of Puffin World. Enjoy a fun, game-like learning experience and earn pocket money. ▪️ This quiz features curriculum-based content developed by Korea's top economics, finance, education, and gaming experts. ▪️ This is an opportunity for underage students to turn their knowledge into cash. 🎁 Plus Quiz For even more rewards and a wider range of knowledge, try our Plus Membership-exclusive quizzes. ▪️ Learn five daily quizzes on various background knowledge related to elementary, middle, and high school subjects, and earn ₩91,250 annually. 📈 Virtual Stock Investment Receive $2,000 every Friday and virtually invest in US stocks and coins. ▪️ Develop your investment acumen by buying stocks based on real data. ▪️ Easily understand how global companies make money and what news can drive stock prices up and down. ▪️ Earn pocket money or gift card prizes based on the weekly rankings. 📲 App Barcode Payment You can spend the pocket money you earn from quizzes, virtual investments, and various events anytime with barcode payments. You can earn up to 5% more reward points just by making a purchase, so many people use it to top up their accounts. ▪️ Instant payment with just 1 won—no minimum required! ▪️ Payments are accepted at GS25, Daiso, Olive Young, E-Mart 24, Paikdabang, Artbox, and other popular places for underage students! ▪️ Cash receipts can be processed on your parents' phones when making barcode payments! 🔥 Teens Economic News Enough with difficult economic news! Teens Economic News is written in easy-to-understand terms and flow that even upper elementary school students can understand! ▪️ Plus members receive notifications twice a week, keeping them up-to-date on the latest economic trends. ▪️ Simulated stock investment allows you to naturally develop not only current affairs and economic knowledge but also investment acumen. 🐷 Piggy Bank Set a target amount and save it in your piggy bank. ▪️ Money in your piggy bank can't be purchased with cards or barcodes, helping you resist impulse spending. ▪️ Develop savings habits by learning the basics of finance and personal savings. 💸 Money Transfer Function Easily transfer money to friends and family. And when you receive money in your virtual account, it's charged to Puffin Money, allowing you to spend it anywhere. ▪️ Money transfers are only possible within a safe limit, and cash withdrawals are not possible. ▪️ Thanks to this, we prevent cash fraud and provide a safe financial experience even for minors. 💳 Puffin Card You can instantly create a card and virtual account for your minor child without having to go to the bank. ▪️ Use it as a prepaid transportation card, accept mobile payments, and online payments. The card will be delivered to your child's home with their name on it (all free). ▪️ You can sign up for a regular allowance and provide a set amount periodically to teach them about spending. ▪️ Parents can view their children's spending history in real time for children under 14. (Children 14 and older can choose whether to share.) ▪️ You can save money by spending only what you've recharged and setting a daily limit. ▪️ You can record your spending history, take photos, and use stickers to keep track of your spending, eliminating the need for a spending log. ▪️ Parents receive a 30% income tax deduction on Puffin Card spending. 🍔 School Lunch Information ▪️ What's for lunch today? Check out the daily updated menu. 🔒 Reliable Security Lemon Tree, the edufintech company behind Puffin, is a registered electronic finance business operator with the Financial Services Commission, and protects your family's financial well-being with a robust information security system. ▪️ In case of loss, immediate processing is possible not only through the child's own app but also through the parent app. ▪️ Prevents illegal leakage of personal and financial information. ▪️ Encryption during data transfer and storage. ▪️ Developed infrastructure and systems prioritize security. 🟪 Information on required access permissions for using the Puffin app. 🟪 ▪️ Phone (required) Verify user identity and membership using the mobile phone number. ▪️ Notifications (optional) Notifications for learning status and payment. ▪️ Contacts (optional) Use the mobile phone number to manage group member invitations. ▪️ Camera (optional) Use to change profile photos and capture spending history. ▪️ Album (optional) Use to change profile photos and capture spending history. * Settings can also be configured in Settings > Puffin App > Permissions. * While you can still use the service without granting optional permissions, some features may be restricted. 🟪 Puffin Customer Center 🟪 For inquiries, please use the 1:1 inquiry feature within the Puffin app or contact us using the contact information below. ▪️ KakaoTalk: Search Puffin ▪️ Email: support@lemontree.ai Lemon Tree Co., Ltd. #507, 8 Seongnam-daero 331beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do
3 years on Google Play
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