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MoneyCalin is a record-keeping app that integrates a calendar and a household ledger into one.

You can manage your schedule and expenses on the same screen, allowing you to naturally record your daily plans and spending flow.

You can grasp your monthly schedule and expenses at a glance and intuitively check your spending patterns through statistics.

It operates without ads, servers, or logins, and all data is securely stored exclusively on the user's device. Calendar

• Display schedules and transactions simultaneously on a single calendar page
• Supports General / Period / Recurring / Multi-date schedules
• Manage checklists (detailed tasks) within schedules
• Smooth month navigation with left and right swipes
• Swipe to delete + return to top banner

Household Account Book

• Easy income/expense input, linked with categories, payment methods, and assets
• Automatic calculation of month-over-month changes
• Customizable month start dates (based on payday)
• Multiple condition filters — Transaction type, category, payment method, amount range

Assets

• Check balance instantly via progress
• Net worth at a glance with asset (cash, accounts, investments, liabilities) donut charts
• Drill-down into asset details + manual balance adjustments → Automatic reflection in the account book

Customized for Korean users
• Dedicated category for celebratory/condolence expenses + Sent/Received statistics cards
• Manage annual goals

• Automatic generation of fixed expenses
• 5 color theme presets

• JSON backup / restore — Export to the Files app and send via KakaoTalk or email

• CSV Export Transaction History (Excel Compatible)

Privacy

• No data collection, no login required

• All data stored only on this device

• No Ad SDK, Analytics SDK, or Crash Reporter used

• Data is deleted when the app is uninstalled

Development

• Continuously improving as a one-person developer

• Inquiries/Suggestions: woongbin96@naver.com

I will continue to refine this so you can use it for a long time. Thank you.