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Compare allApp info
- Installs
- 1+
- Category
- Finance
- Content rating
- Everyone
- Version
- 1.0
- Released
- Sep 6, 2026
- Last updated
- 16 Oct 2026
- In-app purchases
- No
- Contains ads
- Yes
- Promo video
- No
- Requires Android
- 7.0
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ver 1.0
Real-time calculations for mortgage repayments, refinancing, and early repayments. The ultimate mortgage calculator that allows you to manage the 5-year/125% rule and future repair plans all in one place.
[The Definitive Mortgage Management System: A Simulator to Support Your Home and Finances for a Lifetime] "If I make an early repayment on my current loan, when will I be able to pay it off?" "How will my repayment amount change if interest rates rise in the future?" This app eliminates these "invisible anxieties" about mortgages. More than just a calculator, it saves your actual loan situation and supports "total home management," including future repair costs. ◆ Main Features ◆ 1. New Loan Simulation • Simply enter the loan amount, interest rate, and term to instantly calculate your monthly repayment amount. • Fully supports principal and interest equal repayment, principal equal repayment, and bonus payments. 2. My Loan Management (Dashboard) • Save your loan conditions as "My Loan." You can check your current balance and repayment progress anytime. • Displays your "actual expected completion date" based on the number of months elapsed, and this year's mortgage interest deduction amount in real time. 3. Advanced Simulation (Refinancing & Early Repayment) • Precisely calculates the effects of early repayment (shortening the loan term and reducing the repayment amount) down to the yen. • Allows simulation assuming future interest rate increases. • Thoroughly assesses the risk of unpaid interest and the "5-year rule" and "125% rule" specific to variable interest rates, which can affect repayment amounts. 4. Life Plan & Repair Plan • Schedule and register future repair costs, such as exterior painting and equipment replacement. • Create a long-term financial plan that combines loan repayment and repair reserves. ◆ App Features ◆ • Fully compliant with Japanese domestic rules: Uses calculation logic common to Japanese banks. • Intuitive operation: Real-time calculations where results change instantly each time a value is changed. • Reliable visibility: Detailed and easy-to-read repayment schedule. The composition of interest and principal is also clear at a glance. • Supports the latest environment: Safe and smooth operation compatible with the latest Android 17. Visualize your mortgage finances to create a smart repayment plan and enjoy peace of mind!