Fortunetellers

Tools built around Japan's financial context — yen-denominated, inflation-aware, and designed for long-term planning.

📈
Compound interest
Multi-period growth modelling with nominal/real rates, inflation adjustment, Monte Carlo simulation and scenario comparison. Supports monthly and annual contributions.
🏠
Rent vs buy
Break-even analysis comparing renting against buying property in Japan. Includes mortgage amortisation, opportunity cost and inflation adjustment.

Coming soon