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
Coming soon