利息メーター

Do you really understand the interest you're earning on your savings?

"Interest Meter" is a calculation app that accurately simulates the interest earned on bank deposits. It supports both simple and compound interest and automatically calculates the net amount after deducting Japan's withholding tax (20.315%).

-- Main Features (Free) ---

- ​​Supports simple and compound interest calculations
- Select compounding frequency from "Once a year / Once every six months / Monthly / Custom". Custom settings allow you to freely specify the number of deposits per year.
- Freely set the deposit period (1 year to a maximum of 50 years).
- Easily view pre-tax and after-tax interest.
- Display year-by-year trends in a graph.
- Customizable tax rate (default: 20.315%).
- Simple and intuitive design.

--- Premium Features (One-time Purchase) ---

- ​​Switch between 9 currencies from the currency picker on the calculation screen (USD, EUR, GBP, AUD, CNY, KRW, THB, SGD, HKD).
- Calculate foreign currency interest and convert it to Japanese yen using real-time exchange rates.
- Hide in-app banner ads.

--- Recommended for: ---

- ​​Those who want to know the interest rate on time deposits in advance.
- Those who want to experience the power of compound interest.
- Those who want to check the effective yield considering taxes.
- Those who want to review their savings as a first step in asset management.
- Those who want to understand the interest on foreign currency deposits in Japanese yen.

Simple yet easy to use. Check your deposit interest rate now.