
Interest Meter
Deposit interest calculator
0 ratings
With Ads
💰 Finance
Free
In-App PurchasesWith Ads
About
Do you know exactly how much interest your savings are earning?
Interest Meter is a clean, precise calculator for bank deposit interest. It supports both simple and compound interest, and automatically deducts withholding tax (default: Japan's 20.315%) so you can see your real take-home earnings.
--- Free Features ---
- Simple and compound interest calculation
- Compound frequency: yearly, semi-annual, monthly, or **custom** (specify any number of compounding events per year — e.g. 4 quarterly, 52 weekly, 365 daily)
- Flexible deposit period (1 to 50 years)
- See pre-tax and after-tax interest at a glance
- Year-by-year breakdown chart
- Customizable tax rate (default: 20.315%)
- Clean, intuitive design
--- Premium Features (one-time purchase) ---
- Switch the calculator to any of 9 foreign currencies (USD, EUR, GBP, AUD, CNY, HKD, SGD, KRW, THB)
- Live exchange rates with a JPY conversion section in the result view
- Ad-free experience across the entire app
--- Who Is This For? ---
- Anyone checking returns on fixed deposits
- People who want to see compound interest in action
- Savers who want to know their real after-tax yield
- Anyone taking the first step toward smarter money management
- Foreign-currency depositors who need quick JPY conversions
Simple by design. Check your deposit interest today.
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What's New in Interest Meter
4.0
May 15, 2026
- 9-language support: Japanese, English, Simplified Chinese, Traditional Chinese, Korean, Spanish, Portuguese (Brazil), German, French - Refreshed background artwork with a translucent overlay for better readability and a stronger brand feel - Hardcoded strings extracted to localization resources so every language renders correctly
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In-App Purchases
$2.99
Premium
Unlocks 9 foreign currencies and removes ads


