# Interest Meter — Deposit interest calculator

> Deposit interest calculator (iPhone/iPad app by Fuji Bit LLC..)

- Source: https://appshunter.io/ios/app/interest-meter/id6761615743 (this page in markdown: same URL + `.md`)
- Developer: [Fuji Bit LLC.](https://appshunter.io/developer/1874205957)
- Category: Finance
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 6 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, Brazilian Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2026-04-10
- Data updated: 2026-06-01
- User reviews in markdown: https://appshunter.io/ios/app/interest-meter/id6761615743/reviews.md

## What is Interest Meter?

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.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium | $2.99 | one-time |



## Version history (last 5 releases)

### 4.0 — 2026-05-15

- 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

### 3.0 — 2026-05-12

- Premium unlocked: foreign-exchange calculation in 9 currencies and ad-free experience
  - Calculator and FX tabs merged — pick a currency on the calculator screen for a simpler 3-tab layout
  - New "Custom" compound frequency lets you enter any number of compounding events per year
  - Result screen now shows a JPY conversion block when the calculator runs in a foreign currency
  - New Pro banner under the logo on the calculator screen (shown when JPY is selected)
  - Exchange rate card now displays the last update time with a manual refresh button
  - Production exchange rate API (FreeCurrencyAPI) integration
  - Unified gradient background with consistent decoration across every screen
  - Refreshed app icon

### 2.3 — 2026-04-29

We have fixed the bug.

### 2.2 — 2026-04-28

We have fixed the bug.

### 2.1 — 2026-04-25

We have fixed the bug.

## More apps by Fuji Bit LLC.

- [SUUGAKU](https://appshunter.io/ios/app/suugaku/id6759102221)
- [BUTURAKU](https://appshunter.io/ios/app/buturaku/id6759213255)
- [PAKEDOU](https://appshunter.io/ios/app/pakedou/id6759820254)
- [OKURERUNA！](https://appshunter.io/ios/app/okureruna/id6759956971)
- [HARAKU](https://appshunter.io/ios/app/haraku/id6759958253)
- [KORAKU](https://appshunter.io/ios/app/koraku/id6760215571)

All apps by Fuji Bit LLC.: https://appshunter.io/developer/1874205957

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*