# Instant BTC/JPY Calc! — Real-time BTC/JPY instant calc

> Real-time BTC/JPY instant calc (iPhone/iPad app by Shun Isayama.)

- Source: https://appshunter.io/ios/app/instant-btcjpy-calc/id6740067180 (this page in markdown: same URL + `.md`)
- Developer: [Shun Isayama](https://appshunter.io/developer/1578976556)
- Category: Finance, Utilities
- Price: $5.99
- Age rating: 4+
- Requires: iOS 17.6 · 8 MB
- Languages: American English, Danish, Dutch, French (France), German (Germany), Italian, Japanese, Korean, Norwegian Bokmål, European Portuguese and 5 more
- Released: 2025-01-05
- Data updated: 2026-08-26
- User reviews in markdown: https://appshunter.io/ios/app/instant-btcjpy-calc/id6740067180/reviews.md

## What is Instant BTC/JPY Calc!?

Get the latest Bitcoin rates automatically and instantly convert between Japanese Yen and Bitcoin!

Perfect for cryptocurrency portfolio management, Bitcoin payment verification, BTC-denominated trade confirmation, and any situation requiring fast and accurate currency conversion.

＜Features＞
● Simple and intuitive interface

● Automatically fetches real-time Bitcoin rates

● Bidirectional conversion: Yen to Bitcoin and Bitcoin to Yen

● Always displays the latest Bitcoin rate and update time

● Easy-to-use numeric keypad

● Large display for instant result viewing

● Conversion history saving function

＜How to Use＞
1. Convert Yen to Bitcoin
* Enter amount in "Japanese Yen"
* Tap "Convert to Bitcoin" button
* Bitcoin equivalent appears in the result field

2. Convert Bitcoin to Yen
* Enter amount in "Bitcoin"
* Tap "Convert to Yen" button
* Yen equivalent appears in the result field

3. Update Bitcoin Rate
* Tap the refresh button in the top right corner to get the latest Bitcoin rate
* Rates are automatically fetched on app launch - use the refresh button as needed

4. View Conversion History
* Tap the "History" tab to review past conversions

Use it for cryptocurrency portfolio management, Bitcoin payment verification, BTC-denominated trades, and more!
Real-time Bitcoin rates ensure you always get the latest conversion results.

Simple operation and easy-to-use design for everyone.
From trade planning to actual transactions, use it in all scenarios.

This is a paid app with no ads.


## Version history (last 5 of 5)

### 1.7 — 2026-07-28

Multilingual support (Traditional Chinese, Italian, Dutch, Turkish, Swedish, Norwegian, Danish, and Brazilian Portuguese)

### 1.6 — 2025-12-23

Multi-language support (English, Chinese (Simplified), Spanish, French, German, Korean, Portuguese (Portugal))

### 1.5 — 2025-10-28

・アプリ有料化に伴い、広告を全て削除

### 1.4 — 2025-07-25

・軽微な不具合の修正

### 1.3 — 2025-02-22

・広告非表示機能を追加（アプリ内課金：月額サブスクリプション）
・ユーザへのアプリレビュー依頼機能を追加

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## More apps by Shun Isayama

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All apps by Shun Isayama: https://appshunter.io/developer/1578976556

## Related topics

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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 2026-08-26.*