為替電卓FX vs Ex Rate Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
為替電卓FX
This app combines a calculator with currency exchange functionality for over 140 countries. It's ideal for travelers needing to convert prices or for finance professionals tracking investments.
- Calculator function
- Currency conversion
- Exchange rate updates
- Supports 140+ countries
- Finance tracking
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為替電卓FXは電卓機能に為替の両替機能がついた両替電卓アプリです。 140ヶ国以上の国に対応した為替変換機能で、どんな旅行先もこのアプリ一つで対応可能！ 電卓機能がついているので複数の商品をまとめて計算し日本円で確かめることができます！ また、140ヶ国以上の国に対応しているのでFXなどのファイナンスにも最適！ 投資や資産形成をしている人にもオススメのアプリです！ ◆機能 ・電卓機能（基本的な四則演算） ・為替変更機能 ・両替機能 ◆こんな人におすすめです ・頻繁に色々な国へ旅行に行く人 ・海外でたくさん商品を買った時に、合計して母国の価格で確認したい人 ・FXや株などのファイナンスをしている人
Ex Rate Calc
This app offers quick and accurate currency conversions with an intuitive interface. It's designed for travelers and business professionals, allowing you to save results and even work offline.
- Quick currency conversions
- Accurate exchange rates
- Intuitive interface
- Save calculation results
- Offline functionality
- Widget support
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Ex Rate Calc A currency conversion app that provides quick and accurate conversions using exchange rates. With an intuitive interface, it simplifies calculations between multiple currencies and lets you save results. Perfect for travelers and business professionals, it even works offline for added convenience.
Screenshots
Verdict
The clearest difference is ads: 為替電卓FX at none against Ex Rate Calc's shown. 為替電卓FX also leads on review sentiment (81% vs 50%) and monetization model (free vs ad-supported). Ex Rate Calc's advantage is update cadence (every 2 months vs every 4 months). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
為替電卓FX ships an update every 4 months, Ex Rate Calc every 2 months. Both last shipped on October 7, 2026.
| Parameter | 為替電卓FX | Ex Rate Calc |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 80.8% of reviews — better | 50.0% of reviews |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Mirai Kuriyama | Fumiya Shigehara |
Customer experience
為替電卓FX
Ex Rate Calc
In-app purchases
為替電卓FX
No in-app purchases
Ex Rate Calc
No in-app purchases
