# Smart Interpreter vs 為替電卓FX

The clearest difference is review sentiment: 為替電卓FX at 81% against Smart Interpreter's 20%. 為替電卓FX also leads on update cadence (every 4 months vs every 14 months) and iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart Interpreter ships an update every 14 months, 為替電卓FX every 4 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Smart Interpreter | 為替電卓FX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | **80.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 5 MB | 7 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YouTeacher Inc.](https://appshunter.io/developer/423093933) | [Mirai Kuriyama](https://appshunter.io/developer/878843623) |

## What reviewers say

### Smart Interpreter

[App page](https://appshunter.io/ios/app/smart-interpreter/id943703274)

This free app translates speech between 28 languages and 37 sounds. It uses advanced technology for accurate translation and pronunciation, making communication and language learning easier.

**Highlights:** Speech to text and text to speech translation, Supports 28 languages, Translates 37 different sounds, Free to use, Accurate translation and pronunciation, Siri voice input integration

**Features:** macOS Compatibility

**In-app purchases:** none


### 為替電卓FX

[App page](https://appshunter.io/ios/app/fx/id1033239665)

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.

**Highlights:** Calculator function, Currency conversion, Exchange rate updates, Supports 140+ countries, Finance tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Interpreter free?

Smart Interpreter is free to download, with no in-app purchases.

### Is 為替電卓FX free?

為替電卓FX is free to download, with no in-app purchases.

### Do Smart Interpreter or 為替電卓FX have ads?

Neither Smart Interpreter nor 為替電卓FX shows ads.

### Which is updated more often, Smart Interpreter or 為替電卓FX?

Smart Interpreter ships an update every 14 months, and 為替電卓FX every 4 months. Most recently, Smart Interpreter was updated on October 5, 2026 and 為替電卓FX on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*