# Smart Interpreter — Speech to Text to Speech

> Free multilingual speech translation app for communication and language learning. (iPhone/iPad app by YouTeacher Inc..)

- Source: https://appshunter.io/ios/app/smart-interpreter/id943703274 (this page in markdown: same URL + `.md`)
- Developer: [YouTeacher Inc.](https://appshunter.io/developer/423093933)
- Category: Travel, Education
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 5 MB
- Languages: American English, Arabic, French (France), Italian, Japanese, Korean, Brazilian Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2014-12-05
- Data updated: 2026-06-25
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/smart-interpreter/id943703274/reviews.md

## What is Smart Interpreter?

New features : Speak to Voice Translator.
Just hold down the microphone and talk!

A completely free multilingual intelligent translation app.

Application developed by YouTeacher with combination technique.


[Application Overview]

Translate 28 languages and 37 different sounds for free.
Use Siri for voice input.
Translation and voice are using resources of global leading company.
Translation accuracy and pronunciation, we realize quality that no other company has.


[Scope of application]

Communication with people who do not speak the same language.
Suitable for learning different kinds of foreign languages.
Multi-lingualization of menus in hotel, company, restaurant, etc.
Voice search, voice guidance, voice narration, translation, interpreting, etc.


[supported Language]

Japanese, English, Chinese, Korean, Russian, French, Arabic, Portuguese, Czech, Danish, Dutch, Finnish, German, Greek, Polish, Spanish, Hungarian, Swedish, Vietnamese, Thai, Italian, Romanian


Youteacherasia@gmail.com
YouTeacher Co., Ltd.
Department of Smart Translation Engine Development

## Key features

- 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

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/smart-interpreter/id943703274/reviews.md

### 1/5 — とても残念です

*2018-02-26, version 1.2*

仕事で利用できるかと思い今回ダウンロードさせて頂きましたが、どう操作しても全く機能しませんでした。せめて缶コーヒー1本分でもカンパさせてください、このような中国製じみた未完成アプリを公開するようでは御社の名声に傷をつけかねません。

### 1/5 — 使えない

*2017-12-29, version 1.2*

使い方が分からず、設定の仕方も分からないので、使えません

### 5/5 — よくわからない

*2015-08-21, version 1.1*

チョットね

### 1/5 — 分からない

*2015-03-08, version 1.1*

使い方の説明がどこにもないので
使えません(+_+)

### 1/5 — 使い方が

*2015-02-17, version 1.1*

使い方がよくわからない、使い方の説明を明確に。

## Frequently asked questions about Smart Interpreter

### Does Smart Interpreter have ads?

No, Smart Interpreter does not contain advertisements. It is completely free to use without any ad interruptions.

### What languages does Smart Interpreter support?

Smart Interpreter supports translation for 28 languages, including Japanese, English, Chinese, Korean, Russian, French, Arabic, Portuguese, Spanish, German, and Italian, among others.

### How accurate is Smart Interpreter's translation?

The app claims to offer translation accuracy and pronunciation quality that no other company has, utilizing resources from a global leading company.

### Can Smart Interpreter be used offline?

The provided information does not specify offline capabilities. It is designed for real-time translation, which typically requires an internet connection.

### What devices is Smart Interpreter compatible with?

Smart Interpreter is compatible with iPhone, iPad, and iPod devices, as indicated by its supported devices list.

### How often is Smart Interpreter updated?

The app was last updated on July 15, 2025, with version 2.0.0. Specific update frequency is not detailed, but it has received updates since its release in 2014.

### What is the age rating for Smart Interpreter?

Smart Interpreter has an age rating of 4+, making it suitable for a wide range of users, including children.

### What are the main uses for Smart Interpreter?

Smart Interpreter is useful for communicating with people who speak different languages, aiding in foreign language learning, and for multilingualization of menus and services.

## Version history (last 5 releases)

### 2.0.0 — 2025-07-15

Optimized for iOS18, bug fixes, stability improvements, and other minor improvements.

### 1.6 — 2019-09-25

Supported for iOS13 and Swift5.

### 1.5 — 2018-07-28

Just hold down the microphone and talk!
Speak to Voice Translator.

### 1.4 — 2018-04-13

New features : Speak to Voice Translator.
長押しをして、話かけて見てください。

### 1.3 — 2018-04-10

iOS11、iPhone Xに最適化しまいた。

## Apps similar to Smart Interpreter

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [AppTek.ai WHISTLE™ Translate](https://appshunter.io/ios/app/apptekai-whistle-translate/id1520131147) | 5.0 (2) | Free | Travel |
| [OneTap Translation App 'OneTo'](https://appshunter.io/ios/app/onetap-translation-app-oneto/id6670566421) | — | Free | Travel |
| [English to Chinese Translator](https://appshunter.io/ios/app/english-to-chinese-translator/id1190142367) | 3.4 (5) | Free | Travel |
| [PilgriGo](https://appshunter.io/ios/app/pilgrigo/id380354577) | — | $4.99 | Travel |
| [Syru Taxi](https://appshunter.io/ios/app/syru-taxi/id6448703482) | 4.8 (4) | Free | Travel |
| [GPS Tracking Tool (Driver)](https://appshunter.io/ios/app/gps-tracking-tool-driver/id865429155) | 5.0 (2) | Free | Travel |

## More apps by YouTeacher Inc.

- [中国世界遺産 - UNESCO World Heritage in China](https://appshunter.io/ios/app/unesco-world-heritage-in-china/id423554048)
- [theプレゼン](https://appshunter.io/ios/app/the/id517550332)
- [孫正義名言 - Masayoshi Son Quotes](https://appshunter.io/ios/app/masayoshi-son-quotes/id524941007)
- [名作を読む一　日本を語れる日本人になる](https://appshunter.io/ios/app/id586223381)
- [TUGUMI WASHA](https://appshunter.io/ios/app/tugumi-washa/id823507385)
- [グルメ検索のGoomet「ぐーめ」](https://appshunter.io/ios/app/goomet/id825410981)

All apps by YouTeacher Inc.: https://appshunter.io/developer/423093933

---

*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 2026-06-25.*