# ほんやく先生｜AI英語翻訳アプリ 英和・和英辞書にも > AI English conversation instructor translates and explains from a native perspective! It also supports checking pronunciation and switching between casual and formal English. This is an AI translation app that can be used for free. Canonical page: [https://chrome-stats.com/d/com.kiokdev.translator](https://chrome-stats.com/d/com.kiokdev.translator) ## Overview - **ID:** `com.kiokdev.translator` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Kioku LLC - **Category:** EDUCATION - **Downloads:** 1,356 - **Version:** 1.2.3 - **Last updated:** 2025-10-29 - **First published:** 2025-02-09 - **Publisher country:** JP - **Size:** 43 MB - **Data as of:** 2026-09-13 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.kiokdev.translator) - **Website:** [https://kiok.jp/translator](https://kiok.jp/translator) - **Privacy policy:** [https://kiok.jp/ja/policy/apps#privacy](https://kiok.jp/ja/policy/apps#privacy) ## Description A simple and practical AI English translation app!

Not just a machine translator...
AI suggests multiple expressions with explanations and example sentences.
You can also switch between casual/formal and American/British English!
You can also play back pronunciation, so it's perfect for English conversation, overseas travel, studying, etc.

You can also use it as an English-Japanese/Japanese-English dictionary by using the save function.

It's a free and ready-to-use AI translation app.

◆ Easy translation
What is xxx in English?
How do you translate xxx into Japanese?
Just fill in the xxx and an AI English conversation teacher will carefully translate from a native speaker's perspective.

◆ Deepen with additional questions
Deepen your translation by asking questions such as "How about this English expression?", "More casually", "Explain in detail", etc.!

◆ Easily switch between English-Japanese and Japanese-English
Perfect translation from Japanese to English and English to Japanese.

◆ Check your English pronunciation
You can play back the pronunciation of English expressions suggested by AI!
Also supports "slow playback" mode!

◆ Switch between casual and formal with one tap

Switch according to the situation, such as "Casual mode for English conversation with friends" and "Formal mode for English conversation at work"!

◆ Easily switch between American English and British English

You can also switch depending on the situation and your preferences, such as when you are traveling or studying abroad!

◆ Voice input
If typing on a keyboard is a hassle, you can input by voice!

◆ Bookmark to look back on
If you think "I want to remember this," just click the bookmark button!
You can also review and study with the bookmark list.
It is also recommended to use it as a substitute for an English-Japanese or Japanese-English dictionary.

◆ Privacy consideration
The questions you ask are not stored on the server and remain only on your smartphone.
Of course, the input contents will not be used for AI learning.
It is also recommended for those who are concerned about safety and privacy.

It was created with the aim of being a simple English translation app that can be used "comfortably," "funly," and "practically."
Please use it in a variety of situations, such as learning English, chatting with foreign friends, business English conversation, traveling abroad, studying abroad, etc.! ## Rankings - #1,063,651 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.ACCESS_WIFI_STATE` - `android.permission.INTERNET` - `android.permission.READ_EXTERNAL_STORAGE` - `android.permission.READ_MEDIA_AUDIO` - `android.permission.READ_MEDIA_VISUAL_USER_SELECTED` - `android.permission.RECORD_AUDIO` - `android.permission.SYSTEM_ALERT_WINDOW` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `android.permission.WRITE_EXTERNAL_STORAGE` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.kiokdev.translator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [AI英会話 Anytime - 話す練習・英語添削・復習](https://chrome-stats.com/d/com.aienglishspeaker.app) — 896 users - [「AI英会話」 i.friends（アイフレンズ）](https://chrome-stats.com/d/ai.ifriends.www.ifriends) — 58 users - [HelloMate - AI英会話・英語学習・日常会話トーク](https://chrome-stats.com/d/app.hellomate) — 70 users - [AI英会話 - AI LOVE ENGLISHで英語学習](https://chrome-stats.com/d/jp.co.hnut.aiLoveEnglish) — 78 users - [AI英会話 フォノブル - 英会話を楽しく本気で](https://chrome-stats.com/d/com.cognix.engapp) — 22 users - [AI英会話 無限にトークできる-エンドレス](https://chrome-stats.com/d/com.coka01.ai_english_talk) — 43,172 users - [自分専用のAI英語アプリ Topica](https://chrome-stats.com/d/com.kabuchilab.aicontextenglish) — 2 users - [AI Speak Tutor 2](https://chrome-stats.com/d/jp.co.aeonet.aispeaktutor2) — 42,083 users - [AI博士 - 複数の回答がもらえる日本語AIチャットアプリ](https://chrome-stats.com/d/jp.co.permission.gpt) — 105,697 users - [AVA Talk（アバトーク）](https://chrome-stats.com/d/com.avatalk) — 113 users - [AI日本語会話 HAi-J](https://chrome-stats.com/d/com.athuman.haij) — 2,826 users - [AI英会話スピークバディ-スピーキング/リスニング/英語学習](https://chrome-stats.com/d/apparray.edison_android_renewal) — 792,382 users, 4.20 / 5 --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.kiokdev.translator)