# CaptionTube — Learn English with subtitles

> Learn English with subtitles (iPhone/iPad app by Hironobu Saito.)

- Source: https://appshunter.io/ios/app/captiontube/id6754217528 (this page in markdown: same URL + `.md`)
- Developer: [Hironobu Saito](https://appshunter.io/developer/1557456154)
- Category: Education, Photo & Video
- Price: Free
- Age rating: 12+
- Requires: iOS 13.0 · 39 MB
- Languages: Japanese
- Released: 2025-11-19
- Data updated: 2026-07-02
- User reviews in markdown: https://appshunter.io/ios/app/captiontube/id6754217528/reviews.md

## What is CaptionTube?

Videos + Captions + Translation - Take Your English Learning to the Next Level

CaptionTube is an app specialized in English learning that leverages YouTube video captions.

By displaying English captions and Japanese translations simultaneously with a fully synchronized highlight feature, you can improve your English skills efficiently while having fun.

-------------------------------------------
Key Features
-------------------------------------------

● Real-time Caption Synchronization
・Easy-to-read captions divided into sentences
・Auto-highlight captions based on video playback position
・Jump instantly to the corresponding scene by tapping a caption
・Word-by-word highlighting for detailed review
・Text search within captions to quickly find specific words or phrases

● Japanese Translation Feature
・Display Japanese translations of English captions with one tap (iOS 18+)

● Simple Operation
・Get captions instantly by entering a YouTube video URL or ID
・Intuitive interface that anyone can start using immediately
・Keyword search within the app
・Recommended channels feature (organized by beginner/intermediate/advanced levels)
・Playback history to quickly access previously watched videos

● YouTube Search Feature
・Display thumbnails, titles, view counts, and video duration in a list
・Play videos directly from search results
・Search history feature to quickly recall past searches

● Customizable Settings
・Adjust caption font size
・Change playback speed (0.25x to 2x)

-------------------------------------------
Recommended For
-------------------------------------------

・ Those who want to learn English enjoyably through YouTube videos
・ Those who find English captions alone difficult to understand
・ Those who want to study repeatedly at their own pace
・ Those who want to learn English from their favorite YouTubers' videos
・ Those who want to make effective use of commuting time
・ English learners of all levels, from beginner to advanced


## Version history (last 5 releases)

### 1.1.2 — 2026-06-12

We have decided to discontinue this app. Thank you.

### 1.1.0 — 2026-02-06

■ Enhanced English learning videos section on home screen
■ Video info now shows view count and upload date
■ Improved landscape layouts for smartphones and tablets
■ Various bug fixes and performance improvements

### 1.0.9 — 2026-02-01

Added chunk display feature (displays English sentences in hierarchical meaningful phrases; beta)
Added recommended English learning videos section to the home screen
Font size adjustments now apply across the entire app
Added sort by view count option to channel video list
Minor UI changes on some screens
Various bug fixes and performance improvements

### 1.0.8 — 2026-01-21

【New Features】
  ・Added Favorite Channels feature. Save your favorite channels for quick access
  ・Added Channel Search feature
  ・Added sorting options (by date, by rating) for channel video lists

  【Improvements】
  ・Improved search UI on Home screen
  ・Improved subtitle tap behavior

  【Bug Fixes】
  ・Fixed an issue where the translation button state was not preserved

### 1.0.7 — 2026-01-07

Small bug fixes

## Apps similar to CaptionTube

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [世界を旅するAI英会話 - スマート・チューター](https://appshunter.io/ios/app/ai/id6476081670) | 5.0 (1) | Free | Education |
| [Duosub - 動画で楽しく英語学習](https://appshunter.io/ios/app/duosub/id6507464076) | — | Free | Education |
| [Video Lingo dual subtitles](https://appshunter.io/ios/app/video-lingo-dual-subtitles/id6466717271) | 5.0 (1) | Free | Education |
| [英語チューブ - 動画で英語を覚えよう！](https://appshunter.io/ios/app/id6747566336) | 5.0 (1) | Free | Education |
| [Master Languages with Videos](https://appshunter.io/ios/app/master-languages-with-videos/id6670325286) | — | Free | Education |
| [Swipelingo: Learn Japanese YT](https://appshunter.io/ios/app/swipelingo-learn-japanese-yt/id6745492381) | — | Free | Education |

## More apps by Hironobu Saito

- [AnnoReader](https://appshunter.io/ios/app/annoreader/id1557456152)
- [かんたんスラッシュリーディング](https://appshunter.io/ios/app/id1591726988)

All apps by Hironobu Saito: https://appshunter.io/developer/1557456154

---

*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 2026-07-02.*