ListenBack - English Shadowing
AI Transcription&MP3LoopPlayer
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Level up your English listening skills. Loop any MP3, get AI transcription instantly, tap text to jump, and practice shadowing with real-time pronunciation scoring.
An AI-powered audio player built for English learners.
Import your favorite podcasts, listening materials, or any English audio as MP3. High-accuracy AI (Whisper) transcribes speech on-device so you can read along and catch every word you missed.
◆ Advanced Loop Playback
A-B repeat to loop tricky sections
Speed control from 0.5x to 3.0x (pitch preserved)
Waveform display for visual navigation
Bookmarks to mark & jump to key moments
Single track loop
◆ AI Transcription [Pro]
High-accuracy Whisper model, fully on-device
No internet required after initial model download
Auto-scrolling text synced to playback position
Tap any line to jump to that moment
Export as TXT or SRT
◆ Shadowing Practice [Pro]
Auto-loop by sentence from transcription
Record your voice with the microphone
AI transcribes your speech and compares to the original
Accuracy score to track your progress
Highlighted diff shows matched and missed words
Practice history to keep you motivated
◆ Free Features
File import & full playback controls
Waveform display, A-B repeat, bookmarks
Speed control & loop playback
◆ Pro Upgrade (one-time purchase)
AI transcription
Shadowing practice
Text export
Perfect for TOEFL prep, IELTS study, podcast learning, audiobook comprehension, pronunciation practice, and any English listening training.
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The developer, kou works, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- kou works
- Size
- 4.1 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- ListenBack Pro $2.99
- Copyright
- © 2026 kouworks