YomiPlay
"AI Speech Recognition for audio/video Japanese learning (iOS App)"
YomiPlay is a premium iOS application that transforms your favorite audio and video into versatile learning materials. Using on-device AI recognition for precision subtitling, it enables immersive shadowing to master the language naturally while supporting subtitle editing and resource sharing.
Core Features
Built by a developer to solve real-world Japanese immersion pain points.
Automated Furigana (reading) system
Gairaigo / English etymological annotations
On-device AI-powered auto-subtitling
Immersive shadowing & sentence-by-sentence playback
Subtitle editing & resource sharing
Available on
Get YomiPlay
Download on iOS or get the Android APK — start reading with audio in minutes.
Pricing
Simple, transparent pricing
Start for free. Upgrade when you're ready.
Free
¥0
1 hour/month of free speech-to-text — experience the core listening workflow at no cost.
Premium Monthly
¥180/mo
Unlock unlimited subtitle generation, shadowing, TTS, and audio/video subtitle import, export & sharing.
Premium Yearly
¥1,480/yr
All Premium features at the best value — roughly 2 months free vs. monthly.
Lifetime
¥2,980
Pay once, use forever. No recurring fees, all future Premium updates included.
Community
Subtitle Sharing Platform
Browse and download community-shared .yomi subtitle files, or upload your own polished subtitles to help other learners.
Resources
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Technical Stack
Powered by.
Swift
SwiftUI
CoreML
Whisper (On-Device)
Interested in the implementation?
This project is part of the Toshiki Tech internal ecosystem.
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