Submarine Player
Features
- Real-time on-device transcription and translation of any video
- Dual-language subtitles
- Works fully offline after a one-time model download
- Automatic language detection and time-stamping
- Batch processing to generate subtitle files for many videos
- Exports subtitles to SRT, VTT and CSV
- Plays any video format
- Runs on Mac with Apple Silicon
Pricing Details
Submarine Player offers a freemium pricing model, with a robust free tier that includes unlimited video playback and offline subtitle generation in multiple languages. It works entirely on-device for privacy and supports dual-subtitle viewing. The Plus Subscription (~$2.99/month or ~$19.99/year) unlocks advanced features like dual-caption display and subtitle file export. For a one-time purchase, users can get Lifetime Access for ~$24.99. The app runs on Apple Silicon Macs (macOS 15+), with transcription models downloaded once for full offline use. It’s ideal for language learners, travelers, and anyone watching foreign-language videos.