Read along while listening to audiobooks with word-by-word synchronization
Convert audio and video to text with 99.8% accuracy across 134+ languages
Stage
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
Free core features including read-along text, device transcription, offline functionality, and public-domain library. Optional Pro upgrade for advanced analytics.
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Key features
Word-level synchronized text highlighting with 60fps
On-device transcription without cloud upload
Offline playback after single engine download
Support for 99 languages
Import multiple audio formats including MP3, M4B, FLAC, OGG
Accessibility profiles for dyslexia, ADHD, and vision impairment
Built-in library with 20k+ public-domain titles
Quote saving and sharing with generated cards
Reading analytics with neuroscience-based brain score
Character map feature for tracking book figures
99.8% accuracy with Whisper Technology
Support for 134+ languages
Large file support up to 10 hours or 5GB
Multiple export formats including DOCX, PDF, TXT, SRT, VTT
Batch processing up to 50 files
Timestamp integration for video references
Audio enhancement and noise reduction
What makes it different
Complete privacy with no account or cloud uploads required
No external lyrics database; transcription generated directly from your audio
Supports your own audiobook files without DRM restrictions
No ads in core experience
5x faster than real-time processing
Free trial with no credit card required
No transcription limits or file size caps
Supports legal and medical transcription workflows
Automatic file deletion after processing for privacy