Read along while listening to audiobooks with word-by-word synchronization
Your music. Your rhythm.
Stage
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Founded
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Based in
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HK
Pricing model
Free
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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
Support for high-resolution audio formats including FLAC, ALAC, WAV, AIFF, MP3, AAC, OGG, and Opus up to 192 kHz / 24-bit
Offline playback of local files and downloaded collections
Binaural intensity adjustment
Custom journey creation with frequency and duration settings
Purpose-based presets for Sleep, Meditate, Relax, and Focus
Resonant Panoramas curated sound collections
Native audio engine with floating-point DSP processing at up to 96 kHz
Compatibility with stereo Bluetooth and wired headphones
My Music feature for local audio files on device
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
No account required and full offline capability after download
Automatic effect bypass when switching to speakers and restoration when headphones reconnect
BinauralFlow