Convert audio and video to text online with fast AI transcription
Sync podcasts from iPhone to MP3 swim headphones in two minutes
Stage
Startup
Not given
Founded
2026
Not given
Based in
US
DE
Pricing model
Freemium
Freemium
Pricing
Free: 2 uploads per day, 20-minute transcript previews, saved history, TXT and SRT export. Pro Monthly: $20/month. Pro Annual: $120/year (equivalent to $10/month, save 50%).
First sync free. Swimcast Plus: $29.99 one-time lifetime purchase.
Key features
99.8% accuracy with Whisper technology
Support for 98+ languages
Upload files up to 15 GB
Unlimited transcription minutes on Pro plan
Speaker recognition
Export as TXT, SRT, and VTT formats
Saved transcript history
GPU-powered ultra-fast processing
Private and secure transcription
Support for MP3, MP4, WAV, M4A, FLAC, OGG, AAC, and more
Find and add podcasts
Choose episodes on iPhone
Sync MP3 episodes to compatible swim headphones
Set playback order before swimming
Works with Shokz OpenSwim, OpenSwim Pro, H2O Audio, FINIS Duo
No Bluetooth required
Two-minute setup
What makes it different
GPU-powered transcription processes audio and video to text in seconds
99.8% accuracy with Whisper AI technology
Support for 98+ languages including challenging language combinations
Unified interface for both audio and video files
Large file support up to 15 GB with unlimited minutes
Direct iPhone to headphone sync without laptop needed
Built specifically for MP3 swim headphones where Bluetooth fails underwater
Designed for quick two-minute pre-swim preparation
Free first sync to test compatibility before paid option
Set and review playback order on iPhone before syncing
FastTranscriber
Swimcast