Sync podcasts from iPhone to MP3 swim headphones in two minutes
AI dictation for Mac that turns natural speech into clear, polished text
Stage
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Founded
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Based in
DE
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Pricing model
Freemium
Freemium
Pricing
First sync free. Swimcast Plus: $29.99 one-time lifetime purchase.
Free: 3,000 text units per week, all features included. Unlimited: $6.99/month or $59.99/year (equivalent to $5/month). Prepaid credits: CNY 9.90 one-time for 30,000 usage units.
Key features
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
Multilingual voice-to-text with automatic language detection
Translation into 28 target languages
AI text cleanup that preserves tone and style
Personal dictionary with learning from corrections
Optional Screen Context for spelling hints
System-wide text insertion with copy fallback
Dictation history and transcript recall
Custom keyboard shortcuts
Native Swift app for macOS
Lightweight 6.5 MB application
What makes it different
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
Works in any Mac app where you're typing without switching applications
Swimcast
Openbroca