Sync podcasts from iPhone to MP3 swim headphones in two minutes
Convert recordings to searchable, editable text with timestamps and speaker identification
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
First sync free. Swimcast Plus: $29.99 one-time lifetime purchase.
Free plan: 400 credits one-time (approximately 1.5 hours of audio), files up to 30 minutes and 500 MB. Pro monthly: $15.00 USD, 1,500 credits per month (approximately 5.5 hours of audio), files up to 10 hours and 5 GB, upload 50 files at once. Pro yearly: $144.00 USD. Business monthly: $49.00 USD, 5
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
Word-level timestamps linked to audio
Automatic speaker identification and separation
Support for 40+ languages with automatic detection
AI-powered summarization with chapters and action items
Text translation with sync to audio
Export to multiple formats (Word, PDF, text, SRT, WebVTT)
Support for 12 audio and video file formats
Batch upload of up to 50 files (Pro) or 100 files (Business)
Three accuracy modes: Fast, Standard, and Precision
Processing queue priority on paid plans
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
Every word is clickable and linked to its exact moment in the recording for verification
One credit balance covers transcription, AI summaries, and translation with no surprise charges
Private by default—recordings never used for model training or made public
Fast processing: one-hour recordings typically transcribed within minutes
Eight free browser-based tools for subtitles, audio conversion, and word counting
Swimcast
Echoryte