Swimcast
Sync podcasts from iPhone to MP3 swim headphones in two minutes
Get it on your phone
Download on the App Store (opens in a new tab)An iPhone app that syncs podcast episodes to compatible MP3 swim headphones without requiring a laptop.
About this launch
Swimcast helps swimmers prepare fresh podcast episodes on their MP3 swim headphones directly from iPhone. Users select podcast episodes, review playback order, and sync MP3 files to compatible waterproof audio players through iOS Files—all without a laptop. The app supports Shokz OpenSwim, OpenSwim Pro, H2O Audio, FINIS Duo, and similar devices that expose writable storage to iOS. The first sync is free; Swimcast Plus offers unlimited syncs through a one-time lifetime purchase. Android support is coming soon.
What it does
- 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
Pricing
Pricing model: Freemium
First sync free. Swimcast Plus: $29.99 one-time lifetime purchase.
Shopper questions
How do I set up my first sync?
Follow the first-sync guide to check your headphones in iOS Files, select the correct folder, and test playback with one episode. Your first sync is free; Swimcast Plus unlocks unlimited syncs with a one-time lifetime purchase.
What swim headphones are compatible with Swimcast?
Swimcast works with MP3 swim headphones and waterproof audio players that expose writable storage to iOS, including Shokz OpenSwim, Shokz OpenSwim Pro in MP3 mode, AfterShokz Xtrainerz, H2O Audio TRI-style players, FINIS Duo, and similar devices when their storage is visible to your iPhone.
What if I cannot find my headphones?
Connect the headphones by USB and choose the mounted storage folder when iOS presents the folder picker. If the headphones do not appear, check the cable, adapter, and whether the headphones expose storage to iOS. Start in Apple's Files app to look under Locations for the connected player.
What if a podcast does not load?
Some podcast feeds may block downloads, return unsupported audio formats, or omit episode metadata. Try another podcast or refresh the feed later.
Is Android support available?
Swimcast is available for iPhone now, and Android support is coming soon.
Swimcast has a free listing. The owner can unlock the full profile with a paid launch for $5:
- Founder story (locked)
- Milestones (locked)
- Demo video (locked)
- Dofollow website link (locked)
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