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Swimcast vs Sentien by Eventag

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Swimcast compared with Sentien by Eventag
DetailSwimcast logo SwimcastSentien by Eventag logo Sentien by Eventag
What it doesSync podcasts from iPhone to MP3 swim headphones in two minutes Not given
StageNot given MVP
FoundedNot given Not given
Based inDE DE
Pricing modelFreemium Not given
PricingFirst sync free. Swimcast Plus: $29.99 one-time lifetime purchase. Free: €0 with 10 minutes per month. Basic: €24/month with 3,000 minutes per month. Pro: €120/month with 15,000 minutes per month. Ultra: €250/month with 25,000 minutes per month. Enterprise: Custom pricing. Overage: €0.035 per minute. Yearly billing available with 2 months free.
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
  • Audio event detection with confidence scores
  • Scene context identification
  • Activity context inference
  • Emotional context detection
  • Speaker identification
  • Custom acoustic model training
  • API and SDK access
  • Real-time audio processing on device
  • Hardware-level marker injection into EEG
  • JSON and CSV structured output
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
  • Multiple layers of context from single audio pass with timestamped results
  • Millisecond-precision hardware-level timing in EEG signal
  • Multi-layered contextual understanding beyond single labels
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)8 +1 (up) since last checkNot checked yet −1 (down) since last check
Trust Flow (Majestic)190
Citation Flow (Majestic)1914
Referring domains (Majestic)703

4 details filled in for both companies.

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