Stop motion sickness in 60 seconds — no pills, no patches. Stillwave plays a specific 100 Hz sound that activates your inner ear's balance system. Based on peer-reviewed research from Nagoya University, the same science behind Samsung's Hearapy — built for iPhone. How it works: 1. Put on earbuds 2. Press play for 60 seconds 3. Enjoy up to 2 hours of relief $0.99 one-time. No subscription. No side effects.