Stillwave: Travel Comfort

Sound for Motion Comfort

$0.99

A research-backed 100 Hz sound for travel comfort. 60 seconds through your earbuds — up to 2 hours of calm. No pills, no patches. Put in your earbuds, press play, and let a 100 Hz sound help you feel more comfortable during travel — no pills, no patches. Stillwave plays a research-backed 100 Hz sound frequency designed with travelers in mind. Inspired by peer-reviewed university research on sound and the vestibular system. INSPIRED BY RESEARCH A 2025 study from Nagoya University (published in Environmental Health and Preventive Medicine) explored the relationship between 100 Hz sound exposure and the vestibular system. Stillwave brings this concept to your earbuds. HOW IT WORKS 1. Put in your earbuds (AirPods work great) 2. Tap Start — a gentle 100 Hz tone plays for 60 seconds 3. Use the 2-hour session timer to track your listening FEATURES • One-tap start — no setup, no configuration • 60-second sessions — quick and unobtrusive • 2-hour session countdown — know when to listen again • Works in the background — use other apps during your session • Mixes with your music — no need to pause your playlist • Smart earphone detection — guides you to optimal audio settings • AirPods optimization — confirms when optimal device is connected • Volume guide — ensures optimal sound levels DESIGNED FOR TRAVELERS • Road trips and long drives • Flights and air travel • Cruises and boat trips • Bus and train commutes • Anyone looking for travel comfort WHY SOUND? Stillwave offers a different approach to travel comfort — a sound-based experience backed by university research, delivered through earbuds you already own. Stillwave is a wellness tool. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease or condition. This app does not provide medical advice. Individual experiences may vary. If you have health concerns, please consult a healthcare provider.

Ratings & Reviews

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• Added localized App Store metadata for Korean, Japanese, and Chinese • Fixed localization bug where onboarding step texts were not translated • Fixed mismatched localization keys in session timer screen • Improved Chinese (Simplified) translations to use neutral, non-medical language

Version 1.1

The developer, Seonggu Kim, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Seonggu Kim
    Size
    • 647.2 KB
    Category
    • Lifestyle
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    Languages
    English and 16 more
    • English, Arabic, Dutch, French, German, Hindi, Indonesian, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Turkish, Vietnamese
    Age Rating
    4+
    Copyright
    • © 2026 Nullpointer Studio
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.