Frequency Gen vs 100Hz

Frequency Gen generates audio tones from 1 Hz to 22,000 Hz with 4 wave types: sine, square, triangle, and sawtooth. Frequency controls Logarithmic slider Fine tuning +/- in 1 / 10 / 100 Hz steps Quick presets: 40, 100, 440, 1000, 8000, 16000 Hz Favorites: save up to 10 frequency + waveform combos Waveform viewer Real-time waveform (canvas), on/off Settings Volume control with a warning above 80% Light/dark theme Haptic feedback (on/off) 4 languages: EN, ES, CA, DE Silent switch detection Onboarding for new users Built-in FAQ

HundredHz is a lightweight tool to help ease motion sickness, inspired by public research on low-frequency sound and inner-ear balance. When you feel uneasy in a car, boat, or plane, put on your headphones, pick a sound, and listen for about a minute to relax and ease travel discomfort. SOUND LIBRARY All synthesized on-device, clean and precise: • 100Hz otolith tone (recommended, a research-based low tone) • 50Hz / 150Hz low tones • White noise, pink noise (relax, sleep) • 100Hz + white noise (layered) GUIDED BREATHING An optional breathing guide: inhale 4s, hold 2s, exhale 6s, with a ring that scales to your breath. Slow, deep breathing can itself help with nausea. ADJUSTABLE DURATION 1 / 3 / 5 minutes. Stops automatically, or stop anytime. SESSION HISTORY Every listen is logged — see your day streak, total sessions, and minutes. MOTION-SICKNESS TIPS Built-in guidance: why motion sickness happens, practical tips to feel better, and notes on the 100Hz research. THOUGHTFUL DETAILS • Headphones recommended for better low-frequency reproduction • A flowing waveform while playing, with a clear Stop button • Plays through headphones even with the silent switch on • Stops automatically on a call or when headphones are unplugged • English and Chinese, following your system language PLEASE NOTE HundredHz is a relaxation and comfort aid based on public research. It is not a medical device and is not a substitute for medical diagnosis or treatment. If discomfort persists or is severe, please consult a doctor; stop immediately if you feel unwell while listening.