Waveful (Remove Ads) vs Worry Stone

* Sound-based Wellness App Inspired by Frequency Research This wellness app provides frequency (Hz)-based sounds inspired by scientific papers and research studies. Explore sound categories such as Motion Comfort, Relaxation, Focus Support, Meditation, Ambient Noise, and Guided Breathing to create a more comfortable listening experience in everyday life. * Available Sounds 1. 100Hz Motion Comfort / Gentle Low-Frequency Support - Inspired by research published in Environmental Health and Preventive Medicine by researchers from Nagoya University, Japan (2025) 2. 432Hz Relax Mode / Relaxation & Sleep Support - Inspired by research published in EXPLORE by researchers from the University of Florence, Spain (2019) - Inspired by research published in Journal of Applied Oral Science by researchers from Valdivia, Chile (2020) 3. 528Hz Relaxation Tone / Calm & Relaxation Support - Inspired by research published in Health by researchers from Juntendo University, Japan (2018) 4. Binaural Beats Focus Support / Concentration Aid - Inspired by research published in Psychological Research by researchers from UNED, Spain (2019) - Inspired by research published in PLOS ONE by researchers from the University of Duisburg-Essen, Germany (2023) 5. 40Hz Gamma-Inspired Sound / Cognitive Focus Support - Inspired by research published in Journal of Neuroscience by researchers from the Pamplona Medical School, Spain (2002) 6. Ambient Noise Layer / White, Pink & Brown Noise - Inspired by research published in Journal of Clinical Sleep Medicine by researchers from Weill Cornell Medical College, USA (2022) - Inspired by research published in Frontiers in Psychology by researchers from Hamburg University Hospital, Germany (2015) 7. Guided Breathing / 4-7-8 & Box Breathing - Inspired by research published in Neuroscience & Biobehavioral Reviews by researchers from the University of Caen Normandy, France (2022) 8. 963Hz Meditation Tone / Deep Meditation - Direct clinical evidence regarding the specific effects of 963Hz remains limited. - This feature is designed as a high-frequency meditation sound intended to support deep meditation and immersive listening experiences rather than medical treatment. 9. 639Hz Harmonic Energy / Harmonious Atmosphere - Direct clinical evidence regarding the specific effects of 639Hz is currently limited. - This feature is intended to provide a soft harmonic tone for creating a calm and harmonious atmosphere. 10. 72Hz Deep Grounding / Low Frequency Grounding - Direct clinical evidence regarding the specific grounding effects of 72Hz has not been established. - This feature is designed as a low-frequency sound intended to create a calm and stable listening environment. 11. 1122Hz Clarity Tone / Clear High-Frequency Tone - Direct clinical evidence regarding the specific effects of 1122Hz remains limited. - This feature is intended to provide a clear and crisp high-frequency listening experience that may support focus and mental clarity. * Recommended Listening Time - Motion Comfort: 1 min - Sleep / Relaxation: 20–45 min, default 30 min - Stress Relief: 10–30 min, default 15 min - Focus: 15–45 min, default 25 min - Meditation: 10–30 min, default 15 min - Energy / Awakening: 5–15 min, default 10 min - Cognitive Focus Support: 10–20 min, default 15 min - Deep Grounding: 5–20 min, default 10 min - Spiritual / Intuition Sounds: 5–20 min, default 10 min *How to Use 1. Wear earphones or headphones for a more immersive experience. 2. Select your preferred category and press play. 3. Customize the playback timer as needed. * Key Features - Custom Hz settings - Background playback - Multiple timer options This app is a wellness tool inspired by research. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease or medical condition. Individual experiences may vary. Consult a qualified healthcare professional for health-related concerns.

Write a thought in your own words, keep an optional next step, and return when you choose. A private shelf beside the familiar tactile stones. HOW IT WORKS 1. Tap Thought shelf from the stone screen, then Write a thought. Add an optional next step in your own words. 2. Keep the entry Open, set it aside for Later with an optional revisit date, or File it. Return to add a follow-up; edits preserve the original entry and creation date. 3. Search your writing, reopen filed entries, share a saved entry explicitly, or permanently delete it after confirmation. Tactile stones, breathing, rituals, settling curves, reflections, stone gifts, widgets and settings remain available. A readable Stones/Tools header replaces the crowded icon row, and the interface now supports native iPad layouts. WHAT TO KNOW This is personal writing, not mental-health assessment or treatment. No emotion score or outcome is inferred. Revisit dates do not schedule notifications. Thought Shelf entries are separate from the existing stone-backup export; shared copies and operating-system backups are independent. iPhone and iPad.