Waveful is made and published by Purple Night Inc. AppBrain is an independent app data site and isn't affiliated with Purple Night Inc. The app name, icon, screenshots and description belong to Purple Night Inc and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- July 1, 2026
- Size
- 3.60 MB
User feedback
Ratings and reviews on the App StoreComments on Waveful for iOS
We don't have enough comments to show example comments. Please check back later.
Store listing
By Purple Night Inc, from the App StoreDescription by Purple Night Inc Written by the developer, not by AppBrain. Click to read.
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.
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 3.60 MB
- Content rating
- Everyone
Technologies used by Waveful
Releases
Updates seen on the App Store- Version
- 1.0.2
- Launched
- May 2026
No changelog data
Alternatives
Similar apps and more from Purple Night IncAlternatives to Waveful
More from Purple Night Inc
Rankings
App Store top chartsApp Store Rankings for Waveful
About the app and developer
About Waveful
Waveful is a lifestyle app developed by Purple Night Inc.
What is the rating of Waveful?
Waveful has no ratings yet.
Is Waveful free?
Waveful is free. The app size is 3.60 MB. The latest version available is 1.0.2. The last update was on July 1, 2026.
What are the requirements for Waveful?
The app has a content rating of Everyone. The app has been available on the App Store since May 2026.
Developer information for Purple Night Inc
Address:
Frequently asked questions about Waveful
Is Waveful free?
Yes. Waveful is free on the App Store.
Is Waveful still available?
Yes. Waveful is on the App Store, and the last update we saw was on July 1, 2026.
How large is Waveful?
Waveful is 3.60 MB.
Is Waveful suitable for children?
App Store rates the content of Waveful as suitable for everyone.
Who made Waveful?
Waveful was developed by Purple Night Inc. It is listed in the lifestyle category on the App Store.
What are the best alternatives to Waveful?
People looking at Waveful also look at these lifestyle apps: 集中852, Fireplace Sounds: EmberFlow, Nest: Solace Meditation Focus, 공부타이머 공스 - 공무원 자격증시험 위한 스터디플래너, White Noise: Relax Sounds.
Share Waveful
Subscribe now to get full and unlimited access to AppBrain Intelligence. You'll have access to:
- App Intelligence dashboard (performance timeline, competitor comparison, country rankings, insight cards)
- Detailed ranking data per app
- Full timeline per developer
- Device market shares data per country
- Unlimited keyword tracking
AppBrain is an app data site, we track rankings, ratings, installs for all apps and games on Google Play and the App Store. AppBrain doesn't host app files or APKs, all install links go directly to the official store. All trademarks are owned by their respective owners.
More apps
App statistics