# Ground- 40Hz Brain Regulation — Stop Overthinking

> Stop Overthinking (iPhone/iPad app by 海 黄.)

- Source: https://appshunter.io/ios/app/ground-40hz-brain-regulation/id6748937634 (this page in markdown: same URL + `.md`)
- Developer: [海 黄](https://appshunter.io/developer/1732246535)
- Category: Health & Fitness, Lifestyle
- Price: Free (on sale, was $19.99)
- Age rating: 4+
- Requires: iOS 16.6 · 2 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2025-07-30
- Data updated: 2026-06-05
- User reviews in markdown: https://appshunter.io/ios/app/ground-40hz-brain-regulation/id6748937634/reviews.md

## What is Ground?

Ground - Stop Overthinking with Science

  Ground is a neuroscience-based mental health app that uses Apple Watch
  real-time monitoring and AI algorithms to help you identify and regulate
  overthinking patterns.
 
  Scientific Intervention - 40Hz Gamma Wave Technology
  • Audio intervention based on MIT laboratory research
  • Rapidly regulate brain states through specific frequency audio
  • Multiple methods: breathing exercises, mindfulness meditation, grounding
   techniques

  Personalized Learning
  • Continuously learn your physiological baseline
  • Provide increasingly accurate personalized recommendations
  • Record intervention effectiveness, continuously optimize algorithms

  Based on Scientific Research
  Overthinking stems from excessive activation of the brain's Default Mode
  Network (DMN). Ground uses multi-dimensional approaches, combining HRV
  detection, 40Hz gamma wave regulation, and psychological techniques to
  help you regain inner peace.

  Key Features
  • Requires Apple Watch
  • All data stored locally, privacy protected
  • Do Not Disturb scheduling
  • Real-time effectiveness feedback
  • Continuously optimized intelligent algorithms

  Let science help you stop overthinking. Regain inner peace with Ground.


## Version history (last 3 releases)

### 1.1.1 — 2026-01-01

- Fixed issue where analytics always showed 0 interventions
- Fixed duration units not translating properly

### 1.1.0 — 2025-12-30

Brand New Identity - Ground

Major Updates
  • New brand name: Ground - Stop Overthinking with 40Hz
  • Refreshed UI with cleaner, more intuitive design
  • Enhanced Do Not Disturb feature for peaceful nights

Improvements
  • Optimized notification system with background monitoring
  • Fixed Do Not Disturb scheduling issues
  • Improved system stability and performance

Continuous Improvement
  We're committed to helping you manage your thoughts scientifically and
  regain inner peace.

### 1.0 — 2025-07-30

No release notes.

## More apps by 海 黄

- [Pulax](https://appshunter.io/ios/app/pulax/id6737796867)

All apps by 海 黄: https://appshunter.io/developer/1732246535

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*