# Grounding, Earthing GroundSync vs Dragun Defense

The clearest difference is in-app purchases: Dragun Defense at none against Grounding, Earthing GroundSync's 7. Dragun Defense also leads on iOS requirement (13.5 vs 15.1). Grounding, Earthing GroundSync's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Grounding, Earthing GroundSync sells 7 in-app purchases, starting at $7.99 per 7 days. Dragun Defense asks for nothing beyond the download.

Grounding, Earthing GroundSync ships an update weekly, Dragun Defense every 3 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Grounding, Earthing GroundSync | Dragun Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (16 ratings)](https://appshunter.io/ios/app/grounding-earthing-groundsync/id6740164355/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Freemium | — |
| Size | 64 MB | 14 MB |
| Requires iOS | 15.1 | **13.5** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Amenti Labs LLC](https://appshunter.io/developer/1788668924) | [Seiryu Karate Do Martial Arts LLC](https://appshunter.io/developer/1790404087) |

## What reviewers say

### Grounding, Earthing GroundSync

[App page](https://appshunter.io/ios/app/grounding-earthing-groundsync/id6740164355)

This app helps you reconnect with nature and improve your well-being through grounding and earthing practices. Track your barefoot walks, discover nature therapy spots, and monitor your health metrics like sleep and heart rate. Learn about the benefits of forest bathing and sunlight exposure to build a consistent wellness routine.

**Highlights:** Log barefoot walks by surface and activity, AI-powered surface detection, Discover local nature therapy spots, Monitor heart rate and sleep trends, Measure sunlight exposure with lux meter, Set and track wellness goals, Educational content on grounding practices

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ground Sync Pro Weekly | $7.99 | per 7 days |
| Ground Sync Pro Weekly | $7.99 | per 7 days |
| Ground Sync Pro | $9.99 | per month |
| Ground Sync Monthly | $9.99 | per month |
| Ground Sync Annual Offer | $19.99 | per year |
| Ground Sync Pro Annual | $59.99 | per year |
| Ground Sync Annual | $59.99 | per year |


### Dragun Defense

[App page](https://appshunter.io/ios/app/dragun-defense/id6740525378)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grounding, Earthing GroundSync free?

Grounding, Earthing GroundSync is free to download, with in-app purchases available.

### Is Dragun Defense free?

Dragun Defense is free to download, with no in-app purchases.

### Do Grounding, Earthing GroundSync or Dragun Defense have ads?

Neither Grounding, Earthing GroundSync nor Dragun Defense shows ads.

### Which is updated more often, Grounding, Earthing GroundSync or Dragun Defense?

Grounding, Earthing GroundSync ships an update weekly, and Dragun Defense every 3 months. Most recently, Grounding, Earthing GroundSync was updated on October 24, 2026 and Dragun Defense on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*