# Synchronicity Tracker vs ResonanceOne

The clearest difference is in-app purchases: ResonanceOne at none against Synchronicity Tracker's 2. Synchronicity Tracker's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Synchronicity Tracker sells 2 in-app purchases, starting at $7.99 per month. ResonanceOne asks for nothing beyond the download.

Synchronicity Tracker ships an update every 3 weeks, ResonanceOne every 6 weeks. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Synchronicity Tracker | ResonanceOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/resonanceone-schumann-app/id6793112811/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 109 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [THE O POSITIVE WAY LLC](https://appshunter.io/developer/6787203192) | [Soulrise LLC](https://appshunter.io/developer/6793113083) |

## What reviewers say

### Synchronicity Tracker

[App page](https://appshunter.io/ios/app/synchronicity-tracker/id6787203190)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synchronicity Monthly | $7.99 | per month |
| Synchronicity Annual | $59.99 | per year |


### ResonanceOne

[App page](https://appshunter.io/ios/app/resonanceone-schumann-app/id6793112811)

This app translates Earth's energy data, including Schumann Resonance and geomagnetic activity, into a simple daily index. It offers widgets, forecasts, mood tracking with AI insights, and grounding practices. A calm community feature allows users to connect globally.

**Highlights:** Daily Earth energy index (0-100), Home Screen widgets, 3-day energy forecast, AI-powered mood tracking, Grounding and wellness practices, Calm global community

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Synchronicity Tracker free?

Synchronicity Tracker is free to download, with in-app purchases available.

### Is ResonanceOne free?

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

### Do Synchronicity Tracker or ResonanceOne have ads?

Neither Synchronicity Tracker nor ResonanceOne shows ads.

### Which is updated more often, Synchronicity Tracker or ResonanceOne?

Synchronicity Tracker ships an update every 3 weeks, and ResonanceOne every 6 weeks. Most recently, Synchronicity Tracker was updated on October 6, 2026 and ResonanceOne on October 13, 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.*