# Hz vs ソルフェジオ&シューマン共振発生器

The clearest difference is update cadence: Hz at fortnightly against ソルフェジオ&シューマン共振発生器's every 5 weeks. Hz also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Hz sells 4 in-app purchases, starting at $1.99 per 7 days and ソルフェジオ&シューマン共振発生器 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Hz ships an update fortnightly, ソルフェジオ&シューマン共振発生器 every 5 weeks. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hz | ソルフェジオ&シューマン共振発生器 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 730 MB | 54 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [DADLINK TECHNOLOGIES LIMITED](https://appshunter.io/developer/1736032380) | [Soichi Ueno](https://appshunter.io/developer/1837305605) |

## What reviewers say

### Hz

[App page](https://appshunter.io/ios/app/hz-pro/id6741500717)

This app uses sound therapy and real-time brainwave tracking to help calm your nervous system, sharpen focus, and improve sleep. It combines ancient healing frequencies with modern biofeedback and AI support for personalized wellness.

**Highlights:** Custom frequency generator, Guided meditation and stress relief, Sleep tools with low-frequency sound, Binaural beats for brainwave sync, Heart rate monitoring via camera, AI assistant for calm thinking, Real-time brainwave tracking

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HzPro Weekly Plan | $1.99 | per 7 days |
| HzPro Monthly Plan | $3.99 | per month |
| Half-Year Harmony | $14.99 | per 6 months |
| Yearly tracker | $24.99 | per year |


### ソルフェジオ&シューマン共振発生器

[App page](https://appshunter.io/ios/app/and/id6751943267)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent right of use | $5.99 | one-time |


## Frequently asked questions

### Is Hz free?

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

### Is ソルフェジオ&シューマン共振発生器 free?

ソルフェジオ&シューマン共振発生器 is free to download, with in-app purchases available.

### Do Hz or ソルフェジオ&シューマン共振発生器 have ads?

Neither Hz nor ソルフェジオ&シューマン共振発生器 shows ads.

### Which is updated more often, Hz or ソルフェジオ&シューマン共振発生器?

Hz ships an update fortnightly, and ソルフェジオ&シューマン共振発生器 every 5 weeks. Most recently, Hz was updated on October 13, 2026 and ソルフェジオ&シューマン共振発生器 on October 25, 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.*