# Hz vs Drink

The clearest difference is in-app purchases: Drink at none against Hz's 4. Hz's advantage is ads (none vs shown). On price, update cadence, device support 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. Drink asks for nothing beyond the download.

Hz ships an update fortnightly, Drink every 8 days. The most recent releases landed on September 28, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Hz | Drink |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 730 MB | 61 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [DADLINK TECHNOLOGIES LIMITED](https://appshunter.io/developer/1736032380) | [Camille MARIA](https://appshunter.io/developer/1802192618) |

## 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 |


### Drink

[App page](https://appshunter.io/ios/app/drink-map/id6743320603)

**In-app purchases:** none


## Frequently asked questions

### Is Hz free?

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

### Is Drink free?

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

### Do Hz or Drink have ads?

Drink shows ads; Hz does not.

### Which is updated more often, Hz or Drink?

Hz ships an update fortnightly, and Drink every 8 days. Most recently, Hz was updated on September 28, 2026 and Drink on October 14, 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.*