# SimPal WiFi vs Hz

The clearest difference is in-app purchases: SimPal WiFi at none against Hz's 3. SimPal WiFi also leads on iOS requirement (9.2 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hz sells 3 in-app purchases, starting at $1.99 per 7 days. SimPal WiFi asks for nothing beyond the download.

SimPal WiFi ships an update every 3 weeks, Hz fortnightly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SimPal WiFi | Hz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 730 MB |
| Requires iOS | **9.2** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [先良 谢](https://appshunter.io/developer/1518517860) | [DADLINK TECHNOLOGIES LIMITED](https://appshunter.io/developer/1736032380) |

## What reviewers say

### SimPal WiFi

[App page](https://appshunter.io/ios/app/simpal-wifi/id1479801180)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HzPro Weekly Plan | $1.99 | per 7 days |
| HzPro Monthly Plan | $3.99 | per month |
| Yearly tracker | $24.99 | per year |


## Frequently asked questions

### Is SimPal WiFi free?

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

### Is Hz free?

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

### Do SimPal WiFi or Hz have ads?

Neither SimPal WiFi nor Hz shows ads.

### Which is updated more often, SimPal WiFi or Hz?

SimPal WiFi ships an update every 3 weeks, and Hz fortnightly. Most recently, SimPal WiFi was updated on November 7, 2026 and Hz on November 4, 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.*