# GEMSTORY подбор камней vs Hz

The clearest difference is in-app purchases: GEMSTORY подбор камней at none against Hz's 3. GEMSTORY подбор камней also leads on iOS requirement (12.0 vs 15.6). Hz's advantage is update cadence (fortnightly vs every 3 months). On price, 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. GEMSTORY подбор камней asks for nothing beyond the download.

GEMSTORY подбор камней ships an update every 3 months, Hz fortnightly. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | GEMSTORY подбор камней | Hz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 730 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Roman Belov](https://appshunter.io/developer/1636181737) | [DADLINK TECHNOLOGIES LIMITED](https://appshunter.io/developer/1736032380) |

## What reviewers say

### GEMSTORY подбор камней

[App page](https://appshunter.io/ios/app/gemstory/id6733243637)

**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 GEMSTORY подбор камней free?

GEMSTORY подбор камней is free to download, with no in-app purchases.

### Is Hz free?

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

### Do GEMSTORY подбор камней or Hz have ads?

Neither GEMSTORY подбор камней nor Hz shows ads.

### Which is updated more often, GEMSTORY подбор камней or Hz?

GEMSTORY подбор камней ships an update every 3 months, and Hz fortnightly. Most recently, GEMSTORY подбор камней was updated on October 30, 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.*