# Probiotics Guide. vs GHZ state

The clearest difference is in-app purchases: GHZ state at none against Probiotics Guide.'s 2. GHZ state also leads on ads (none vs shown). Probiotics Guide.'s advantage is iOS requirement (13.0 vs 16). On price and device support there is nothing between them.

Both are free to download. Probiotics Guide. sells 2 in-app purchases, starting at $1.99 per month. GHZ state asks for nothing beyond the download.

## The numbers

| Metric | Probiotics Guide. | GHZ state |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 160 MB | 6 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Olga Ivanova](https://appshunter.io/developer/1733570435) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Probiotics Guide.

[App page](https://appshunter.io/ios/app/probiotics-guide/id6720753184)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $1.99 | per month |
| Sponsorship | $1.99 | one-time |


### GHZ state

[App page](https://appshunter.io/ios/app/ghz-state/id6743487296)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Probiotics Guide. free?

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

### Is GHZ state free?

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

### Do Probiotics Guide. or GHZ state have ads?

Probiotics Guide. shows ads; GHZ state does not.

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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.*