# Narva ALS vs PetZeye Tracking

The clearest difference is iOS requirement: Narva ALS at 8.0 against PetZeye Tracking's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Narva ALS | PetZeye Tracking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 3 MB | 50 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [BROWN AND WATSON INTERNATIONAL PTY LTD](https://appshunter.io/developer/1445660896) | [EYNWA Zilos Ltd](https://appshunter.io/developer/1656669977) |

## What reviewers say

### Narva ALS

[App page](https://appshunter.io/ios/app/narva-als/id1445660897)

**Features:** macOS Compatibility

**In-app purchases:** none


### PetZeye Tracking

[App page](https://appshunter.io/ios/app/petzeye-tracking/id6738958749)

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

**In-app purchases:** none


## Frequently asked questions

### Is Narva ALS free?

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

### Is PetZeye Tracking free?

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

### Do Narva ALS or PetZeye Tracking have ads?

Neither Narva ALS nor PetZeye Tracking shows ads.

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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.*