# Katnet vs OctetLab

The clearest difference is in-app purchases: Katnet at none against OctetLab's 1. Katnet also leads on iOS requirement (18.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. OctetLab sells 1 one-off in-app purchase. Katnet asks for nothing beyond the download.

## The numbers

| Metric | Katnet | OctetLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 9 MB | 1 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IT Guy IO](https://appshunter.io/developer/1891659643) | [永 张](https://appshunter.io/developer/1806535769) |

## What reviewers say

### Katnet

[App page](https://appshunter.io/ios/app/katnet/id6761824337)

**Features:** macOS Compatibility

**In-app purchases:** none


### OctetLab

[App page](https://appshunter.io/ios/app/octetlab-subnet-calculator/id6791678289)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubnetMaskCalculator Pro | $4.99 | one-time |


## Frequently asked questions

### Is Katnet free?

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

### Is OctetLab free?

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

### Do Katnet or OctetLab have ads?

Neither Katnet nor OctetLab 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.*