# Subnet Mask Calc vs Xaowo

The clearest difference is ads: Xaowo at none against Subnet Mask Calc's shown. Xaowo also leads on update cadence (every 9 days vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Subnet Mask Calc ships an update every 5 months, Xaowo every 9 days. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Subnet Mask Calc | Xaowo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (23 ratings)](https://appshunter.io/ios/app/subnet-mask-calc/id406375326/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 35.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 3 MB | 75 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [John Rouda](https://appshunter.io/developer/396597129) | [Hadiro Tafoua](https://appshunter.io/developer/6777609618) |

## What reviewers say

### Subnet Mask Calc

[App page](https://appshunter.io/ios/app/subnet-mask-calc/id406375326)

This free utility app quickly calculates subnet masks and wildcard masks for IPv4 networks. It's designed for IT professionals and students to simplify complex networking tasks and aid in certification preparation, offering offline functionality.

**Highlights:** Lightning-fast subnet calculations, Offline network connectivity, Calculates IP and wildcard masks, User-friendly interface, Ideal for IT engineers, Learning aid for certifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Xaowo

[App page](https://appshunter.io/ios/app/xaowo/id6777609616)

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

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Mask Calc free?

Subnet Mask Calc is free to download, with no in-app purchases.

### Is Xaowo free?

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

### Do Subnet Mask Calc or Xaowo have ads?

Subnet Mask Calc shows ads; Xaowo does not.

### Which is updated more often, Subnet Mask Calc or Xaowo?

Subnet Mask Calc ships an update every 5 months, and Xaowo every 9 days. Most recently, Subnet Mask Calc was updated on October 23, 2026 and Xaowo on October 22, 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.*