# Subnet Mask Calc vs OnlyHereSafe

The clearest difference is ads: OnlyHereSafe at none against Subnet Mask Calc's shown. Subnet Mask Calc's advantage is iOS requirement (15.0 vs 17.4). On price, 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 | Subnet Mask Calc | OnlyHereSafe |
| --- | --- | --- |
| 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 | — |
| Monetization | Ad-supported | — |
| Size | 3 MB | 5 MB |
| Requires iOS | **15.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Rouda](https://appshunter.io/developer/396597129) | [Yuji Tanaka](https://appshunter.io/developer/1450748397) |

## 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


### OnlyHereSafe

[App page](https://appshunter.io/ios/app/onlyheresafe-securepassword/id6664071497)

**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 OnlyHereSafe free?

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

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

Subnet Mask Calc shows ads; OnlyHereSafe 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.*