# About Subnet Mask vs 网工计算器

The clearest difference is rating: About Subnet Mask at 5.0 against 网工计算器's 3.0. About Subnet Mask also leads on device support and iOS requirement (15.0 vs 17.6). 网工计算器's advantage is ratings volume (3 vs 1). On in-app purchases there is nothing between them.

About Subnet Mask holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

## The numbers

| Metric | About Subnet Mask | 网工计算器 |
| --- | --- | --- |
| Price | **Free** | — |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/about-subnet-mask/id1662782439/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/id6474507908/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Every 9 days | — |
| Monetization | Ad-supported | — |
| Size | 9 MB | 6 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Jaehwa Noh](https://appshunter.io/developer/1629220949) | [志成 孙](https://appshunter.io/developer/1714989391) |

## What reviewers say

### About Subnet Mask

[App page](https://appshunter.io/ios/app/about-subnet-mask/id1662782439)

This utility tool calculates subnet masks based on IP and subnet inputs. It supports both IP and CIDR formats, determines class-based network numbers, and saves previous calculations for easy access. Users can also check the class of any IP address.

**Highlights:** Subnet mask calculation, IP and CIDR format support, Class-based network number calculation, IP class checking, Search history

**Features:** macOS Compatibility

**In-app purchases:** none


### 网工计算器

[App page](https://appshunter.io/ios/app/id6474507908)

**In-app purchases:** none


## Frequently asked questions

### Is About Subnet Mask free?

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

### Is 网工计算器 free?

Pricing for 网工计算器 is not currently listed on the App Store.

### Which has better reviews, About Subnet Mask or 网工计算器?

About Subnet Mask is rated higher. About Subnet Mask averages 5.0 out of 5 from 1 ratings, while 网工计算器 averages 3.0 from 3 ratings.

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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.*