# IP Calculations vs About Subnet Mask

The clearest difference is ads: IP Calculations at none against About Subnet Mask's shown. IP Calculations also leads on monetization model (free vs ad-supported). 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.

## The numbers

| Metric | IP Calculations | About Subnet Mask |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/about-subnet-mask/id1662782439/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 9 days |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 9 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [G Sanghani](https://appshunter.io/developer/772995906) | [Jaehwa Noh](https://appshunter.io/developer/1629220949) |

## What reviewers say

### IP Calculations

[App page](https://appshunter.io/ios/app/ip-calculations/id1613113725)

This utility app helps network administrators and students calculate various IPv4 and VLSM subnetting details. It provides information on IP address classes, hosts per subnet, network and broadcast addresses, and binary notations for IP and subnet masks.

**Highlights:** Determine IPv4 Address Class, Calculate Hosts per Subnet, Find Network Address, Identify First and Last Host, Get Broadcast Address, Binary Notation for IPv4 and Masks, VLSM Allocated Hosts Calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is IP Calculations free?

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

### Is About Subnet Mask free?

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

### Do IP Calculations or About Subnet Mask have ads?

About Subnet Mask shows ads; IP Calculations 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.*