# Simple Subnet Calc vs About Subnet Mask

The clearest difference is ads: Simple Subnet Calc at none against About Subnet Mask's shown. Simple Subnet Calc also leads on monetization model (free vs ad-supported). About Subnet Mask's advantage is update cadence (every 9 days vs every 6 months) and device support (3 vs 1). On price, rating, ratings volume and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Simple Subnet Calc against 5.0 for About Subnet Mask. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Simple Subnet Calc ships an update every 6 months, About Subnet Mask every 9 days. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Simple Subnet Calc | About Subnet Mask |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/simple-subnet-calc/id665684290/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/about-subnet-mask/id1662782439/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 60.9% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 9 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Diogo Andre Assumpcao](https://appshunter.io/developer/665684293) | [Jaehwa Noh](https://appshunter.io/developer/1629220949) |

## What reviewers say

### Simple Subnet Calc

[App page](https://appshunter.io/ios/app/simple-subnet-calc/id665684290)

This utility quickly calculates IPv4 and IPv6 subnets with a clean interface. It's designed for network professionals and students needing fast, accurate subnetting tools on their iPhone.

**Highlights:** IPv4 subnetting, IPv6 subnetting, Clean interface, Ad-free experience, Designed for professionals

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

**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 Simple Subnet Calc free?

Simple Subnet Calc 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.

### Which has better reviews, Simple Subnet Calc or About Subnet Mask?

Simple Subnet Calc and About Subnet Mask are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Simple Subnet Calc or About Subnet Mask have ads?

About Subnet Mask shows ads; Simple Subnet Calc does not.

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

Simple Subnet Calc ships an update every 6 months, and About Subnet Mask every 9 days. Most recently, Simple Subnet Calc was updated on October 7, 2026 and About Subnet Mask on September 29, 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.*