# Subnet Mask Calc vs IP Subnet Calc

The clearest difference is review sentiment: IP Subnet Calc at 100% against Subnet Mask Calc's 35%. IP Subnet Calc also leads on rating (4.9 vs 2.4) and ads (none vs shown). Subnet Mask Calc's advantage is update cadence (every 5 months vs every 15 months). 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.

IP Subnet Calc holds the better App Store score, 4.9 against 2.4. That said, the two scores are not equally well evidenced: IP Subnet Calc has 251 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 35% of Subnet Mask Calc's written reviews are positive against 100% of IP Subnet Calc's.

Subnet Mask Calc ships an update every 5 months, IP Subnet Calc every 15 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Subnet Mask Calc | IP Subnet Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (23 ratings)](https://appshunter.io/ios/app/subnet-mask-calc/id406375326/reviews) | **[4.9 (251 ratings)](https://appshunter.io/ios/app/ip-subnet-calc/id1282188941/reviews)** |
| Number of ratings | 23 | **251** |
| Positive reviews | 35.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 15 months |
| Monetization | Ad-supported | **Free** |
| Size | 3 MB | 20 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Rouda](https://appshunter.io/developer/396597129) | [Goncalo Silva](https://appshunter.io/developer/1281379202) |

## 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, Vision Pro support

**In-app purchases:** none


### IP Subnet Calc

[App page](https://appshunter.io/ios/app/ip-subnet-calc/id1282188941)

This tool calculates IPv4 and IPv6 subnets, providing detailed information such as the number of hosts, subnet size, class, and network addresses. Use the interactive CIDR slider to dynamically adjust subnet properties.

**Highlights:** IPv4 and IPv6 subnet calculation, Displays number of hosts, Shows subnet size and class, Provides network and broadcast addresses, Interactive CIDR slider

**Features:** macOS Compatibility

**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 IP Subnet Calc free?

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

### Which has better reviews, Subnet Mask Calc or IP Subnet Calc?

IP Subnet Calc is rated higher. Subnet Mask Calc averages 2.4 out of 5 from 23 ratings, while IP Subnet Calc averages 4.9 from 251 ratings.

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

Subnet Mask Calc shows ads; IP Subnet Calc does not.

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

Subnet Mask Calc ships an update every 5 months, and IP Subnet Calc every 15 months. Most recently, Subnet Mask Calc was updated on November 1, 2026 and IP Subnet Calc on November 3, 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.*