# IP Mask Calculator vs SubnetMaster

The clearest difference is price: SubnetMaster at Free against IP Mask Calculator's $0.99. SubnetMaster also leads on rating (5.0 vs 4.2). IP Mask Calculator's advantage is in-app purchases (none vs 3) and ratings volume (5 vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

SubnetMaster is free to download; IP Mask Calculator costs $0.99 up front. SubnetMaster sells 3 in-app purchases, starting at $4.99 per month. IP Mask Calculator asks for nothing beyond the download.

SubnetMaster holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: IP Mask Calculator has 5 ratings behind it against 1, so its average is the more settled of the two.

IP Mask Calculator ships an update every 6 months, SubnetMaster every 7 months. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | IP Mask Calculator | SubnetMaster |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/ip-mask-calculator/id523574612/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/subnetmaster-ip-calculator/id6761733401/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Paid | **Freemium** |
| Size | 1 MB | 49 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JGLstudio](https://appshunter.io/developer/523574615) | [Anthony Rubino](https://appshunter.io/developer/1891155024) |

## What reviewers say

### IP Mask Calculator

[App page](https://appshunter.io/ios/app/ip-mask-calculator/id523574612)

This utility app helps network engineers quickly calculate and verify IP subnet masks, host ranges, and broadcast IPs. It offers real-time updates as you adjust the mask bit, with results formatted for easy sharing via email or printing.

**Highlights:** Real-time IP mask calculation, Host range and broadcast IP display, Subnetting and Supernetting support, Decimal, Binary, and Hexadecimal views, Custom keyboard for easy editing, Emailable report formatting, IP address registration lookup

**Features:** macOS Compatibility

**In-app purchases:** none


### SubnetMaster

[App page](https://appshunter.io/ios/app/subnetmaster-ip-calculator/id6761733401)

This app simplifies complex IP subnetting calculations for network professionals and students. It offers tools for both IPv4 and IPv6, providing detailed network information and practice modes to master subnetting skills.

**Highlights:** VLSM & FLSM Calculators, Network ID & Broadcast Address, Usable Host Ranges, CIDR Notation, PDF & CSV Report Export, Interactive Training Modes, IPv4 & IPv6 Support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Annual Premium | $29.99 | per year |
| Lifetime Unlock | $59.99 | one-time |


## Frequently asked questions

### Is IP Mask Calculator free?

IP Mask Calculator costs $0.99, with no in-app purchases.

### Is SubnetMaster free?

SubnetMaster is free to download, with in-app purchases available.

### Which has better reviews, IP Mask Calculator or SubnetMaster?

SubnetMaster is rated higher. IP Mask Calculator averages 4.2 out of 5 from 5 ratings, while SubnetMaster averages 5.0 from 1 ratings.

### Do IP Mask Calculator or SubnetMaster have ads?

Neither IP Mask Calculator nor SubnetMaster shows ads.

### Which is updated more often, IP Mask Calculator or SubnetMaster?

IP Mask Calculator ships an update every 6 months, and SubnetMaster every 7 months. Most recently, IP Mask Calculator was updated on November 1, 2026 and SubnetMaster on November 5, 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.*