# Subnet Calculator + vs IPMask

The clearest difference is rating: IPMask at 5.0 against Subnet Calculator +'s 4.0. IPMask also leads on in-app purchases (none vs 4) and update cadence (every 5 months vs every 64 months). Subnet Calculator +'s advantage is ads (none vs shown) and ratings volume (7 vs 2). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. Subnet Calculator + sells 4 one-off in-app purchases. IPMask asks for nothing beyond the download.

IPMask holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 73% of Subnet Calculator +'s written reviews are positive against 100% of IPMask's.

Subnet Calculator + ships an update every 64 months, IPMask every 5 months. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Subnet Calculator + | IPMask |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (7 ratings)](https://appshunter.io/ios/app/subnet-calculator-plus/id445990645/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ipmask-subnet-calculator/id1031084465/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 72.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 64 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 1 MB | 5 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Steven Eppler](https://appshunter.io/developer/312274388) | [Aleksei Neronov](https://appshunter.io/developer/551009381) |

## What reviewers say

### Subnet Calculator +

[App page](https://appshunter.io/ios/app/subnet-calculator-plus/id445990645)

This utility app simplifies network calculations for professionals and students. It offers tools for IPv4 and IPv6 subnetting, including live CIDR sliders and subnet splitting. Results can be easily shared or copied.

**Highlights:** IPv4 subnet calculator with CIDR slider, Subnet Splitter for VLSM, IPv6 calculator with prefix slider, Auto-detect device IP from Wi-Fi, Navigate adjacent subnets, Share or copy results, Native Mac support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |
| Huge Tip | $9.99 | one-time |


### IPMask

[App page](https://appshunter.io/ios/app/ipmask-subnet-calculator/id1031084465)

This utility helps calculate IP network addresses and subnetworks for IPv4. It assists in understanding IP addressing functions like host identification and location addressing within a network. The tool is useful for dividing networks into smaller subnetworks through subnetting.

**Highlights:** IP network address calculation, Subnetwork subdivision, Host identification, Location addressing, IPv4 support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Calculator + free?

Subnet Calculator + is free to download, with in-app purchases available.

### Is IPMask free?

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

### Which has better reviews, Subnet Calculator + or IPMask?

IPMask is rated higher. Subnet Calculator + averages 4.0 out of 5 from 7 ratings, while IPMask averages 5.0 from 2 ratings.

### Do Subnet Calculator + or IPMask have ads?

IPMask shows ads; Subnet Calculator + does not.

### Which is updated more often, Subnet Calculator + or IPMask?

Subnet Calculator + ships an update every 64 months, and IPMask every 5 months. Most recently, Subnet Calculator + was updated on October 13, 2026 and IPMask on October 15, 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.*