# Subnet Mask vs IPv4サブネット計算機

The clearest difference is review sentiment: Subnet Mask at 100% against IPv4サブネット計算機's 60%. IPv4サブネット計算機's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Subnet Mask sells 1 one-off in-app purchase. IPv4サブネット計算機 asks for nothing beyond the download.

Subnet Mask ships an update every 6 months, IPv4サブネット計算機 every 11 months. The most recent releases landed on June 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Subnet Mask | IPv4サブネット計算機 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (31 ratings)](https://appshunter.io/ios/app/subnet-mask/id580727679/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 months** | Every 11 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 1 MB |
| Requires iOS | 26.0 | **8.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Furuya](https://appshunter.io/developer/503779747) | [KTC.CO.,Ltd](https://appshunter.io/developer/516464543) |

## What reviewers say

### Subnet Mask

[App page](https://appshunter.io/ios/app/subnet-mask/id580727679)

This app provides a quick way to calculate subnet masks and host addresses. It features a keypad for CIDR notation and allows for manipulation of keys via swipe gestures, functioning like a slider. It can also be used to determine wildcard masks and the number of addresses.

**Highlights:** Subnet mask calculation, Host address calculation, CIDR notation keypad, Swipe key manipulation, Wildcard mask calculation

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |


### IPv4サブネット計算機

[App page](https://appshunter.io/ios/app/ipv4/id1048945662)

This app simplifies IP address calculations for network engineers. Easily determine network addresses, broadcast addresses, IP ranges, host counts, and Cisco wildcard masks by rotating a picker. It automatically retrieves your IP address via Wi-Fi and allows sharing of results.

**Highlights:** IP address and subnet length calculation, Network and broadcast address determination, IP address range and host count, Cisco wildcard mask calculation, Automatic IP address retrieval via Wi-Fi, Smooth and fast IP address calculation, Shareable calculation results

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Mask free?

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

### Is IPv4サブネット計算機 free?

IPv4サブネット計算機 is free to download, with no in-app purchases.

### Do Subnet Mask or IPv4サブネット計算機 have ads?

Subnet Mask shows ads; IPv4サブネット計算機 does not.

### Which is updated more often, Subnet Mask or IPv4サブネット計算機?

Subnet Mask ships an update every 6 months, and IPv4サブネット計算機 every 11 months. Most recently, Subnet Mask was updated on June 10, 2026 and IPv4サブネット計算機 on September 13, 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.*