# IPv4サブネット計算機 vs PressIT

The clearest difference is update cadence: IPv4サブネット計算機 at every 11 months against PressIT's every 31 months. IPv4サブネット計算機 also leads on iOS requirement (8.0 vs 14.0). On price, ads, 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.

IPv4サブネット計算機 ships an update every 11 months, PressIT every 31 months. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | IPv4サブネット計算機 | PressIT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 31 months |
| Monetization | Free | — |
| Size | 1 MB | 40 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KTC.CO.,Ltd](https://appshunter.io/developer/516464543) | [Panasonic Connect Co., Ltd.](https://appshunter.io/developer/646285651) |

## What reviewers say

### 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


### PressIT

[App page](https://appshunter.io/ios/app/pressit/id1552168714)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is PressIT free?

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

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

Neither IPv4サブネット計算機 nor PressIT shows ads.

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

IPv4サブネット計算機 ships an update every 11 months, and PressIT every 31 months. Most recently, IPv4サブネット計算機 was updated on October 1, 2026 and PressIT on October 14, 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.*