# IPv4サブネット計算機 vs Modeling Buddy

The clearest difference is ads: IPv4サブネット計算機 at none against Modeling Buddy's shown. IPv4サブネット計算機 also leads on iOS requirement (8.0 vs 15.0). Modeling Buddy's advantage is update cadence (every 3 weeks vs every 11 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.

IPv4サブネット計算機 ships an update every 11 months, Modeling Buddy every 3 weeks. Both last shipped on September 13, 2026.

## The numbers

| Metric | IPv4サブネット計算機 | Modeling Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 104 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KTC.CO.,Ltd](https://appshunter.io/developer/516464543) | [takumi kojima](https://appshunter.io/developer/1744584725) |

## 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


### Modeling Buddy

[App page](https://appshunter.io/ios/app/modeling-buddy/id6739587771)

**Features:** macOS Compatibility, 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 Modeling Buddy free?

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

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

Modeling Buddy shows ads; IPv4サブネット計算機 does not.

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

IPv4サブネット計算機 ships an update every 11 months, and Modeling Buddy every 3 weeks. Most recently, IPv4サブネット計算機 was updated on September 13, 2026 and Modeling Buddy 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.*