# Subnetwork vs IP Calcpad

The clearest difference is ads: Subnetwork at none against IP Calcpad's shown. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Subnetwork | IP Calcpad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/subnetwork/id1523667659/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 1 MB | 42 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nicholas Smart](https://appshunter.io/developer/1523667661) | [Tadayoshi Fujiki](https://appshunter.io/developer/401633010) |

## What reviewers say

### Subnetwork

[App page](https://appshunter.io/ios/app/subnetwork/id1523667659)

This app is a comprehensive IPv4 subnet calculator designed for both students and IT professionals. It offers intuitive tools for calculating single subnets, FLSM, and VLSM, with options for detailed binary calculations and saving subnet configurations.

**Highlights:** IPv4 subnet calculation, FLSM subnet generation, VLSM subnet generation, Detailed binary calculations, Save and retrieve subnet configurations, Intuitive user interface

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

**In-app purchases:** none


### IP Calcpad

[App page](https://appshunter.io/ios/app/ip-calcpad/id1610436312)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subnetwork free?

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

### Is IP Calcpad free?

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

### Do Subnetwork or IP Calcpad have ads?

IP Calcpad shows ads; Subnetwork does not.

### Which is updated more often, Subnetwork or IP Calcpad?

Subnetwork ships an update every 3 months, and IP Calcpad every 3 months. Most recently, Subnetwork was updated on October 20, 2026 and IP Calcpad on October 19, 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.*