# IP Subnet Calculator vs RobustScanner

The clearest difference is ads: RobustScanner at none against IP Subnet Calculator's shown. RobustScanner also leads on update cadence (every 2 months vs every 4 months). IP Subnet Calculator's advantage is iOS requirement (12.0 vs 16.0). 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.

IP Subnet Calculator ships an update every 4 months, RobustScanner every 2 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | IP Subnet Calculator | RobustScanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/ip-subnet-calculator-ipv4v6/id6479329030/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 32 MB | 40 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fabio Archer](https://appshunter.io/developer/1735212389) | [Chengdu Daiyu Ledong Technology Co., Ltd](https://appshunter.io/developer/1859856325) |

## What reviewers say

### IP Subnet Calculator

[App page](https://appshunter.io/ios/app/ip-subnet-calculator-ipv4v6/id6479329030)

This tool efficiently calculates IPv4 and IPv6 subnets, simplifying complex network configuration and analysis tasks. It's designed for networking professionals and enthusiasts who need a reliable way to manage subnets.

**Highlights:** IPv4 subnet calculation, IPv6 subnet calculation, Network configuration aid, Network analysis tool, User-friendly interface

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

**In-app purchases:** none


### RobustScanner

[App page](https://appshunter.io/ios/app/robustscanner/id6751876209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IP Subnet Calculator free?

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

### Is RobustScanner free?

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

### Do IP Subnet Calculator or RobustScanner have ads?

IP Subnet Calculator shows ads; RobustScanner does not.

### Which is updated more often, IP Subnet Calculator or RobustScanner?

IP Subnet Calculator ships an update every 4 months, and RobustScanner every 2 months. Most recently, IP Subnet Calculator was updated on October 24, 2026 and RobustScanner 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.*