# Blue World Data vs SubnetMaster

The clearest difference is in-app purchases: Blue World Data at none against SubnetMaster's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SubnetMaster sells 3 in-app purchases, starting at $4.99 per month. Blue World Data asks for nothing beyond the download.

## The numbers

| Metric | Blue World Data | SubnetMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/subnetmaster-ip-calculator/id6761733401/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | — | Freemium |
| Size | 26 MB | 40 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Blue World Realty, LC](https://appshunter.io/developer/1874618323) | [Anthony Rubino](https://appshunter.io/developer/1891155024) |

## What reviewers say

### Blue World Data

[App page](https://appshunter.io/ios/app/blue-world-data/id6758728159)

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

**In-app purchases:** none


### SubnetMaster

[App page](https://appshunter.io/ios/app/subnetmaster-ip-calculator/id6761733401)

This app simplifies IP subnetting for IT professionals, network engineers, and students. It offers fast, accurate calculations for IPv4 and IPv6, including VLSM and FLSM, with options to export reports and practice subnetting skills.

**Highlights:** VLSM & FLSM Calculators, Network ID, Broadcast, Host Ranges, CIDR Notation, PDF & CSV Report Export, Interactive Training Modes, IPv4 & IPv6 Support

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Annual Premium | $29.99 | per year |
| Lifetime Unlock | $59.99 | one-time |


## Frequently asked questions

### Is Blue World Data free?

Blue World Data is free to download, with no in-app purchases.

### Is SubnetMaster free?

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

### Do Blue World Data or SubnetMaster have ads?

Neither Blue World Data nor SubnetMaster shows ads.

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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.*