# CIDR Calc vs Subnet Lab Pro

The clearest difference is price: CIDR Calc at Free against Subnet Lab Pro's $1.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CIDR Calc is free to download; Subnet Lab Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CIDR Calc | Subnet Lab Pro |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cidr-calc/id1565667811/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | — |
| Monetization | Free | — |
| Size | 1 MB | 2 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paul Smicker](https://appshunter.io/developer/1565667813) | [Guy Miller](https://appshunter.io/developer/1865478036) |

## What reviewers say

### CIDR Calc

[App page](https://appshunter.io/ios/app/cidr-calc/id1565667811)

Calculate subnet details, including IP addresses, masks, and reverse masks, using CIDR notation. Generate and share lists of subnets and hosts within the next higher octet. This tool simplifies network calculations for IT professionals and students.

**Highlights:** Subnet calculation, IP address display, Mask and reverse mask, Shareable subnet lists, Host calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Subnet Lab Pro

[App page](https://appshunter.io/ios/app/subnet-lab-pro/id6757671140)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CIDR Calc free?

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

### Is Subnet Lab Pro free?

Subnet Lab Pro costs $1.99, with no in-app purchases.

### Do CIDR Calc or Subnet Lab Pro have ads?

Neither CIDR Calc nor Subnet Lab Pro 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.*