# Civil Site Engineer App vs Subnet CIDR Pro

The clearest difference is price: Civil Site Engineer App at Free against Subnet CIDR Pro's $1.99. Subnet CIDR Pro's advantage is update cadence (fortnightly vs every 6 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

Civil Site Engineer App ships an update every 6 months, Subnet CIDR Pro fortnightly. The most recent releases landed on November 4, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Civil Site Engineer App | Subnet CIDR Pro |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/subnet-cidr-pro/id6816397989/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | — | Paid |
| Size | 63 MB | 2 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [超 张](https://appshunter.io/developer/1895478141) |

## What reviewers say

### Civil Site Engineer App

[App page](https://appshunter.io/ios/app/civil-site-engineer-app/id6474285109)

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

**In-app purchases:** none


### Subnet CIDR Pro

[App page](https://appshunter.io/ios/app/subnet-cidr-pro/id6816397989)

This app is a fast and accurate IPv4 subnet calculator and visual planner for network professionals and students. It offers instant calculations, VLSM planning, and a comprehensive CIDR reference, all while operating offline with no ads or tracking.

**Highlights:** Instant IPv4 & CIDR calculation, Visual VLSM subnet planner, Complete CIDR & mask reference, Offline operation, No ads or tracking, One-tap copying

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

**In-app purchases:** none


## Frequently asked questions

### Is Civil Site Engineer App free?

Civil Site Engineer App is free to download, with no in-app purchases.

### Is Subnet CIDR Pro free?

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

### Do Civil Site Engineer App or Subnet CIDR Pro have ads?

Neither Civil Site Engineer App nor Subnet CIDR Pro shows ads.

### Which is updated more often, Civil Site Engineer App or Subnet CIDR Pro?

Civil Site Engineer App ships an update every 6 months, and Subnet CIDR Pro fortnightly. Most recently, Civil Site Engineer App was updated on November 4, 2026 and Subnet CIDR Pro on November 10, 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.*