# Water vs Subnet CIDR Pro

The clearest difference is update cadence: Subnet CIDR Pro at fortnightly against Water's every 59 months. On price, ads, 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.

Water ships an update every 59 months, Subnet CIDR Pro fortnightly. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Water | Subnet CIDR Pro |
| --- | --- | --- |
| Price | Free | Free |
| 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 59 months | **Fortnightly** |
| Monetization | — | Paid |
| Size | 1 MB | 2 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Bjarne Berge](https://appshunter.io/developer/1209858941) | [超 张](https://appshunter.io/developer/1895478141) |

## What reviewers say

### Water

[App page](https://appshunter.io/ios/app/water-content/id1568497596)

**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 Water free?

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

### Is Subnet CIDR Pro free?

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

### Do Water or Subnet CIDR Pro have ads?

Neither Water nor Subnet CIDR Pro shows ads.

### Which is updated more often, Water or Subnet CIDR Pro?

Water ships an update every 59 months, and Subnet CIDR Pro fortnightly. Most recently, Water was updated on October 27, 2026 and Subnet CIDR Pro on October 21, 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.*