# Subnet Gauge vs Simple Cidr

The clearest difference is in-app purchases: Simple Cidr at none against Subnet Gauge's 1. Simple Cidr also leads on ads (none vs shown) and iOS requirement (17.6 vs 26.0). Subnet Gauge's advantage is update cadence (every 8 months vs every 30 months). On price and device support there is nothing between them.

Both are free to download. Subnet Gauge sells 1 one-off in-app purchase. Simple Cidr asks for nothing beyond the download.

Subnet Gauge ships an update every 8 months, Simple Cidr every 30 months. The most recent releases landed on June 10, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Subnet Gauge | Simple Cidr |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 8 months** | Every 30 months |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 0 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Furuya](https://appshunter.io/developer/503779747) | [Luke Pilkington](https://appshunter.io/developer/1515186312) |

## What reviewers say

### Subnet Gauge

[App page](https://appshunter.io/ios/app/subnet-gauge/id567064150)

This application assists with subnet design by generating lists of networks and subnets. It displays key information such as the number of networks and host addresses, and identifies special subnet characteristics with icons.

**Highlights:** Subnet design assistance, List of networks/subnets, Number of networks displayed, Host addresses per subnet, Indicates subnet characteristics, Quick IP and mask entry

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |


### Simple Cidr

[App page](https://appshunter.io/ios/app/simple-cidr/id1515186313)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Gauge free?

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

### Is Simple Cidr free?

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

### Do Subnet Gauge or Simple Cidr have ads?

Subnet Gauge shows ads; Simple Cidr does not.

### Which is updated more often, Subnet Gauge or Simple Cidr?

Subnet Gauge ships an update every 8 months, and Simple Cidr every 30 months. Most recently, Subnet Gauge was updated on June 10, 2026 and Simple Cidr on September 8, 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.*