# CIDR vs Rigging Tools

The clearest difference is update cadence: Rigging Tools at every 5 days against CIDR's every 3 weeks. CIDR's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. CIDR sells 1 one-off in-app purchase and Rigging Tools sells 2 in-app purchases, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.

CIDR ships an update every 3 weeks, Rigging Tools every 5 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | CIDR | Rigging Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cidr/id1564239813/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 23 MB | 43 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [Miguel Juzgado Rodriguez](https://appshunter.io/developer/991002044) |

## What reviewers say

### CIDR

[App page](https://appshunter.io/ios/app/cidr/id1564239813)

This utility calculates IP address ranges from an IP address and subnet mask. It supports IPv4 calculations, including prefix display, address range counts, and bit notation. Useful for quick CIDR notation checks and subnet mask conversions.

**Highlights:** IP address range calculation, Subnet mask to CIDR conversion, IPv4 prefix display, Number of address ranges, Bit notation display, Quick reference table

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Rigging Tools

[App page](https://appshunter.io/ios/app/rigging-tools/id6755364737)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ingles | $1.99 | per year |
| English | $8.99 | one-time |


## Frequently asked questions

### Is CIDR free?

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

### Is Rigging Tools free?

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

### Do CIDR or Rigging Tools have ads?

Neither CIDR nor Rigging Tools shows ads.

### Which is updated more often, CIDR or Rigging Tools?

CIDR ships an update every 3 weeks, and Rigging Tools every 5 days. Most recently, CIDR was updated on October 2, 2026 and Rigging Tools on October 1, 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.*