# CIDR vs LaQoos

The clearest difference is in-app purchases: LaQoos at none against CIDR's 1. LaQoos also leads on update cadence (every 5 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CIDR sells 1 one-off in-app purchase. LaQoos asks for nothing beyond the download.

CIDR ships an update every 3 weeks, LaQoos every 5 days. The most recent releases landed on June 30, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | CIDR | LaQoos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cidr/id1564239813/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 23 MB | 34 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ao-system, Inc.](https://appshunter.io/developer/1338624340) | [SUNGJAE RYU](https://appshunter.io/developer/1877887395) |

## 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 |


### LaQoos

[App page](https://appshunter.io/ios/app/laqoos/id6759290079)

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

**In-app purchases:** none


## Frequently asked questions

### Is CIDR free?

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

### Is LaQoos free?

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

### Do CIDR or LaQoos have ads?

Neither CIDR nor LaQoos shows ads.

### Which is updated more often, CIDR or LaQoos?

CIDR ships an update every 3 weeks, and LaQoos every 5 days. Most recently, CIDR was updated on June 30, 2026 and LaQoos on September 13, 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.*