# CIDR vs LAN Insight

The clearest difference is in-app purchases: LAN Insight at none against CIDR's 1. CIDR's advantage is iOS requirement (15.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

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

CIDR ships an update every 3 weeks, LAN Insight fortnightly. The most recent releases landed on June 30, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CIDR | LAN Insight |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Free | — |
| Size | 23 MB | 8 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ao-system, Inc.](https://appshunter.io/developer/1338624340) | [ideainnova srl](https://appshunter.io/developer/1607158130) |

## 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 |


### LAN Insight

[App page](https://appshunter.io/ios/app/lan-insight/id6764112993)

**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 LAN Insight free?

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

### Do CIDR or LAN Insight have ads?

Neither CIDR nor LAN Insight shows ads.

### Which is updated more often, CIDR or LAN Insight?

CIDR ships an update every 3 weeks, and LAN Insight fortnightly. Most recently, CIDR was updated on June 30, 2026 and LAN Insight on September 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.*