# CIDR vs 傳播光 LightMesh

The clearest difference is in-app purchases: 傳播光 LightMesh at none against CIDR's 1. 傳播光 LightMesh also leads on update cadence (every 3 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. 傳播光 LightMesh asks for nothing beyond the download.

CIDR ships an update every 3 weeks, 傳播光 LightMesh every 3 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CIDR | 傳播光 LightMesh |
| --- | --- | --- |
| 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 3 days** |
| Monetization | Free | — |
| Size | 23 MB | 276 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [Zhongyifeng Information Technology (Suzhou) Co., Ltd.](https://appshunter.io/developer/1561899180) |

## 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 |


### 傳播光 LightMesh

[App page](https://appshunter.io/ios/app/lightmesh-app/id6781610489)

**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 傳播光 LightMesh free?

傳播光 LightMesh is free to download, with no in-app purchases.

### Do CIDR or 傳播光 LightMesh have ads?

Neither CIDR nor 傳播光 LightMesh shows ads.

### Which is updated more often, CIDR or 傳播光 LightMesh?

CIDR ships an update every 3 weeks, and 傳播光 LightMesh every 3 days. Most recently, CIDR was updated on October 24, 2026 and 傳播光 LightMesh on October 28, 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.*