# CIDR vs ParaGraph3D

The clearest difference is price: CIDR at Free against ParaGraph3D's $0.99. CIDR also leads on update cadence (every 3 weeks vs every 9 months) and iOS requirement (15.6 vs 17.0). ParaGraph3D's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

CIDR is free to download; ParaGraph3D costs $0.99 up front. CIDR sells 1 one-off in-app purchase. ParaGraph3D asks for nothing beyond the download.

CIDR ships an update every 3 weeks, ParaGraph3D every 9 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | CIDR | ParaGraph3D |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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 9 months |
| Monetization | Free | — |
| Size | 23 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [Mustafa Cans?z](https://appshunter.io/developer/692938224) |

## 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 |


### ParaGraph3D

[App page](https://appshunter.io/ios/app/paragraph3d/id6756138521)

**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 ParaGraph3D free?

ParaGraph3D costs $0.99, with no in-app purchases.

### Do CIDR or ParaGraph3D have ads?

Neither CIDR nor ParaGraph3D shows ads.

### Which is updated more often, CIDR or ParaGraph3D?

CIDR ships an update every 3 weeks, and ParaGraph3D every 9 months. Most recently, CIDR was updated on November 3, 2026 and ParaGraph3D on November 9, 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.*