# CIDR vs Nice Widget

The clearest difference is price: CIDR at Free against Nice Widget's $0.99. Nice Widget's advantage is in-app purchases (none vs 1) and update cadence (every 9 days vs every 3 weeks). On ads, device support and iOS requirement there is nothing between them.

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

CIDR ships an update every 3 weeks, Nice Widget every 9 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CIDR | Nice Widget |
| --- | --- | --- |
| 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 days** |
| Monetization | Free | — |
| Size | 23 MB | 87 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [佰臣 费](https://appshunter.io/developer/1516074077) |

## 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 |


### Nice Widget

[App page](https://appshunter.io/ios/app/nice-widget/id1663618427)

**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 Nice Widget free?

Nice Widget costs $0.99, with no in-app purchases.

### Do CIDR or Nice Widget have ads?

Neither CIDR nor Nice Widget shows ads.

### Which is updated more often, CIDR or Nice Widget?

CIDR ships an update every 3 weeks, and Nice Widget every 9 days. Most recently, CIDR was updated on October 2, 2026 and Nice Widget on October 7, 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.*