CIDR vs Nice Widget
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CIDR
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.
- IP address range calculation
- Subnet mask to CIDR conversion
- IPv4 prefix display
- Number of address ranges
- Bit notation display
- Quick reference table
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Calculate the IP address range from the IP address and subnet mask. It can be used to calculate IPv4 addresses, including prefix display, number of address ranges, and bit notation. CIDR calculation, when you want to check CIDR notation quickly. To convert subnet mask to CIDR notation. It can also be used as a quick reference table for subnet masks. Bit notation is also available, so it is suitable for learning IPv4.
Nice Widget
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丰富多样的灵动岛、桌面小组件，让你的iPhone充满更多乐趣！
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | CIDR | Nice Widget |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | akira ohmachi | 佰臣 费 |
In-app purchases
CIDR
- Remove Ads$1.99
Nice Widget
No in-app purchases
