CIDR vs SiteWeb Insight
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.
SiteWeb Insight
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深刻洞察数据中心动力环境运行的可靠性与安全性，永远在线的动环监控利器。随心掌控，及时处理,高效维护, 致力于关键技术成就永远在线的美好世界，构建用户永远在线的美好前景
Screenshots
Verdict
The clearest difference is in-app purchases: SiteWeb Insight at none against CIDR's 1. SiteWeb Insight also leads on iOS requirement (12.0 vs 15.6). CIDR's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support 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
Both are free to download. CIDR sells 1 one-off in-app purchase. SiteWeb Insight asks for nothing beyond the download.
CIDR ships an update every 3 weeks, SiteWeb Insight every 2 months. Both last shipped on November 3, 2026.
| Parameter | CIDR | SiteWeb Insight |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 44 MB |
| Age rating | 4+ | 17+ |
| Developer | akira ohmachi | Vertiv |
In-app purchases
CIDR
- Remove Ads$1.99
SiteWeb Insight
No in-app purchases
