This tool calculates IPv4 and IPv6 subnets, providing detailed information such as the number of hosts, subnet size, class, and network addresses. Use the interactive CIDR slider to dynamically adjust subnet properties.




250+ iOS apps curated and reviewed
Every iPhone needs a few good ip subnet calc apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.9★ (220) | No | No | Sep 2026 | ||
| 2 | Free | 4.7★ (141) | Yes | No | Sep 2026 | ||
| 3 | $1.99 | 5.0★ (34) | No | No | Sep 2026 | ||
| 4 | Free | — | No | No | May 2026 | ||
| 5 | Free | 2.3★ (22) | Yes | No | May 2026 | ||
| 6 | Free | — | No | No | May 2026 | ||
| 7 | Free | 5.0★ (1) | No | No | May 2026 | ||
| 8 | Free | — | Yes | No | Aug 2026 |




This tool calculates IPv4 and IPv6 subnets, providing detailed information such as the number of hosts, subnet size, class, and network addresses. Use the interactive CIDR slider to dynamically adjust subnet properties.





Calculate network, host, and broadcast addresses with a dedicated keypad. Supports classful and classless modes, with pickers for subnet mask and prefix length. Includes special-purpose address information based on RFC standards.




This utility calculates IPv4 and IPv6 subnets, providing detailed information such as host count, subnet size, and network addresses. It features an interactive CIDR slider for real-time property adjustments.