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.




249+ iOS apps curated and reviewed
Every iPhone needs a few good ip subnet calc apps. We benchmark 249+ 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 | Oct 2026 | ||
| 2 | Free | 4.7★ (141) | Yes | No | Sep 2026 | ||
| 3 | Free | 3.6★ (8) | No | No | Aug 2026 | ||
| 4 | $1.99 | 5.0★ (34) | No | No | Oct 2026 | ||
| 5 | Free | — | No | No | May 2026 | ||
| 6 | Free | 2.3★ (22) | Yes | No | May 2026 | ||
| 7 | Free | 5.0★ (1) | No | No | Oct 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 app assists networking professionals and students with IP address calculations. It offers tools for CIDR and VLSM subnetting, including practice modules and tutorials with practical examples.