Calculate comprehensive IP subnetting information with this tool. It provides details like CIDR, network class, host bits, broadcast address, and network ID based on your IP address and subnet mask.
Subnetting Pro by Leo Tso

240+ iOS apps curated and reviewed
Looking for free subnetting pro apps? 14 of our 240+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 2.5★ (2) | No | No | May 2026 | ||
| 2 | Free | 4.4★ (10) | No | No | Aug 2026 | ||
| 3 | $3.99 | 3.3★ (3) | No | No | Oct 2026 | ||
| 4 | $4.99 | 4.5★ (34) | No | No | Oct 2026 | ||
| 5 | $1.99 | 5.0★ (34) | No | No | Oct 2026 | ||
| 6 | $1.99 | 4.7★ (31) | No | No | Oct 2026 | ||
| 7 | Free | 5.0★ (2) | No | No | Oct 2026 | ||
| 8 | $3.99 | — | No | No | Oct 2026 |

Calculate comprehensive IP subnetting information with this tool. It provides details like CIDR, network class, host bits, broadcast address, and network ID based on your IP address and subnet mask.





Master network subnetting with this educational app. It offers detailed tutorials and practice modules for CIDR and VLSM, providing clear explanations for each answer to enhance your learning.





This tool assists network administrators in organizing and tracking subnets. It allows for hierarchical organization of subnets, IP allocation for hosts, and calculation of subnet details. It also includes a finder for encompassing IPs and a standard calculator.