SubnetMaster: IP Calculator
Master IPv4 & IPv6 Subnetting
About
This app simplifies complex IP subnetting calculations for network professionals and students. It offers tools for both IPv4 and IPv6, providing detailed network information and practice modes to master subnetting skills.
What's New in SubnetMaster
1.4
November 4, 2026
Smarter quizzes, a fresh Pro paywall, daily streaks, and an in-app update prompt. Plus stability and performance fixes.
Subscriptions & In-App Purchases
Monthly Premium
Unlock full access to the subnet calculator and tools.
Developer apps
FAQ
What is SubnetMaster?
SubnetMaster is an IP calculator designed to simplify IPv4 and IPv6 subnetting for IT professionals and students. It helps with calculations for network design and exam preparation.
Does SubnetMaster have ads?
No, SubnetMaster does not contain advertisements. The app is free to download and use, with optional premium features available through in-app purchases.
What subnetting methods does SubnetMaster support?
SubnetMaster supports both Variable Length Subnet Masking (VLSM) and standard Classful subnetting (FLSM) for breaking down IP networks.
Can I export my subnet designs from SubnetMaster?
Yes, SubnetMaster allows you to generate professional PDF and CSV reports of your custom subnet designs. These reports can be shared with your team or used for documentation.
What are the premium features in SubnetMaster Pro?
SubnetMaster Pro offers unlimited VLSM/FLSM designs, unlimited PDF/CSV exports, advanced IPv6 features, and priority support. It can be unlocked with monthly, annual, or lifetime subscriptions.
What devices is SubnetMaster available on?
SubnetMaster is available on iPhone and iPad devices, indicated by its compatibility with the Apple ecosystem.
How often is SubnetMaster updated?
The latest version of SubnetMaster was released on November 4, 2026, indicating recent development and support for the application.
What is the age rating for SubnetMaster?
SubnetMaster has an age rating of 4+, making it suitable for a wide range of users, including younger students learning about networking.
