IP VSLM Calculator is a free Android application developed by Eusebio Perez Alvarez in the Education & Reference category. With this app, users can easily perform subnetting calculations for VLSM or IPV4 addresses, as well as practice their knowledge with exercises.

The interface of the app is simple and easy to use. Users can choose between VLSM or IPV4 options and input the necessary information to calculate the subnetting. The app also provides a step-by-step solution to the calculation, making it helpful for beginners who want to learn more about subnetting.

Additionally, the app offers a practice mode where users can test their knowledge with exercises related to VLSM subnetting. This feature is a great way to reinforce learning and improve subnetting skills.

Overall, IP VSLM Calculator is a useful tool for anyone who needs to perform subnetting calculations or wants to practice their subnetting skills. The app is straightforward and effective, making it a great choice for both beginners and experienced users.