Subnetting is a crucial aspect of networking, and learning it can be a tedious task. However, the Subnetting Quiz app by Gambit Devs offers a fun and user-friendly way to practice subnetting questions. The app features a stylish layout and look that makes the learning process more interesting.

The app is designed for ease of use, and it implements a fun feel to an often tediously portrayed subject. It offers two types of practice: a general practice option and a quiz option. The general practice option features a cycle of random questions with a unique number entry system that enables input without the keyboard pop-up annoyances. The quiz option can be played with either a question countdown style or a time attack style, each offering the chance to input your best scores.

The app includes various types of questions, such as finding the number of networks and hosts, the first and last host address, the broadcast address, the network address, and the nth subnet address. It also allows users to calculate the subnet mask.

Overall, the Subnetting Quiz app is an excellent tool for anyone looking to learn subnetting in a fun and engaging way. Best of all, it's free to download and use.