Breathly is an iPhone application developed by Matteo Mazzarolo. It falls under the Lifestyle category and specifically the Health & Fitness subcategory. With Breathly, users can experience daily relaxation and breath training.

The app offers a variety of breathing techniques to choose from, allowing users to focus on guided exercises. Whether you're looking to reduce stress, improve focus, or simply relax, Breathly has a breathing technique for every need.

One of the standout features of Breathly is its free and open-source nature. Users can enjoy the app without any ads or in-app purchases, making it a hassle-free experience. With its accessible design and easy-to-follow instructions, Breathly provides a convenient way to incorporate relaxation and breath training into your daily routine.