Oxygen is a free health and fitness app developed by Aparito for Android users. The app is designed to help users track their oxygen levels and pulse rate in real-time, providing a comprehensive view of their health and fitness levels.

With Oxygen, users can easily measure their oxygen saturation level and pulse rate using their phone's camera and flash. The app is easy to use, and the results are displayed in an easy-to-read format. Users can also track their progress over time, set reminders to measure their oxygen levels regularly, and share their results with their healthcare provider.

Overall, Oxygen is a useful tool for individuals looking to monitor their health and fitness levels. It's simple to use, provides accurate readings, and allows users to keep track of their progress over time. Download Oxygen today to take the first step towards a healthier lifestyle.