Serenity: Guided Meditations & Mindfulness is a free Android app developed by Olson Meditation and Mindfulness Apps that offers a variety of meditation and mindfulness techniques to bring peace, calm, and happiness to your life. It is an ideal app for beginners and experienced mindful meditators alike.

The app offers a 7-day audio course to learn the basics of meditation and mindfulness techniques. Additionally, it has various features such as sleep guides, stress relief, quick meditations, daily meditations, and more. The app does not require any sign-up or log-in, so you can start meditating straight away. It also offers over 2 hours of free audio, and extra content is available through one-time permanent purchases or unlock everything with a subscription. The app is easy to follow and offers techniques to quieten the mind, separate thoughts from feelings, and improve emotional well-being. It also has features such as daily reminders, challenges, and progress monitoring to help you stay motivated.