Controlled Breathing Pro is an iPhone application designed to guide users through cardiac coherence exercises using sound cues, even when the device is in sleep mode. This app serves as your daily breathing companion, helping you achieve deeper relaxation by following audio beats with eyes closed. With customizable session durations, Inhale to Exhale ratios, breaths per minute, and more, it offers a tailored experience for users seeking relaxation and stress reduction.

Additionally, Controlled Breathing Pro allows users to select background sounds, beat tones, images, and indicators for breath transitions. The app enables users to record mood notes, earn virtual rewards, and practice cardiac coherence anytime, anywhere, making it a versatile tool for stress management and relaxation.