Wesper is a free iPhone app developed by Tatch Inc. It is a lifestyle application in the Health & Fitness category. The app pairs with Wesper's wireless at-home sleep analysis tool to help users improve their sleep quality.

With Wesper, users can gain insight into various sleep metrics such as snoring, respiration rate, breathing, and heart rate when paired with Wesper patches. The app also provides a time-lapse animation of sleeping positions to help users understand what works best for them.

One of the key features of Wesper is the immediate availability of sleep reports upon waking up, eliminating the need to wait. Users can also discover actionable insights within the app that they can implement before going to bed.

It is important to note that Wesper is not a medical device and is not approved or cleared for medical use by the FDA or any other regulatory authority. It does not provide medical diagnosis, screening, or clinical information. Users with medical concerns are advised to seek a doctor's advice before making any medical decisions.