Happy 8: Daily Challenge is a lifestyle app available on the iPhone platform. The app encourages users to fill a list with positive goals daily, fostering a habit of focusing on positivity. Users can store their happy moments in one place, receiving random notifications as reminders. The app aims to spread positivity by sharing these happy moments with friends and family, likening the process to heating slices of pizza with good vibes.

Happy 8: Daily Challenge offers a unique approach to daily positivity through setting and tracking goals, reminiscing about past happy moments, and sharing positive experiences with loved ones. The app's simple interface and concept make it an engaging tool for cultivating a positive mindset.