Based on the users' reviews of the Nos Primavera Sound Porto app, here are three pros and three cons, each within the 15-word limit: Pros: 1. "Intuitive interface makes it easy to browse schedules and set reminders for favorite artists." 2. "Real-time updates on set times and changes keep users informed and on track." 3. "Beautiful design and branding perfectly capture the essence of the Primavera Sound festival." Cons: 1. "Frequent crashes and glitches detract from the overall app experience and user satisfaction." 2. "Lack of notification settings leads to overwhelming notifications and app fatigue." 3. "Insufficient information on festival activities, such as food and drink vendors, is confusing." Please note that these conclusions are based on a snapshot of the app reviews and may not reflect the full breadth of user opinions.