A number of fundamental UI design principles are successfully applied by the Rock in Rio festival app to provide a smooth and interesting user experience. Consistency is a fundamental design element that is seen in the navigation arrangement, typographic styles, and recurring usage of dark pink tones. This lessens cognitive strain and enhances usability by assisting users in rapidly becoming accustomed to the interface. (Nielsen Norman Group, 2023).
Visual hierarchy is another essential principle at play. Call-to-action buttons such as “Book Now” and “Download Tickets” are visually prominent through high contrast, size, and placement. This aligns with Shneiderman’s (2016) principle of making important functions easily discoverable. Hierarchical layout also improves scanability, enabling users to digest information quickly without feeling overwhelmed.
The design also follows the principle of visibility of system status by providing clear cues like highlighted events, ticket confirmations, and live maps. This feedback loop ensures that users feel informed and in control at all times (Interaction Design Foundation, 2024).
Additionally, the bottom navigation bar employs recognition over recall through intuitive icons for home, lineup, search, and tickets. These reduce the effort required to interact with the app, particularly for users with varying tech proficiency (Krug, 2014).
Accessibility is supported by strong contrast ratios, readable fonts, and large touch targets. This ensures that users with visual impairments or motor limitations can comfortably use the app, meeting the inclusive design criteria expected of modern mobile platforms.
By combining these UI principles, the Rock in Rio app creates an interface that is not only aesthetically aligned with the festival’s brand but also functional and user-friendly for a diverse audience.
References
Interaction Design Foundation (2024) User Interface Design Basics. Available at: https://www.interaction-design.org/literature/topics/ui-design (Accessed: 12 July 2025).
Krug, S. (2014) Don’t Make Me Think: A Common Sense Approach to Web Usability. 3rd edn. San Francisco: New Riders.
Nielsen Norman Group (2023) 10 Usability Heuristics for User Interface Design. Available at: https://www.nngroup.com/articles/ten-usability-heuristics/ (Accessed: 12 July 2025).
Shneiderman, B. et al. (2016) Designing the User Interface: Strategies for Effective Human-Computer Interaction. 6th edn. Boston: Pearson.
