What prototyping tools do UX designers at Apple use?

However, it's common in the UX design industry for professionals, including those at Apple, to use a variety of prototyping tools based on individual preferences and project requirements. Some commonly used prototyping tools in the UX design community include:

1. Sketch: Sketch is a popular design tool that allows designers to create high-fidelity interfaces and prototypes. It integrates well with various plugins and has been widely adopted in the design community.

2. Figma: Figma is a collaborative design tool that enables real-time collaboration and prototyping. Designers can work together on the same project simultaneously, making it an excellent choice for teams.

3. Adobe XD: Adobe XD is part of the Adobe Creative Cloud suite and offers features for designing, prototyping, and sharing user experiences. It's known for its seamless integration with other Adobe products.

4. InVision: InVision is a prototyping tool that allows designers to create interactive prototypes and share them with stakeholders for feedback. It integrates with other design tools and offers collaboration features.

5. Axure RP: Axure RP is a powerful tool for creating interactive prototypes and wireframes. It is often used for more complex interactions and scenarios.

6. Origami Studio (by Facebook): Origami Studio is a prototyping tool developed by Facebook. It is known for its ability to create complex and interactive prototypes, especially for mobile applications.

Remember that the choice of prototyping tool can vary based on the specific needs of a project, team collaboration preferences, and individual designer workflows. UX designers often use a combination of tools to cover different aspects of the design process, from initial ideation to high-fidelity prototyping and user testing. Additionally, the tools and practices used within the industry can evolve, so it's a good idea to check for the latest trends and updates.