There are several free platforms available for designing UI/UX for mobile apps. The choice depends on personal preference, familiarity with the tools, and specific design requirements. Here are some popular free platforms for UI/UX mobile app design:
1. Figma: Figma is a widely used cloud-based design tool that offers a free plan. It provides a collaborative environment, real-time collaboration, and powerful design features.
2. Adobe XD: Adobe XD is a user-friendly design and prototyping tool that offers a free starter plan.
3. Sketch: Although Sketch is primarily available for macOS, it offers a free trial version that allows users to explore its features.
4. InVision Studio: InVision Studio is a powerful design and prototyping tool that offers a free plan. It enables designers to create interactive and animated UI/UX designs for mobile apps.
5. Canva: Canva is a web-based design tool that offers a free plan with limited features. While Canva is not specifically designed for mobile app UI/UX, it provides a wide range of pre-designed templates, icons, and graphics that can be customized for app design purposes.
It's worth noting that the free plans of these platforms often have limitations compared to their paid versions. If your project requires more advanced features or collaboration options, you may need to consider upgrading to a paid plan or exploring other paid design tools.