Building an app like TikTok requires careful planning and execution. Start by researching your target audience and analyzing competitors to identify unique features. Focus on creating an engaging user interface (UI) that allows for easy video creation and sharing. Key functionalities should include user profiles, video editing tools, filters, effects, and a robust algorithm for personalized content recommendations. Implement social features like comments, likes, and shares to foster community engagement. Ensure seamless integration with social media platforms for easy sharing. Lastly, prioritize security and data privacy. For expert guidance in app development, consult Dev Technosys to bring your vision to life.