Mobile App Video Demo Creation

I'm looking for a professional to create a high-quality video demo for my iPhone app, Nudge Monster, a birthday reminder app with unique features. The video should showcase these features in an engaging, Apple-style animation—clean, elegant, and optimized for mobile viewing. While maintaining a classy tone, the video should also reflect the app's fun personality. Experience in creating app demos with voiceovers or background music is ideal. The final output should be ready for popular social media platforms.