When launching a custom mobile app, the initial choice between prioritizing iOS or Android development is not merely technical—it's a critical business strategy decision. Each platform offers distinct advantages regarding global market share, user demographics, and monetization potential. Getting this platform selection right from the start is essential for maximizing your Return on Investment (ROI), minimizing development complexity, and securing a swift Time to Market (TTM). This analysis breaks down the key factors to help your business make an informed decision based on your target audience and financial goals.