The document discusses the key factors influencing the cost of mobile app development, including platform targeting, development methods, design quality, feature complexity, custom vs platform-based development, and infrastructure needs. It emphasizes that the cost of building an app varies widely based on these elements, with a minimum budget estimate ranging from USD 8,000 to 15,000 for scalable applications. For specific cost inquiries and consultations, contact information for NewGenApps is provided.