The document discusses the cost of mobile app development, emphasizing that costs can range between $5,000 to $500,000 depending on various factors including app complexity, hourly rates of developers, and geographical location. It outlines how companies calculate costs based on features and the hourly effort required, while highlighting the importance of design and additional factors like maintenance and infrastructure. Lastly, it suggests cost-effective strategies such as starting with a minimum viable product (MVP) or exploring Software as a Service (SaaS) options.