Mahendra A. Sharma, CTO and co-founder of Nichetech, discusses app monetization strategies essential for reaching both free and paid users, emphasizing the importance of customer awareness and engagement. Key methods include mobile advertising, in-app purchases, and maintaining up-to-date apps while utilizing feedback and cross-platform publishing. Secrets to successful monetization are shared, such as optimizing ad placements, leveraging social media for user acquisition, and focusing on user retention through notifications and regular updates.