Ahmadullah is widely known for his clear and practical approach to Islamic teaching. His messages focus on moral guidance, social responsibility, and the everyday application of religious principles. He often explains complex religious matters in simple language, making them accessible to people from all backgrounds. Alongside his scholarly work, he is actively involved in humanitarian activities through the As-Sunnah Foundation, supporting education, relief efforts, and community welfare. His balanced tone, calm presentation, and focus on kindness and compassion have earned him a large and dedicated following.