Planning to build a mobile app in 2025? Whether you're a startup or an established business, understanding the true cost of app development in Australia is essential for smart decision-making. From app complexity and platform choice (iOS, Android, or both) to design quality and backend infrastructure, various factors influence the overall budget. In Australia, development costs can range anywhere from AUD $20,000 for a basic app to over $150,000 for feature-rich, scalable solutions.