Actually, there is no best software development methodology. Each of them is good in its own way and can be applied to specific projects. So when choosing the project management methodology, you should consider project complexity, scope, and your particular business requirements. For our part, we would say that Waterfall is best suited for small projects. At the same time, if you build a big project with a certain degree of flexibility, Scrum is the most popular option for the application development process.