MesaMethodAnalyzer has following features. 1. MesaMethodAnalyzer analyses Swift source code. It picks up the method names and creates trees of the relations. 2. The picked-up items are categorised into Class, Internal Method with Exec prefix, External Method with Call prefix, Other Method and Comment. 3. You can suppress the prefix and the comment. 4. You can change the text color and the background color. 5. You can search a word.