| NO | Agile model | Waterfall model |
| 1 | Agile model is a combination of iterative and incremental process models | The waterfall model is a sequential design process |
| 2 | Agile uses adaptive approach,no detailed planning,The product is tested very frequently, through the release of iterations | In Waterfall detailed planning is there and Product is tested at end. |
| 3 | If there is Error found it can be fixed in the middle of the project. | Testing done at the end,so if there is error found in requirement or design doc then project has to start from beginning |
| 4 | Testers and developers work together | Testers and developers work separately |
| 5 | At the end of every sprint, user acceptance is performed. | User acceptance is performed at the end of the project |
| 6 | The project is executed in short 2-4 weeks iterations. Iterative approach uses here | The Project is executed in phased where outcome of first phased is input of the next phased |
| 7 | Communication between business dev,coder and tester require, Even Customer interaction is the backbone of Agile | Developer does not involve in requirement planning process. |
| 7 | Suitable for fixed or changing requirements | Suitable for steady requirements |