敏捷模型：
敏捷模型是开发和测试过程同时进行的软件开发模型。在这个模型中，开发相关流程和测试相关流程是并行的。该模型为开发团队、测试团队和最终用户之间的更多交互提供了便利。
V型：
V-Model 是一种软件开发模型，一旦开发过程完全完成或几乎完成，就会在其中进行测试。在 V-Model 中，开发和测试过程保持相当独立。它不如敏捷模型可靠。
敏捷模型和 V-Model 的区别：
| Agile Model | V-Model |
|---|---|
| It is software development model in which development and testing are concurrent. | It is also software development model but development and testing are not concurrent. |
| It consists of different sprints. | It has two phases Verification and Validation. |
| Testing is easy as compared to V-model. | Testing is hard as compared to Agile model. |
| It consists of total five phases. | It consists of five verification and five validation phases. |
| Communication is easy between end users, development team and testing team. | Development team and testing team don’t interact much with end users. |
| Developers ans testers are dependent on each other. | Developers and testers are independent. |
| It is iterative. | It is not iterative. |
| It is incremental. | It is not incremental. |