1. Ease of Use: Envoyer is known for its simplicity and user-friendly interface, making it easy for users to deploy applications quickly without the need for extensive configuration. On the other hand, Jenkins is a more complex and robust tool that requires a steeper learning curve and setup process due to its extensive functionality and flexibility.

2. Deployment Workflow: Envoyer streamlines the deployment process by providing a straightforward workflow that includes steps like pushing code changes, running scripts, and managing server configurations seamlessly. In contrast, Jenkins offers a wide range of customization options for creating complex pipelines and workflows, making it suitable for large-scale projects with intricate deployment requirements.

3. Cost: Envoyer is a paid service, with pricing based on the number of servers and team members, while Jenkins is an open-source tool that is free to use. This difference in cost structure may influence the choice between the two tools, depending on the budget and requirements of the project.

4. Scalability: Envoyer is designed to be a scalable solution that can handle deployments for projects of various sizes, from small startups to large enterprises. Jenkins, on the other hand, is also scalable but requires more manual configuration and maintenance as the project scales, making it ideal for teams with dedicated DevOps resources.

5. Integration: Envoyer offers seamless integration with popular version control systems like GitHub, Bitbucket, and GitLab, simplifying the process of deploying code from repositories. Jenkins, on the other hand, boasts a vast array of plugins that enable integration with a wide range of tools and services, providing unparalleled flexibility in building automated pipelines.

6. Monitoring and Reporting: Envoyer includes basic monitoring and reporting features that give users insights into the deployment process and server health. In comparison, Jenkins offers more advanced monitoring capabilities through plugins, allowing for in-depth tracking of deployment metrics and performance statistics.

In Summary, Envoyer emphasizes ease of use, streamlining the deployment process, and adapting pricing, while Jenkins stands out for its scalability, customization options, integration capabilities, and advanced monitoring features.