Kanban vs Waterfall in Technology - What is The Difference?

Last Updated Feb 14, 2025

Waterfall project management follows a linear, sequential approach where each phase depends on the completion of the previous one. This method emphasizes thorough documentation and structured timelines to ensure clear milestones and deliverables. Discover how adopting the Waterfall model can streamline Your project execution by reading the rest of the article.

Table of Comparison

Aspect Waterfall Kanban
Methodology Type Linear, sequential Agile, continuous flow
Planning Comprehensive upfront planning Ongoing, adaptive planning
Flexibility Low - changes costly High - easy to adapt
Workflow Phase-based, fixed stages Visual board with WIP limits
Delivery Single final delivery after all phases Continuous, incremental delivery
Best For Projects with clear, stable requirements Projects needing flexibility and fast feedback
Focus Documentation and processes Task management and flow efficiency
Change Management Resistant to frequent changes Embraces and manages change easily
Metrics Used Project milestones and deliverables Lead time, cycle time, throughput

Introduction to Waterfall and Kanban

Waterfall is a linear and sequential project management methodology where each phase depends on the deliverables of the previous one, commonly used in software development for its structured approach. Kanban is an agile, visual workflow management method emphasizing continuous delivery without overburdening the team, utilizing a board to track task progress. Both methodologies improve project execution but cater to different project types and team dynamics.

Key Principles of the Waterfall Methodology

The Waterfall methodology is based on a linear and sequential approach where each project phase, such as requirements gathering, design, implementation, testing, and maintenance, must be completed before moving to the next. It emphasizes thorough documentation, clear milestones, and fixed project scope, making it well-suited for projects with well-defined requirements. The key principle is its structured progression, which minimizes changes during development but can limit flexibility in adapting to new information or customer feedback.

Core Concepts of Kanban

Kanban is a visual workflow management method centered on continuous delivery without overloading team members, using a board with columns representing different stages of work. It limits work in progress (WIP) to optimize flow and identify bottlenecks through real-time updates and task prioritization. Unlike Waterfall's sequential phases, Kanban emphasizes flexibility and incremental improvement within an ongoing process.

Waterfall vs Kanban: Workflow Structure

Waterfall employs a linear and sequential workflow structure where each phase must be completed before moving to the next, ensuring clear milestones and deadlines. Kanban uses a flexible, continuous workflow with visual boards that prioritize tasks based on work-in-progress limits, allowing for real-time adjustments and continuous delivery. This fundamental difference makes Waterfall ideal for projects with well-defined requirements, while Kanban excels in dynamic environments requiring adaptive task management.

Flexibility and Adaptability Comparison

Waterfall follows a linear, sequential approach with fixed phases, limiting flexibility and making it challenging to adapt to changes once the project is underway. Kanban emphasizes continuous delivery and visual workflow management, allowing teams to easily reprioritize tasks and adapt to evolving project requirements in real-time. The inherent flexibility of Kanban supports incremental improvements, whereas Waterfall's structured model is better suited for projects with clearly defined scopes and minimal expected changes.

Project Visibility and Transparency

Waterfall project management offers limited visibility due to its linear, sequential phases, making it challenging to track progress or identify bottlenecks until milestones are reached. Kanban enhances transparency through its visual task boards and continuous workflow, allowing teams and stakeholders to monitor real-time status, work in progress, and potential delays. This immediate insight into task progression fosters better communication and rapid adjustment compared to Waterfall's rigid structure.

Team Collaboration and Communication

Waterfall relies on structured, sequential phases that limit real-time team collaboration and can slow communication due to its rigid process. Kanban promotes continuous workflow visibility, enabling teams to communicate dynamically and adjust tasks collaboratively as priorities shift. The visual nature of Kanban boards enhances transparency, fostering proactive problem-solving and more efficient team interaction.

Efficiency and Delivery Speed

Waterfall methodology offers structured phases that can enhance efficiency in projects with well-defined requirements, but its linear nature may slow delivery speed due to limited flexibility in adapting to changes. Kanban emphasizes continuous workflow and visual task management, significantly improving delivery speed by allowing teams to prioritize tasks dynamically and address bottlenecks in real-time. Organizations seeking rapid delivery and adaptability often find Kanban more efficient in maintaining steady progress and reducing cycle time compared to Waterfall's rigid step-by-step approach.

Ideal Use Cases for Waterfall and Kanban

Waterfall methodology is ideal for projects with well-defined scope, fixed requirements, and sequential phases such as construction, manufacturing, or system installation where predictability and documentation are critical. Kanban excels in environments requiring continuous delivery and flexibility, such as software maintenance, customer support, and marketing teams managing evolving priorities with a constant workflow. Each approach aligns with specific project dynamics: Waterfall suits linear, deadline-driven tasks, while Kanban supports adaptive, ongoing work with variable scope.

Choosing the Right Method for Your Project

Selecting the right project management method depends on your project's complexity and flexibility requirements. Waterfall suits projects with clear, linear phases and fixed scope, while Kanban excels in environments needing continuous delivery and adaptability. Assess your team's workflow, stakeholder involvement, and frequency of changes to determine whether a structured Waterfall or an iterative Kanban approach best supports your project goals.

Waterfall Infographic

Kanban vs Waterfall in Technology - What is The Difference?


About the author. JK Torgesen is a seasoned author renowned for distilling complex and trending concepts into clear, accessible language for readers of all backgrounds. With years of experience as a writer and educator, Torgesen has developed a reputation for making challenging topics understandable and engaging.

Disclaimer.
The information provided in this document is for general informational purposes only and is not guaranteed to be complete. While we strive to ensure the accuracy of the content, we cannot guarantee that the details mentioned are up-to-date or applicable to all scenarios. Topics about Waterfall are subject to change from time to time.

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