Key Takeaways
- A clear discovery phase prevents most budget overruns.
- Agile sprints with demos every 1–2 weeks keep the project on track.
- Plan testing, deployment and support as part of the project, not afterwards.
Successful web apps follow a structured process. Here are the seven stages and what to expect.
The 7 stages
| Stage | Deliverables | Typical duration |
|---|---|---|
| 1. Discovery | Requirements, user stories, scope, estimate | 1–3 weeks |
| 2. UX/UI design | Wireframes, prototype, design system | 2–4 weeks |
| 3. Architecture | Tech stack, data model, integrations, security plan | 1–2 weeks |
| 4. Development | Working features in sprints | 6–20 weeks |
| 5. QA testing | Functional, performance, security tests | Ongoing + 1–2 weeks |
| 6. Deployment | Cloud setup, CI/CD, launch | 1 week |
| 7. Support & growth | Monitoring, fixes, enhancements | Ongoing |
Your role as client
- Assign a product owner
- Join sprint demos
- Provide timely feedback and test data
- Prioritise features ruthlessly
Avoiding delays
- Freeze MVP scope
- Prepare content and integrations early
- Use a shared backlog and tracker
Related: custom software development process and web app cost.
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Explore Web App DevelopmentGet a Free QuoteRelated reading: Custom Software Development Process · Web App Development Cost
Frequently Asked Questions
What are the stages of web app development?
Discovery, UX/UI design, architecture, development, testing, deployment and ongoing support.
How long does web app development take?
An MVP typically takes 2–4 months; larger apps 6–12 months.
What is agile development?
An iterative approach where software is built in short sprints with regular demos and feedback.
Why is discovery important?
It clarifies scope and requirements, preventing rework, delays and cost overruns.
