Website vs Web App: What's the Difference?
One tells. The other does. Most businesses need to know which one they actually need.
Short answer
A website mostly presents information. A web app lets people do things — log in, manage data, pay, book, collaborate.
A quick comparison
Website: content, marketing, discovery. Web app: accounts, data, workflows, permissions.
Plenty of products are both: a marketing site on the front, an application behind the login.
Not sure which you need?
That's our problem, not yours. Tell us what you're trying to achieve.