This decision gets made too early and too emotionally — usually toward "we need an app" before anyone's asked what the app actually needs to do. Each option has a real cost difference, and picking the wrong one means paying for capability you don't need, or shipping something that can't do what you actually need it to.
Website: for being found and understood
If the goal is getting found on search, explaining what you do, and converting visitors into leads or customers, a website is the right — and usually only necessary — answer. It's the cheapest to build, the easiest to update, and the best suited to SEO. Most businesses that think they need an app actually need a good website first.
Web app: for a tool people use, not a story they read
A web app is the right call when people need to log in, manage data, or repeatedly complete a task — a dashboard, a booking system, an internal tool. It runs in the browser, works on any device without an install, and is faster and cheaper to build and update than a native app. Most "we need an app" conversations actually describe a web app.
Native app: for what only a phone can do
A native Android (or iOS) app makes sense when you genuinely need what only a phone can offer — push notifications people expect instantly, offline access, camera or sensor integration, or a level of performance a browser can't match. It's also the most expensive option, and the one with the highest ongoing maintenance cost as OS versions change.
A simple way to decide
- Need to be found on Google and explain your offer? Website.
- Need users to log in and do something repeatedly? Web app.
- Need offline access, push notifications, or hardware features? Native app.
- Not sure yet? Start with the cheapest option that tests the idea, and earn your way up.
The honest version of this advice is almost always: start smaller than you think, validate that people want what you're building, then invest in the more expensive option once that's proven.