Website, web app or mobile app: which one does your business need?

"We need an app" is one of the most common sentences we hear from business owners. Sometimes they do need a mobile app. Often what they need is a better website, or a web app their team can use from any browser.

The three sound similar, and the words get mixed up even by people in the software industry. This guide explains each one in plain language, shows where each fits, and gives you five questions to decide what to build first.

The short answer

• A website tells people about your business.
• A web app lets people get work done in a browser.
• A mobile app lives on the phone and is used often, on the move.

Most businesses need a website. Many benefit from a web app. Fewer truly need a mobile app on day one.

Website: your shop window

A website is mainly for reading. It explains who you are, what you sell and how to contact you. Visitors browse pages, read articles and fill in an enquiry form.

Good for: being found on Google, building trust, sharing product and service details, collecting enquiries.

Examples: a company website, a product catalogue, a blog, a landing page for an ad campaign.

A good website loads fast, works well on phones and is easy to update without calling a developer.

Web app: work done in the browser

A web app is software that runs in the browser. Users log in and do things: enter data, approve requests, track orders, see reports. There is nothing to install. It works on a laptop, a tablet or a phone.

Good for: internal business tools, customer portals, dashboards, booking systems, anything with logins and data.

Examples: an ERP, a training platform, a dealer ordering portal, an online store's admin panel, a school's fee and attendance system.

Updates are simple: change it once on the server and every user gets the new version on their next visit.

Mobile app: on the phone, used every day

A mobile app is installed from the Google Play Store or Apple App Store. It sits on the home screen, can send push notifications, and can use the phone's camera, GPS and other features more deeply. It can also work offline.

Good for: products customers open often, field staff who work on the move, features that depend on the phone itself.

Examples: a delivery partner app, a field sales app with GPS check-in, a loyalty app, a food ordering app.

The trade-off: you usually build for both Android and iPhone, updates go through app store review, and users must download and keep it installed.

Side by side

The middle path: progressive web apps

A progressive web app (PWA) is a web app that can be added to the phone's home screen, open full screen and work partly offline. For many internal tools and customer portals it gives most of the app experience without app store releases. It is worth asking about before you commit to a full mobile app.

Five questions to decide

1. Who is it for? Customers you want to attract need a website. Staff or customers doing tasks need a web app.
2. How often will they use it? Daily or many times a day points towards a mobile app. Weekly or occasionally, a web app is enough.
3. Will they be away from a desk? Field staff, drivers and technicians benefit from a mobile app, especially with offline use.
4. Does it need the phone's features? Camera scanning, GPS tracking or push reminders favour a mobile app.
5. Must people find it on Google? Then the public part should be a website, whatever else you build.

Common mistakes

• Building a mobile app when a website is the real need. If people cannot find you online, an app nobody downloads will not help.
• Making staff install an app for an occasional task. A web app they open in the browser is simpler to roll out and support.
• Planning everything at once. Start with the piece that solves today's problem, then add the next.

A typical path

Many Indian businesses grow in the same order: a good website first, then a web app for operations or customers, and a mobile app later for the users who need it most, such as field teams or repeat customers. Each step builds on the one before.

Not sure which one your idea needs? Tell us what you want people to do with it, and our team will suggest the simplest thing that works.