// GLOSSARY

What Is a PWA? Definition & Guide

A PWA (Progressive Web App) is a website that behaves like an app: it can be installed on the home screen, works offline and sends notifications, without going through an app store.

How a PWA works

A PWA is built with web technologies (HTML, CSS, JavaScript) but adds a service worker — a script that runs in the background and manages the cache. Thanks to this the PWA loads fast and stays usable even without a connection. Users can "install" it with a tap, without downloading it from the App Store or Google Play.

PWA vs native app

A native app is downloaded from the stores and built for iOS or Android; a PWA is a single web project that runs everywhere. A PWA costs less and updates instantly, but has more limited access to some device features. It is often built with a modern front-end and a responsive design.

When a PWA makes sense

A PWA is ideal when you want an app-like experience without the cost and complexity of two separate native apps: e-commerce, portals, services used often on mobile. In our web development service we build fast, installable PWAs.

Related terms: CacheResponsive DesignBack-end & Front-end

Frequently asked questions

What is the difference between a PWA and a native app?
A PWA is an installable website that runs on any device from a single project; a native app is downloaded from stores and built separately for iOS and Android, with higher costs but full access to phone features.
Does a PWA really work offline?
Yes, within limits. Thanks to the service worker and cache, pages you have already visited and the main resources stay available even without a connection.
Are PWAs on the App Store?
Not necessarily. They install directly from the browser, though today you can also publish them on stores. This avoids commissions and approval delays.
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