1. A home-screen icon beats a bookmark
The single biggest driver of repeat usage is presence. A bookmark is invisible; an icon on the home screen is seen dozens of times a day. For any product people are meant to return to — a tracker, a dashboard, a store, a community — that constant visibility is the difference between "I'll check it later" and a daily habit.
2. Push notifications you can't send from a tab
An installed app can send push notifications — a new order, a restock, a reply, a reminder, a content drop. This is the highest-leverage re-engagement channel there is, and it's simply not available to a website left in a browser. For a SaaS it's activation and retention; for a store it's sales; for a community it's daily returns.
3. Store discovery and trust
Being on the Google Play Store means people can search for you, read reviews and install in one tap. A store listing carries a level of trust a raw URL doesn't — ratings, an install count, a verified developer. For consumer products especially, "is there an app?" is a real objection, and a Play Store listing answers it.
4. A full-screen, native feel
Inside an app shell your site runs full screen — no address bar, no browser chrome, a proper splash and icon. It feels like software, not a webpage, which raises perceived quality and keeps users in your experience instead of one tap from their browser's other tabs.
5. One build, every platform
The modern reason it's finally worth it: you no longer maintain a separate native codebase. Your website is the app. The same URL becomes an Android app, desktop installers for Windows, macOS and Linux, and listings on Amazon, Samsung and the Microsoft Store — without forking your product. The cost-benefit math changed because the cost collapsed.
Website vs SaaS: where it pays most
A SaaS gains the most: retention and activation are everything, and push plus a home-screen icon move both. A store or marketplace gains through notifications and trust. A content site, course or community gains through daily-return habits. A purely static brochure page gains the least — if you rarely update it and no one returns, an app is lower priority. The rule of thumb: if repeat usage matters to your model, an app is one of the cheapest growth levers you can pull.
When it's not worth it (yet)
If you haven't validated that people come back, focus on the product first — an app amplifies retention, it doesn't create it. And if your "site" is a single landing page with no real functionality, Google Play's minimum-functionality policy may reject it. Build the habit, then package it. When you're ready, see how to publish your website on the Play Store.