The Seenons app is a web app.
That means you don't have to download anything, a web app just works on your internet browser.
You can access the app from any location and from any device. The only thing you need is a good internet connection. In this article you can read which internet browser you can use best.
Tip 💡
To easily find the Seenons web app, you can also 'pin' it to your phone.