There are several ways to install the app on your device, depending on your device. Let's check.
On Desktop, you just can use https://mylistix.app/app/
as you do with every other website. But you can also install the app to your Desktop if you wish.
This browser do not support installing a web app to desktop. Just use the website as usual there.
You have two ways, both are installing the same app with same features. The PlayStore app is just a wrapper around the web version.
You open https://mylistix.app/app/
in Chrome on Android and install with the following menu option in your browser.
You can install the app from the PlayStore at https://play.google.com/store/apps/details?id=app.mylistix.twa
iOS / iPhone
We don't have a native iOS app yet, but no problem. Just open the app in your Safari browser at https://mylistix.app/app/
and install the app with the following option.