Now that you cannot install apps from the Web site, it is almost impossible to install beta apps.
There is no developer dashboard in the IQ app, and beta apps do not show up when you select all your own apps.
As a result, it's always been hard to install beta apps using the IQ app. The way I found to do this was to get the app URL from the Web site, and then open it on my phone. This would open the app in the IQ store to allow installation. But now apps.garmin.com has effectively gone, this route is even harder.
You now access beta apps from the new developer dashboard at apps-developer.garmin.com, but opening a link to an app using this site does not open the app in the IQ app as the IQ app manifest only includes the domains apps.garmin.com apps-test.garmin.com apps.garmin.cn Therefore, you have to use the old apps.garmin.com URL which is the same as the apps-developer.garmin.com with the alternate domain. Note, that when you do this, there is no marker to indicate it's a beta app.
The best solution here is to have some kind of developer dashboard in the IQ app. Next best would be to have your beta apps show up when you select all apps for yourself. And lastly, apps-developer.garmin.com should be added to the IQ app manifest assetlinks.json so the store can open these new links.
Unless there is a better way I don't know of!
Hope this helps people in the short term.
