GreXXL dermdoc you can use it as a PWA app with an extension (https://discuss.flarum.org/d/23219-progressive-web-app-pwa-and-push-notifications/) that also supports push notifications (on Android). There is no dedicated app. Remark: Discourse Push notifications also only work on their hosted platform afaik.
girefko dermdoc Once you install the PWA extension, go to https://www.pwabuilder.com/ and create an APP. Very simple! You can also install the Mobil Tab extension to make it feel more like an APP https://discuss.flarum.org/d/28216-mobile-tab