Ah, right — try wefwef.app, and be sure to install to your Home Screen to get the full benefits of the PWA capabilities (check the settings tab, or if on iOS, tap the “share” icon in safari and select that option).
Updated my original comment with the link as well.
~~They just pushed an update that might fix that for you. According to the release notes —~~
~~Maybe that was causing your issue…I dk~~
Nevermind, it seems to be an issue connecting to lemmy.world. The 0.9.1 release notes address this.