When comparing Quasar Framework vs Fuse, the Slant community recommends Quasar Framework for most people. In the question“What are the best frameworks for developing cross-platform mobile apps?” Quasar Framework is ranked 4th while Fuse is ranked 10th. The most important reason people chose Quasar Framework is:
Vue 3.x available as a plugin.
Specs
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Pros

Pro Uses Vue.js 2.0
Vue 3.x available as a plugin.
Pro Good documentation and coding samples
Pro Massive suite of well test & optimized widgets
Instant rebuild for SPA, PWA, Cordova or Electron with Material/iOS Themes.
Pro Designed from the outset for desktop & mobile
Pro Can build/test your PWA with/without PWA wrapper
Pro Supports server side rendering (SSR) like Nuxt + SSR/PWA
"Icon genie" builds app icons and splash images for platforms selected.
Pro Ability to add custom server side code when using SSR
Pro Compiles to native platform code
A key difference is that Fuse uses JS exclusively for app logic while producing native code for everything else, including population and manipulation of the UI.
Pro Native performance
Pro OpenGL UI
With the option to use OpenGL based UI components, Fuse is the only of the three platforms that offer a reliable “write once, run everywhere” approach where designers can control responsive layout, look and feel down to points, pixels and percentages, keyframes and easing curves.
Cons
Con Developed by a single person
Statistically, apps being developed by a single person can be gone without warning.
Con Little reuse of web knowledge
Fuse doesn't support Angular or React so there is little reuse of existing web tech knowledge. The team have said they are exploring Angular 2 and then maybe React though.
