When comparing Material UI vs Spectre, the Slant community recommends Material UI for most people. In the question“What is the best CSS framework?” Material UI is ranked 8th while Spectre is ranked 11th. The most important reason people chose Material UI is:
Really nice implementation so far
Ranked in these QuestionsQuestion Ranking
Pros
Pro Adheres really well to the material design standard
Really nice implementation so far
Pro Perfect for React projects
Really convenient and easy to use components
Pro Lightweight
Pro Clean
Very clean design compared to bootstrap.
Pro Responsive
Works well on any device.
Pro Mobile ready
Spectre can be used to create mobile websites easily. With all the regular built in elements (buttons, menus, grids etc).
Pro Simple
Contains only the basics, no extra fluff.
Pro Open source
Spectre is used through Github, and is open source.
Cons
Con Active development means API changes are frequent
Might be a problem for large projects, but since active development is a good thing, you should consider this rather mild inconvenience weighed against the benefits.
Con Not actively developed
