Ubuntu Phone OS vs. Mozilla Firefox OS
Though it's difficult to compare two operating systems that are targeted at different users, Mozilla's Firefox OS still feels half-baked compared to what Ubuntu offers. While Canonical is focused on making a full-fledged mobile OS that goes head-to-head against Android and iOS, Firefox's approach is towards making smartphones more affordable. Initial reviews of Firefox OS have been really underwhelming so it will take about a year for us to see both operating systems in the hands of its end users. Finally, it would be a great idea to wait till both operating systems get enough exposure and that would be somewhere around April 2015 where both Ubuntu and Firefox would have (hopefully) reached enough stability to be used on a broader scale.