Re:Fitbit is reportedly buying Pebble for around $40M
by rkangel on Thursday December 01, 2016 @11:01AM
(#13080270)
FreeRTOS (while being absolutely fantastic) is 'just' a series of low level primitives allowing task scheduling and so forth.
The Pebble platform is a much richer 'operating system' for pebble apps.
I think the most impressive engineering feat is what they're able to accomplish in their software, given their hardware limitations.