When comparing Tizen vs KaiOS, the Slant community recommends KaiOS for most people. In the question“What is the best mobile operating system?” KaiOS is ranked 7th while Tizen is ranked 8th. The most important reason people chose KaiOS is:
It allows to build feature rich but still cheap phones.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Open source
Some parts of the OS are open source.
Pro Fast
Pro HTML5-based
Pro Low hardware requirements
It allows to build feature rich but still cheap phones.
Pro Simple
It is very simple
Cons
Con Based on EFL libraries
A perfect experience of a developer working with EFL: https://what.thedailywtf.com/topic/15001/enlightened
Con Worst Code Base
Amihai Neiderman, a Kaspersky Labs researcher said, “It may be the worst code I’ve ever seen, Everything you can do wrong there, they do it. You can see that nobody with any understanding of security looked at this code or wrote it.”
Con Lack of apps
Con Aesthetically unappealing
Con Lack of security
With the recent discoveries of a number of security flaws, tizen is no longer a secure OS that it advertises.
Con Based on the abandoned Firefox OS, Hence same bugs and problems as with firefox OS
Con Data-mining Possibility
It is Proprietary hence, the corporation can just add data mininers with anyone noticing.
Con Proprietary
Not open source hence the bug patching can take long time.