The best replacement for tabbar is tabnavigator flex.

The best alternatives to tabbar are rated as following:
★★★★★  tabnavigator flex
★★★★★  tabnavigator

Your alternative for tabbar is not listed? Suggest!
Speaking about tabbar, one probably shouldn't forget about uitabbarcontroller.

Other search terms related to tabbar and their ratings are:
★★★★★ uitabbarcontroller
You have in mind a companion for tabbar and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of tabbar in all years. Click on graph for more.
tabbar
tabnavigator flex
tabnavigator