The best replacement for segue is segway.

The best alternatives to segue are rated as following:
★★★★★  segway
★★  presentviewcontroller
★★  pushviewcontroller
★  ibaction
★  accessory action

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

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



Google Trends

Scale is based on the average worldwide traffic of segue in all years. Click on graph for more.
segue
segway
presentviewcontroller