The best replacement for touch id is face unlock.

The best alternatives to touch id are rated as following:
★★★★★  face unlock

Your alternative for touch id is not listed? Suggest!
Speaking about touch id, one probably shouldn't forget about lifeproof nuud.

Other search terms related to touch id and their ratings are:
★★★★★ lifeproof nuud
★★★★ lifeproof case
★★★ app store
★★★ otterbox
You have in mind a companion for touch id and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of touch id in all years. Click on graph for more.
touch id
face unlock