Plickers on the App Store
https://apps.apple.com/us/app/plickers/id701184049
WEBPlickers Inc. 4.1 • 309 Ratings. Free. Screenshots. Plickers lets you poll your class for free, without the need for student devices. Just give each student a card (a "paper clicker"), and use your iPhone/iPad to scan them to do instant checks-for-understanding, exit tickets, and impromptu polls.
DA: 23 PA: 31 MOZ Rank: 68