" Check-in Offers reward customers with a special offer when they “check-in” to your business on Yelp. By using the check-in feature on the Yelp mobile application, your customers broadcast to their friends on Yelp that they’re at your business. " Check-in Offers appear on Yelp’s Mobile Apps on your business listing, as well as in search results related to your business. " -Yelp