sweetgreen for iOS - Order, pay, rewards. It's so clean, you can eat off it.
Vajro - Vajro helps brands create native iOS and android apps for their Shopify stores without any coding.
Pay Finders - Discover and explore local merchants that accept Apple Pay
Sampulator - Make (and record) beats on your keyboard
Pay in apps with Venmo - Make purchases in apps using your Venmo account
HoneyApps - HoneyApps is a dedicated Shopify Apps development company that builds professional solutions for your eCommerce website.