VisualCode - QR codes for everything
Lydia Watch - Pay for things with one tap on your Apple Watch
Shop'fy Stash - Curated list of tools to help build your Shopify Business
Apple Pay - Apple's secure way to make purchases in stores, apps and on the web.
Link to QR - Free beautiful QR codes
Pay in apps with Venmo - Make purchases in apps using your Venmo account