Apple Wallet - With Wallet, you can keep your credit, debit, and prepaid cards, store cards, boarding passes, movie tickets, coupons, rewards cards, and more in one place.
Free Invoice Generator - A free invoice generator for startups
WalletPasses - Wallet Passes allows you to use your Apple® Wallet / Passbook® Passes on Android™. Fully Passbook compatible, Saves your battery, Respects your Privacy.
Invoice.to - A simple & beautiful invoice generator with Stripe & Paypal
Stocard - All loyalty cards on your smartphone!
Free-Invoice.co.za - Free Invoice Software | Free online tool that helps small businesses to generate free invoices and manage their contact list. It can be used as an alternative to expensive invoicing software and online invoicing applications