Invoice & Estimate with Alto is the easy and efficient mobile invoicing solution for freelancers, small business owners, and contractors. With over 27,000 users and a 4.5-star rating on the App Store, our iPhone app lets you send professional invoices and estimates on the go and get paid quickly with popular payment methods. Manage clients and team members directly in the app, track work time, and attach expenses, receipts, photos, and files to your invoices and estimates. We provide all the tools you need to keep your business running smoothly, which means you can do the things you love and spend less time worrying about getting paid.