Invoisio is invoicing software for freelancers and small businesses, from quote to paid. Your client signs a quote online, without an account. One click turns it into an invoice in your own branding, with a pay button for iDEAL and credit card (via Stripe, no surcharge). Payment reminders go out automatically. Track hours, mileage and receipts in the iPhone app. Every invoice is also available as a UBL e-invoice. Shopify, WooCommerce and an API are included in Business and Enterprise. Available in Dutch, English, German and Spanish. Plans from €9.99 per month incl. VAT; 30-day free trial, no credit card needed.