InvoiceSherpa is a platform that automate accounts receivable and help user get paid on time, it offer recurring payments, automatic billing, a customer billing portal, merchant services with both ACH & credit card payments.
InvoiceHelix follows up on the small invoices that slip: the hosting fee, the change request, the extra round of revisions. Keep invoicing where you do now and forward the PDF. InvoiceHelix reads the client, amount and due date, then sends up to 4 polite reminders during your client’s business hours. It reads replies too. A promised payment date pauses the reminders and a dispute comes back to you. Built for businesses that invoice businesses. Free forever for 2 invoices a month.
Duefy is an AI invoice-collection tool for freelancers and small businesses. It chases every unpaid invoice for you: timed, escalating reminders over email and SMS, AI reply detection that catches "I'll pay Friday" and pauses the chase, dispute flagging, and a one-click pay page (Stripe). Import invoices from CSV, PDF, a photo, or email, or migrate in minutes from QuickBooks, Xero, FreshBooks, Wave, Zoho, Chaser, or InvoiceSherpa. Plans start at $19/mo with a 14-day free trial.