Automated payment reminder emails that escalate from a friendly nudge to a formal demand letter. You set it up once. Dun runs in the background forever.
Each stage sends a firmer email. You control the timing. Paid invoices stop immediately.
Connects to Gmail, Outlook, or any SMTP. Replies go directly to you. Clients never know it is automated.
Export invoices with your letterhead, line items, tax, and payment methods. Generate custom letters at any tone.
Separate line items for services and expenses. Gross Receipts Tax with independent toggles. Late fees on post-tax totals.
Use QuickBooks or FreshBooks? Drag-drop your existing PDF. Dun attaches it to every reminder email automatically.
Professional demand letter automatically generated and attached. Includes invoice details, payment history, and next steps warning.
Every email logged with timestamps and delivery status. Filter by date or invoice. Export as CSV or JSON.
All data stays on your computer. No account required. No tracking. Your invoices and client data never leave your machine. The app works offline after the one-time license activation.
Enter client, amount, due date. Or drop a PDF you already have. Reference numbers auto-increment. Client names auto-complete from previous invoices.
One-click setup for Gmail, Outlook, or Yahoo. Dun sends from your address so replies come to you and clients see your name.
Dun runs in the background and escalates automatically. Mark invoices paid when money arrives. Dun stops immediately. That is the entire workflow.
Competitors charge $29 to $115 every month for less.
Dun sends them for you, on schedule, with the right tone at the right time. Your clients pay. You never have the awkward conversation.