Comparisons · Chase unpaid invoices
Best AI agent to chase unpaid invoices
Find overdue invoices, write a reminder for each one, and list who owes what. Here are 5 agents that can do it, with prices we checked on each vendor's own page.
Quick answer
- 5 agents compared, all with verified prices.
- Free plan available: Claude Cowork, Runable, Lindy, ChatGPT agent (ChatGPT Work).
- We don't rank them. Pick by price, where it runs and the setup steps on each agent's page.
| Agent | What it does | Price (verified) | Free plan | Works on |
|---|---|---|---|---|
| Claude Cowork | Works through your files, documents and desktop apps on long tasks in the background | $20/mo ($17/mo annual)checked Oct 14, 2026 | Yes | macOS, Windows, web |
| BILL AI agents | Agents chase invoices and process bills | $49/user/mochecked Oct 14, 2026 | No | Web |
| Runable | Executes research, websites, decks, invoice follow-up | $20/mochecked Oct 14, 2026 | Yes | Web |
| Lindy | Email triage, scheduling, lead outreach, meeting notes and follow-ups on autopilot | $49.99/mo per user for 5,000 credits; free trial with $50 in credits for 7 dayschecked Oct 14, 2026 | Yes | Web, iMessage |
| ChatGPT agent (ChatGPT Work) | Uses its own virtual computer to research, fill forms, compare prices, build spreadsheets and slides | $20/mo (Pro from $100/mo)checked Oct 14, 2026 | Yes | Web, iOS, Android, macOS, Windows |
Also able to do this, but we haven't confirmed the price yet: Intuit Assist / QuickBooks agents.
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