Dunn - 2026 Pricing, Features, Reviews & Alternatives

Dunn is a cloud-based, web-based invoicing tool built for freelancers and small business owners who bill clients and process payments through Stripe. It sends invoices with embedded card or bank payment buttons, automatically dispatches pre-due-date reminders under the business owner's name, and applies user-configured late fees on a set schedule when invoices go overdue — all without requiring manual intervention from the owner.

Dunn supports one-off, weekly, and monthly recurring invoices, giving service businesses in sectors such as cleaning, media, food, and construction the flexibility to match their billing cycles. A reply-detection mechanism monitors inbound client responses: when a reply is detected, reminders pause and the message is forwarded to the owner, keeping communication coherent. Every invoice maintains a full email log as an audit record, and a thank-you email is sent to clients automatically upon payment. Late fees are disclosed to clients upfront, reducing the likelihood of disputes at the point of collection.

At the client level, Dunn tracks payment history — recording how frequently each client pays and how many days late — giving owners concrete data to inform pricing or relationship decisions. Payment processing runs entirely through the owner's own Stripe account; card and bank details are handled exclusively by Stripe and are never stored by Dunn. A 30-day money-back guarantee applies to the first payment, and the vendor notes that a single recovered late fee is sufficient to cover a month's subscription cost.