Get the appNow available on iOS and AndroidInvoices that get
Invoices that get
paid faster.
Create, send, and track professional invoices and estimates from your phone. Know the moment a client opens your invoice — and get paid without the back-and-forth.


Send in seconds
Build invoices and estimates from a clean, mobile-first form.
Live read receipts
See the moment a client views your invoice — no more guessing.
Track payment status
Draft → Sent → Viewed → Paid. Always know where you stand.
Estimates → Invoices
Convert an approved estimate to an invoice with one tap.
Start sending invoices today.
Download Invoiceflint on iPhone or Android and send your first invoice in under a minute.