Nudge
Read receipts for your invoices

Know who opened your invoice. And who hasn't paid.

Give every client a private portal with only their own invoices. No more emailing PDFs into the void.

Try the live demoView the code
  • See the moment a client opens an invoice
  • Each client sees only their own invoices
  • Ownership checked in every database query

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Invoicing for freelancers and their clients.

Demo accounts

One freelancer, two clients. Sign in as Client A and try to open Client B's invoice — the app should refuse.

No sign-up needed. Demo data is shared by every visitor, so you may see changes others have made.