FifthInvoice
Early access · Free to use ·See pricing

Make the invoice. Know when it’s paid.

An invoice generator for freelancers and small companies. Fill in a few details and keep track of which ones are still open.

How it works

From the first line item to paid.

Three steps, no setup beyond your business details. Everything else stays in one list.

  1. 1Create

    Make the invoice

    Pick a saved client and add the lines. Numbering, tax and the PDF are handled for you.

    Download a sample invoice

    INV-2026-014

    Sent
    Brand identity1.800,00 €
    Landing page2.400,00 €
    Design support390,00 €
    Total · IVA 21%5.553,90 €
  2. 2Track

    See what’s open

    Every invoice is draft, sent, viewed, paid or overdue, with the open total at the top.

    Open

    6.033,90 €

    • NorthwindViewed
    • Lumen StudioPaid
    • Café RiberaOverdue
  3. 3Follow up

    Get the summary on Telegram, WhatsApp, Slack

    A short daily message lists what’s unpaid and overdue, so you don’t have to check.

    FifthInvoice · 3 open

    • Café Ribera · 480,00 € · 1 day overdue
    • Lumen Studio · due in 21 days
    • Northwind · due in 27 days

    09:00

Features

Everything you need
to get paid.

Invoices, clients, products and reminders, without an accounting suite around them.

  • Invoicing

    Numbered, taxed and turned into a PDF the moment you save.

  • Clients

    Saved after the first invoice, ready to reuse.

  • Products

    Reusable line items with their own price and tax.

  • Recurring

    Retainers created on a schedule, numbered as usual.

  • Shareable link

    Send a link, not an attachment. Marked viewed when opened.

  • Verifactu

    Registered with the AEAT, with a QR code on every PDF.

  • Telegram digest

    A daily message with what’s unpaid and overdue.

  • Exports

    Every invoice as a PDF, the whole list as CSV.

Who it’s for

For digital freelancers and small companies.

Sized for people who send a handful of invoices a month.

  • Designers

    Logos, landing pages and retainers, on an invoice that doesn’t look like a spreadsheet.

    Brand refresh

    Logo design1.200,00 €
    Monthly retainer800,00 €

  • Developers

    Hourly or fixed-price, one client or ten. A line for each piece of work.

    Sprint 14

    API integration · 12 h1.140,00 €
    Bug fixes · 4 h380,00 €

  • Writers & creators

    Per article, per batch or per month. Duplicate last month and change the dates.

    October

    4 articles960,00 €
    Newsletter issue180,00 €

  • Marketers & consultants

    Retainers, ad spend and one-off audits on one invoice, with tax set per line.

    Q4 campaign

    Retainer · IVA 21%1.500,00 €
    Ad spend · no IVA2.000,00 €

  • Studios & agencies

    One shared list, so whoever is on follow-up this week sees what’s open.

    Shared list

    Open5 invoices
    On follow-upAna

  • Small companies

    Enough invoices to need tracking, not enough to need an accounting suite.

    July

    Invoices sent5
    Total8.420,00 €

Works with what you already use.

Your inbox, your chat app, your storage and the AEAT.

  • AEATAEAT · Verifactu
  • Telegram
  • WhatsApp
  • Slack
  • Gmail
  • Google Drive
  • Claude
  • OpenAI
  • Gemini
  • Dropbox
  • OneDrive
  • Notion

Try it on your next invoice.

It takes a couple of minutes to set up. Free during early access, no card required.

See features
Free during early accessNo card requiredUnlimited invoicesPDF and shareable linkVerifactu-readyExport everything as CSVFree during early accessNo card requiredUnlimited invoicesPDF and shareable linkVerifactu-readyExport everything as CSV

FAQ

Questions, answered.