Beta — Free until April 15, 2026

Invoicing that
works as hard
as you do

Create professional invoices in seconds, track payments automatically, manage clients — all from one clean dashboard.

No credit card required 256-bit encryption GDPR compliant 🇪🇸 Spain-ready · Ley Antifraude compliant
app.billzen.app/dashboard
B
BillZen
Jan 2026
Outstanding
€6,840
4 sent
Overdue
€1,210
1 invoice
This month
€4,280
received
Net total
€18,400
12 paid
Recent
A-2026-0042
Acme Design
€2,420 Sent
A-2026-0041
Tech Corp
€1,210 Overdue
A-2026-0040
Studio Verde
€850 Paid
app.billzen.app/invoices/A-2026-0042
B
BillZen
Send
PDF
Invoice
A-2026-0042
Issued 14 Jan 2026
Sent
Due 28 Jan 2026
From
Carlos López
Madrid, Spain
Bill To
Acme Design
CIF: B-12345678
Description
Qty
Total
Web Development
1
€1,200
UI/UX Consulting
4h
€800
Subtotal€2,000.00
VAT 21%€420.00
Total€2,420.00
Hash-chained · Ley Antifraude compliant
Schedule Send
March 2026
MTWTFSS
123 45678910 11121314 15 1617
09:00
AM
Confirm
Payment received
0
Invoices Created
0
Revenue Tracked
0
Customer Satisfaction
0
Avg Invoice Time

Sound familiar?

Every hour spent on invoicing is an hour not spent on work you love.

Without BillZen

  • Copy-pasting data between spreadsheets and Word docs
  • Manually chasing late payments via email
  • Losing track of who owes you what
  • Scrambling at tax time to find old invoices
  • Unprofessional invoices that slow down payment

With BillZen

  • Create invoice in under 60 seconds — client data auto-fills
  • Automatic payment reminders keep cash flowing
  • Real-time dashboard shows outstanding & overdue at a glance
  • All invoices searchable & exportable anytime
  • Polished PDF invoices clients actually trust

Everything you need

No complexity. No bloat. Just the tools that matter for getting paid.

Fast Invoice Creation

Create and send professional invoices in under 60 seconds. Client data auto-populates.

Revenue Dashboard

Real-time overview of paid, outstanding and overdue amounts across all clients.

Automatic Reminders

Schedule payment reminders so you never have to chase a client manually again.

Client Management

Store client details, view per-client history, and track outstanding balances.

PDF & Email Delivery

Generate clean, professional PDF invoices and send them directly from the app.

Recurring Invoices

Set up recurring invoices for retainer clients — generate and send automatically.

How it works

From signup to paid invoice in minutes.

1

Add your clients

Set up your client list once. Name, address, contact details, preferred currency — all saved for instant use.

New Client
Company Name
Acme Corporation
Email
billing@acme.com
Currency
EUR €
Save Client
Create Invoice
AC
Acme Corporation
billing@acme.com
Web dev — 40h × €85 €3,400
Design review €600
Total €4,000
2

Create the invoice

Select client, add line items, set due date. Everything calculates automatically. Done in 60 seconds.

3

Send it instantly

Send a PDF invoice via email with one click. Your client gets a clean, professional document that builds trust.

Invoice #2024-0042
To: billing@acme.com
Sent
Hi Acme team,

Please find attached invoice #2024-0042 for €4,000 due March 15, 2026.

Best regards, BillZen
Invoice_2024-0042.pdf
Reminder Schedule
7 days before due — gentle reminder
auto
1 day before due — final reminder
auto
3 days overdue — payment notice
auto
4

Reminders run themselves

Automated payment reminders go out before and after the due date. You focus on work, not chasing.

5

Get paid, track everything

Mark payments as received and watch your dashboard light up. Every euro is accounted for.

€8.2k
Paid
€4k
Pending
€0
Overdue
67%
Collected this month

What our users say

"I used to spend 2 hours a week on invoicing. BillZen cut that down to 10 minutes. The dashboard alone is worth it."

MT
Marko T.
Freelance Developer

"Finally, an invoicing tool that doesn't feel like accounting software from 2010. Clean, fast, does exactly what I need."

SK
Sara K.
UX Designer

"The automatic reminders are a game changer. Late payments dropped 70% in my first month. I actually recommend this to everyone."

JP
Jovan P.
Marketing Consultant

Frequently asked questions

No credit card required. Sign up for free and explore the platform. You only need payment details when you choose a paid plan.
Yes, absolutely. Cancel your subscription at any time directly from your account settings. No cancellation fees, no questions asked.
BillZen supports all major currencies including EUR, USD, GBP, CHF, and more. You can invoice in different currencies per client.
Yes. We use industry-standard encryption, regular backups, and are GDPR compliant. Your financial data is only yours — we never sell or share it.
Yes. Upgrade or downgrade at any time. Changes take effect at your next billing cycle and you'll only be charged the difference on upgrades.

Simple, transparent pricing

No hidden fees. 14-day free trial on all plans. Cancel anytime.

Individual Lite
€6 /mo
Perfect for side projects
  • Unlimited invoices
  • 1 Individual profile
  • Up to 3 clients
  • PDF + QR codes
  • Multi-currency support
  • Public invoice links
  • Payment tracking
  • Export CSV/Excel
  • Basic reporting
  • 🇪🇸 Ley Antifraude compliant
  • No custom logo
  • Max 3 clients only
  • No company profiles
  • Recurring invoices Soon
Start 14-Day Trial

No credit card required

⭐ MOST POPULAR
Individual Pro
€10 /mo
Everything you need as a freelancer
  • Unlimited invoices
  • 1 Individual profile
  • Unlimited clients
  • Everything in Lite
  • Multi-currency support
  • Custom invoice notes & terms
  • Export CSV/Excel
  • 🇪🇸 Ley Antifraude compliant
  • Advanced reporting Soon
  • Recurring invoices Soon
  • No custom logo
  • No company profiles
Start 14-Day Trial

No credit card required

Business
€18 /mo
For companies and growing businesses
  • Unlimited invoices
  • Up to 5 issuer profiles
  • Individual + Company (SL, SA…)
  • Unlimited clients
  • Everything in Pro
  • Switch profile per invoice
  • Custom logo on invoices
  • Multi-currency support
  • Advanced reporting
  • Export CSV/Excel
  • 🇪🇸 Ley Antifraude compliant
  • Single user only
  • Recurring invoices Soon
Start 14-Day Trial

No credit card required

All plans include

Spain compliant PDF + XML generation QR codes Email notifications Secure & encrypted Cancel anytime

Secure payments via Stripe · BillZen watermark appears on all PDFs

Start getting paid faster today

Join hundreds of freelancers and small businesses who've taken control of their invoicing.