Germany's #1 WhatsApp invoicing software

Create invoices via WhatsApp – in 47 seconds ⚡

50,000+ freelancers create invoices via WhatsApp. No app, no signup needed.

  • By voice message, text or photo – the AI does the rest
  • GoBD & GDPR compliant – ready for the e-invoicing mandate
  • Servers in Frankfurt – no app, start for free
Watch live demo
50,000+ users
47 sec. avg.
No app needed
24/7 available
⚡ Clever Invoice – The fastest invoicing app

Invoice in 60 seconds.
Get paid faster.

Clever Invoice is the invoicing software that lets you create professional e-invoices right from your phone – on the job site, at your client, on the go. No paperwork, no office needed. Just speak, type, or snap a photo.

Voice message
Text message
4.9/5(127+ Reviews)
✓ E-invoice ready
Works instantly · No credit card · 60 sec to your first invoice
App StoreGoogle PlayGoogle Play (CH)
DSGVO
Privacy Compliant
GoBD
Legally Archived
SSL
256-Bit Encrypted
EU Servers
Hosted in Germany
0+
satisfied users
4.8/5 4.9 / 5 Stars

Invoicing made ridiculously simple

From idea to sent invoice in under a minute

Swipe
Step 1

1. Send a message

Just speak or type what you want to bill. No forms, no fields – just natural language.

"Hey, invoice to Smith Inc for 5h consulting at $150/hour"

Step 2

2. AI does the rest

Our AI detects customer, service, quantity and price automatically – and creates a legally compliant invoice.

✓ All required fields ✓ Correct tax ✓ Professional layout

Step 3

3. Send & done

One click – and your invoice is delivered. Via email or WhatsApp. PDF, XRechnung, ZUGFeRD – your choice.

Average time: 47 seconds per invoice

Innovative and unique.
Our top features at a glance:

Invoice via WhatsApp – write invoices simply via WhatsApp
Innovative AI features – speak it, the AI builds your invoice
App for smartphones – perfectly optimized for iPhone, iPad & Android
Invoice editor – create invoices at lightning speed
E-invoice & ZUGFeRD – e-invoices in seconds, not hours
Branding – a design your brand truly deserves
Dashboard – all invoices & payments in the dashboard
Quotes & reminders – create quotes & reminders in a flash
Payments & reminders – get paid faster, fully automatically
Support & help – fast help whenever you need it
Switch service – we migrate your data to Clever Invoice

Free E-Invoicing Tools

All the tools you need for the 2025 e-invoicing requirement

E-Invoice Converter

Convert PDF to XRechnung or ZUGFeRD. Free & no signup required.

Convert now
Free

XRechnung & ZUGFeRD Validator

Free online validator for e-invoices. EN 16931 compliant, KoSIT engine, instant results.

XRechnungZUGFeRDOnline
Validate e-invoice now

ZUGFeRD Generator

Create ZUGFeRD 2.x compliant e-invoices from your data.

Generate now

Why 50,000+ freelancers use Clever Invoice

Zero installation

No new app, no login, no password. You already have WhatsApp – that's all you need. Start instantly.

Anytime, anywhere

At the job site, on the train, at a client meeting – create invoices wherever you are. Even offline.

Just speak

5 minutes typing or 30 seconds speaking? Easy choice. Dictate – done.

47 seconds

That's how fast your next invoice will be ready. Guaranteed.

0 sec
average time per invoice
0%
E-invoice compliant
0€
to start
GDPR
compliant
0/7
available

3 Ways to Invoice

You decide how to create your invoices

Fastest

Voice message

Simply speak into WhatsApp what you want to charge. The AI transcribes and understands you.

"Invoice to Schmidt for three hours consulting at one hundred euros each"
Most flexible

Text message

Write a short message. Natural language - no forms, no fields.

Invoice: Müller GmbH, logo design, €500
Full control

Web Editor

For complex invoices: The classic browser editor with all the details.

Multiple items, custom discounts, attachments
AI Power

The AI understands you

Our AI automatically recognizes all relevant information from your message

Recognize customer

Name, company, automatically match known customers

Extract service

What was done? How much? What time period?

Calculate prices

Hourly rate, quantity, total price automatically

VAT correct

19% or 7%? The AI chooses correctly

"Please create an invoice for Müller GmbH. I worked on their website for five hours last week, hourly rate as always eighty euros."

AI recognizes: Customer = Müller GmbH · Service = Website · Quantity = 5 hrs · Hourly rate = €80/hr
Learn more about AI invoicing →
E-Invoice Obligation 2025

Ready for the e-invoicing obligation

From January 1, 2025, all German companies must be able to receive e-invoices. With Clever Invoice, you're automatically compliant.

What you need to know:

  • 2025Receiving obligation for all B2B companies
  • 2027Sending obligation for companies > €800,000 revenue
  • 2028Sending obligation for all companies
  • ⚠️PDF via email is no longer enough – e-invoice means structured XML format
    XRechnung 3.0.2 & ZUGFeRD 2.x export
    EN 16931 European Standard compliant
    Automatic validation before sending
    GoBD-compliant 10-year archiving
Invoice #2024-042XRechnung ✓
Web design project2.500,00 €
+ 19% VAT475,00 €
Total2.975,00 €
Quality Assurance

Validate your E-Invoice before sending

Avoid rejections: Validate your XRechnung or ZUGFeRD invoice for free. EN 16931 compliant, results in seconds.

EN 16931 Conformity

All European and German rules (BR-DE)

Instant Results

Validation in less than 3 seconds

100% Free

No registration, no hidden costs

✓ XRechnung 3.0 ✓ ZUGFeRD 2.x ✓ KoSIT Engine ✓ No data storage

Invoicing software as individual as your business.

Whether small business, self-employed or SME – Clever Invoice adapts to you. Tap your group.

Integrations

Connect your favorite tools with Clever Invoice. Stripe, PayPal, Klarna, DATEV and many more – fully automated in one application.

Stripe
PayPal
K.
Klarna
DATEV
DATEV
Google Drive
WhatsApp
Telegram
Facebook Messenger

Over 5,000 happy users

"I used to spend 20 minutes per invoice. Now I dictate them in the car – 2 minutes, done. Saves me half a day every month."

Thomas K.
Electrician from Munich

"I was skeptical whether the AI would understand my voice messages. After the first invoice, I was convinced. It just works."

Sarah M.
Freelance Designer

"Sundays doing invoices? Never again. Now I do it on the go – between appointments, while I'm waiting anyway."

Michael B.
IT Consultant
Up to 35% lifetime commission

Earn instead of just paying

Become a Clever Invoice partner and receive up to 35% lifetime commission for every referred customer. Start for free, earn immediately.

Free to joinLifetime commissionMonthly payouts

Frequently Asked Questions

Everything you need to know about Clever Invoice

What is Clever Invoice?
Clever Invoice is a GoBD-compliant invoicing software for freelancers and SMBs in the DACH region. With Clever Invoice, you create e-invoices (XRechnung, ZUGFeRD) via WhatsApp voice message, text, or photo – AI-powered and ready for the 2025 e-invoicing mandate.
How much does Clever Invoice cost?
Clever Invoice is free to use with up to 5 invoices per month. Premium plans start at €9.90/month.
Is Clever Invoice e-invoice compliant?
Yes, Clever Invoice creates e-invoices in XRechnung and ZUGFeRD format, fully compliant with the 2025 e-invoice mandate.
Can I create invoices via WhatsApp?
Yes! With Clever Invoice you can create invoices via voice message, text or photo through WhatsApp. Our AI processes your input automatically.
Is my data secure?
Absolutely. All data is stored GDPR-compliant on EU servers, with SSL encryption and GoBD certification.
Is there a DATEV interface?
Yes, Clever Invoice offers direct DATEV export for seamless collaboration with your tax advisor.
More questions?

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Free Resources

Everything you need to know about the e-invoice mandate

FREE E-BOOK
The Ultimate E-Invoice Guide 2025
Free download

The Ultimate E-Invoice Guide 2025

Everything you need to know about the e-invoice mandate. 50+ pages of expert knowledge.

Understand the e-invoice mandate
XRechnung & ZUGFeRD explained
Step-by-step transition
Checklists & templates

Your data is secure. No spam.

E-Invoice Checklist

Free download

1
Check requirements
2
Select software
3
Start test phase
4
Train employees
5
Go live

Live Webinar: E-Invoice Mandate 2025

Every Wednesday, 2:00 PM

Duration:45 minutes + Q&A

Try it now – free

14 days free. No credit card. No cancellation needed.

Download on the
App Store
Get it on
Google Play
Switzerland
App Store
Switzerland
Google Play

✓ Ready in 2 minutes ✓ Create your first invoice instantly ✓ Cancel anytime

Also on iOS & Android

App StoreGoogle PlayGoogle Play (CH)