Nano Invoice - Rechnung App

Say goodbye to Excel spreadsheets, expensive accounting software, and subscription traps. Nano Invoice is your fastest tool for professional invoices – directly from your smartphone, completely offline, no account, no cloud, no registration.

── WHY NANO INVOICE? ──

✔ Create and send invoices in under 60 seconds
✔ No subscription, no account, no cloud – your data stays on your device
✔ Perfect for freelancers and small businesses according to § 19 UStG (German VAT Act)
✔ Professional PDF – with logo, bank details, and tax ID number

── FEATURES ──

📄 PDF INVOICES
Professional invoices as PDFs – with logo, bank details, tax ID number, and tax office information. Generated fully automatically, no template needed.

📧 SEND DIRECTLY VIA EMAIL
Invoice ready? Here's a tip – send the PDF as an attachment to your customer. Automatically CC you.

🏢 MULTIPLE SENDER COMPANIES
A plus! Work under different names or with multiple companies. Switch senders with a single tap.

👥 CUSTOMER MANAGEMENT
Full control! Save customers with their address, email, and phone number – simply select them from the list next time.

📋 DESCRIPTION TEMPLATES
Speed ​​it up! Offer the same service repeatedly? Save templates and insert them with a single tap.

📊 HISTORY & STATISTICS
All invoices at a glance. Filter: Open · Paid · Overdue - Editable. Sales overview included.

⏰ OVERDUTY CHECK
Open invoices are automatically marked as overdue – no manual recalculation required.

🔢 AUTOMATIC INVOICE NUMBERING
Format 2026-001 – resets automatically each year.

💶 TAX & PAYMENT TERMS
Selectable tax rate. Payment terms: 7, 10, 14, or 30 days – adjustable per invoice.

🔒 100% OFFLINE & DATA PROTECTION
No cloud, no account, no ads. All data stays on your device.

── PERFECT FOR ──
Freelancers · Consultants · Tradespeople · Photographers · Copywriters · IT Service Providers · Small Businesses

Less bureaucracy, more time for what matters – get Nano Invoice and create your first invoice in under a minute.