Open Peppol invoices like you open a PDF.
UBL Buddy is a native desktop and mobile app that makes it effortless to open, view, and pay Peppol invoices (e-invoices, BIS Billing, UBL/XML files). Just double-click an invoice file and view it instantly — no account, no uploads, no hassle.
- Native performance — Lightning-fast, works offline
- Privacy-first — Your invoices stay on your device, never uploaded
- Zero friction — No account needed, install and go
- Pay in seconds — Scan the QR code and pay directly from your banking app
- macOS (App Store)
- iPhone & iPad (App Store)
- Windows & Android — coming soon
- Website: ublbuddy.app
Used by 1,000+ freelancers and business owners across Europe.