• Cross-platform invoicing & billing app (Android, Windows, iOS, macOS) incl. Cloud Sync (OneDrive, Google Drive, Dropbox, iCloud, WebDAV) • Quickly create PDF invoices, quotes or estimates & send them to your clients • Create invoices from your WorkingHours data with just one click • Keep track of the invoices and mark them as paid once you get paid • Beautiful invoice templates - choose your preferred layout • Personalize your PDF invoices with your company logo, color & font • E-Invoicing: Support for ZUGFeRD & Factur-X (EN 16931) • Write invoices without frills: No ads, subscription or sign up • Free to use - better with the Pro version* SubTotal does not guarantee to satisfy the legal requirements for invoice creation and storage applicable in your country. * One-time purchase - no subscription. License will be bound to App Store account. App licenses for other platforms need to be purchased separately.