Invoicing guides
Straight answers to the questions that come up when you have to send an invoice — what belongs on it, how to number it, what the European e-invoicing rules mean for you — and then exactly how to do it from your phone.
How to make an invoice on iPhone
The three real options — Numbers, Pages, or a dedicated app — what each one costs you in time, and a step-by-step walkthrough of the fastest route.
Read the guide → E-invoicingHow to create a Factur-X invoice
What Factur-X actually is, what France's 2026 and 2027 deadlines require of you, and how to produce a valid Factur-X file from your phone.
Read the guide → E-invoicingHow to create a ZUGFeRD e-invoice
Germany's e-invoicing obligation in plain terms — who must issue from 2027 and 2028 — plus how ZUGFeRD relates to Factur-X and XRechnung.
Read the guide → FreelancingHow to invoice as a freelancer
The nine things every freelance invoice needs, the four that quietly get you paid faster, and how to send it as a PDF in under a minute.
Read the guide → AdminHow to number invoices correctly
Why sequential numbering matters more than people think, which formats hold up at audit time, and what to do when you void one.
Read the guide → Get paidHow to add a payment QR code to an invoice
What to encode, which QR standard to use where, and how a scannable code on the page shortens the gap between sending and being paid.
Read the guide → VAT & taxHow to put multiple VAT rates on one invoice
When one invoice legitimately carries two or three rates, how the breakdown must be presented, and how to lay it out without a spreadsheet.
Read the guide → Multi-businessInvoicing for multiple businesses from one app
Keeping two or more businesses cleanly separated — numbering, logos, customers and reports — without paying for a second subscription.
Read the guide → PrivacyAn invoice app with no account and no internet
Why almost every invoicing app insists on a login, what that means for your client list, and how to invoice with none of it.
Read the guide → SendingHow to email an invoice from your iPhone
Attaching the PDF properly, what to write in the covering email, and the follow-up rhythm that gets slow payers to actually pay.
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