Guides
Invoicing guides for freelancers and contractors
Every guide answers one question people actually type into a search box, and shows the part of Invoice Pro that does the fiddly bit. No sign-up, no email wall.
Getting one out
Writing the invoice
The mechanics, from the fields a valid invoice has to carry to getting a finished PDF off a phone.
How to make an invoice on iPhoneMake an invoice on your iPhone in six steps: line items, sales tax, totals and a shareable PDF. Plus what Apple Numbers makes you retype every month.Read the guide →
What to include on an invoiceEvery field a valid invoice needs: invoice number, due date, tax ID, itemised lines and payment details, plus why each one is there.Read the guide →
How to write an invoice for freelance workWrite a freelance invoice that survives a query weeks later: describing the work, hourly versus fixed-fee lines, deposits, and a client record you reuse.Read the guide →
Getting it right
Tax, quotes and contracts
The parts that go wrong quietly and surface months later: the wrong tax on a mixed job, a quote a client thought was an estimate, a stage nobody agreed.
How to add sales tax to an invoice, line by lineAdd sales tax to an invoice line by line, with a different rate per item and each rate shown separately on the PDF. Worked example on a $1,640 invoice.Read the guide →
The difference between an estimate, a quote and an invoiceAn estimate is an informed guess, a quote is a fixed price a client can accept, an invoice demands payment for finished work. What changes between them.Read the guide →
How to invoice as a contractor on a job that runs for weeksHow to invoice as a contractor: quote the job, split materials from labour, bill in stages, handle retention, and tie every invoice to the contract dates.Read the guide →
Getting paid
Chasing and recording payment
What to do after the invoice is sent, including the part payment that arrives without explanation.
How to get clients to pay invoices on timeClear payment terms, invoicing the day you finish, and a chase sequence that starts before the due date. How to get clients to pay invoices on time.Read the guide →
How to write a receipt for a partial paymentA partial payment receipt must state the amount received, the date, the method, the invoice it paid and the balance left. Wording and a worked example.Read the guide →
Invoice Pro is free on the App Store, with unlimited invoices and estimates and 37 templates. It runs with no internet connection.
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