Guides and comparisons
Short, plain-English answers about invoicing and getting paid on time, checked against official sources, plus fair comparisons with other invoicing tools.
Guides
- How to chase an unpaid invoice politelyA polite, step-by-step way to chase an unpaid invoice in the UK or US: when to send reminders, what to say, and what to do if the customer still won’t pay.
- Payment reminder email templatesCopy-ready, polite payment reminder emails for before the due date, on the due date and after it is overdue, with subject lines and tips on timing.
- What a UK VAT invoice must includeChecklist of what a full UK VAT invoice must show, when a simplified invoice is allowed, the 30-day deadline, and what to show if not VAT registered.
- US invoice requirements and sales tax basicsWhat a US invoice should include, how sales tax works on invoices, which records the IRS expects you to keep, and when clients may ask you for a Form W-9.
Comparisons
- PaidKind vs QuickBooksPaidKind vs QuickBooks Online: full accounting software versus simple invoicing and polite payment chasing, and how to use them together.
- PaidKind vs WavePaidKind vs Wave: free invoicing and bookkeeping with card payments versus a low-cost plan built around invoicing and polite payment reminders.
- PaidKind vs Invoice SimplePaidKind vs Invoice Simple: monthly invoice limits, payment reminders, card payments and price compared, so you can pick the invoicing app that fits.