Seven ways to handle your invoices.
One sentence each on who the tool is really for, including where Invio is not the answer.
Xero
Full accounting software for businesses that need bank reconciliation, GST and BAS, payroll and reporting.
Solo by MYOB
A mobile app for sole operators to manage admin, banking and payments.
Zoho Invoice
Free online invoicing for small businesses that can use Zoho branding.
Square Invoices
Invoicing tied to Square payments and its card-processing tools.
Compare the seven, with sources
Checked against each product's own pages on 23 September 2026. Where a cell says not verified, the page checked did not establish it.
Xero
Solo by MYOB
Rounded
Invoices included
Customisable quotes and invoices are listed; a numeric invoice limit is not verified on this page.
Not verifiedSourceHnry
Price
1% + GST from payments into a Hnry Account, capped at A$1,500 + GST per year. Payments under A$50 have an A$0.50 + GST minimum fee.
SourceZoho Invoice
Square Invoices
Invio
Tax and GST
GST-ready invoices and the GST collected for each BAS quarter in Reports; no BAS boxes and no BAS lodgement.
SourceInvio's four plans
Starter - free
5 invoices a month and unlimited quotes.
Pro - A$19/mo
Unlimited invoices and automated reminders.
Growth - A$59/mo
100 voice invoices a month (Pro has 10) and Projects Pro on top of Pro.
Care - from A$79/mo
For NDIS providers with a team. 3 workers included. Everything in Growth, plus Shift log, Roster, Worker app on the phone, Progress notes and incidents, Worker checks, SCHADS award hours, Claims pack, Service agreements, Xero sync and Projects Pro.
Free invoicing software for Australian sole traders
The Starter plan is free for good: 5 invoices a month, unlimited quotes, your ABN on every invoice and a GST-ready layout, with no credit card and no trial clock. If you need unlimited invoices or reminders on every invoice, the paid plans above add them. For the other free options and where each one caps out, read the 3 best free invoicing software options in Australia.
Why the ABN on the invoice is not optional
If you supply more than A$75 (excluding GST) of goods or services to a business and do not quote an ABN, the payer is generally required to withhold 47% of the payment and send it to the ATO. That is the difference between getting paid in full and getting paid 53 cents in the dollar. See the full ABN invoicing guide for the withholding rules, or the tax invoice requirements guide for the full ATO checklist.
What kind of tool do you need?
Invoicing first
Quotes, GST-ready invoices and payment status, with tax handled separately.
Full accounting
Choose accounting software if bank reconciliation, payroll or BAS lodgement belongs in the same system.
Managed tax
Choose an accounting service if you want someone else to manage your tax obligations.