Invoice Simple is a good app, but its cheapest plan allows 3 invoices a month and unlimited invoices costs $21.99 a month. If you want something free, these are the options worth trying.
The best free alternatives to Invoice Simple are QuoteToPaid, Zoho Invoice, Wave, Square Invoices and Invoice Ninja. QuoteToPaid is the only one that needs no account at all: you fill in a template and download a PDF, Word or Excel file, but it can't take card payments for you. Zoho Invoice is free with quotes, recurring invoices and reminders, up to 500 invoices a year. Wave is free with unlimited invoices and estimates plus bookkeeping, and charges 2.9% + 60¢ when a customer pays by card. Square Invoices has no monthly fee and charges 3.3% + 30¢ per card payment. Invoice Ninja is free for up to 5 clients. For comparison, Invoice Simple costs $6.99 a month for 3 invoices, $14.99 for 10 and $21.99 for unlimited, after a 14-day trial.
At a glance
Comparison of free invoice simple alternatives
Tool
Free option
Paid from
Account
Best for
QuoteToPaid
Free, unlimited, no watermark
None (an optional Pro plan is planned)
No account needed
Making a professional invoice, quote or estimate fast, without signing up
Zoho Invoice
Free plan (Zoho calls it forever free)
None; it is free
Account needed
Freelancers and small teams who want a full invoicing system for free
Wave
Starter plan: $0
Pro $19/month or $190/year
Account needed
Small businesses that also want free bookkeeping
Square Invoices
Square Free plan: $0/month
Paid Square plans lower some fees
Square account needed
Businesses that already take payments with Square
Invoice Ninja
Free plan: up to 5 clients
Pro $14/month or $140/year
Account needed (or self-host it)
Freelancers with a few regular clients, or anyone who wants open source
The options in detail
1. QuoteToPaid: Best if you don't want an account
If what you like about Invoice Simple is how quick it is, this is the closest free match: pick a template, fill it in, download. You give up online payments and read receipts in exchange for no sign-up and no invoice limit.
Free option
Free, unlimited, no watermark
Paid
None (an optional Pro plan is planned)
Account
No account needed
Payments
No built-in card payments (add your own payment details)
Good
No account, no trial and no watermark: open it and start typing
Download as PDF, Word or Excel (with working formulas), or copy into Google Docs or Sheets
Ready-made starting lines for 20 trades, plus job calculators
Turn an approved estimate or quote into an invoice in one step
Your documents stay in your own browser
Watch out for
Customers can't pay by card through it; you add your own payment details
No read receipts, payment reminders or e-signatures
Documents are saved in one browser only, with no sync across devices yet
No native mobile app (it works in your phone's browser)
The most complete free option: quotes, recurring invoices, reminders and a client portal at no cost, as long as you stay under 500 invoices a year and don't mind Zoho branding.
Free option
Free plan (Zoho calls it forever free)
Paid
None; it is free
Account
Account needed
Payments
Yes, through supported payment gateways
Good
Quotes, recurring invoices, payment reminders and a client portal, all free
Time tracking, projects and expenses included
Up to 2 users
Watch out for
You need a Zoho account and some setup time
Up to 500 invoices a year
Free documents carry “Powered by Zoho Invoice” branding
If you send more than a few invoices a month from your phone and want customers to pay online, see when an invoice is opened and get reminders sent for you, Invoice Simple's Plus or Premium plan does that well. The free alternatives above trade some of that convenience for no monthly bill.
How we compared
We read each vendor's own pricing page on October 22, 2026 and used those numbers, not third-party reviews, which often show old prices. We looked at the free plan or trial, the cheapest paid plan, whether you need an account, and how customers pay. Prices change, so check the vendor's page before you sign up. We make QuoteToPaid, so we have included it where it genuinely fits and listed its limits as plainly as everyone else's.
Questions people ask
Is Invoice Simple free?+
Invoice Simple has a 14-day free trial. After that the plans are $6.99 a month for up to 3 invoices a month, $14.99 for up to 10 and $21.99 for unlimited invoices.
What is the best free alternative to Invoice Simple?+
For no sign-up at all, QuoteToPaid. For a full free system with quotes, recurring invoices and reminders, Zoho Invoice. For free invoicing plus bookkeeping, Wave.
Can I make an invoice without creating an account?+
Yes. QuoteToPaid lets you fill in a template and download it as PDF, Word or Excel with no account. Most invoice apps, including Invoice Simple, Wave and Zoho Invoice, need you to sign up first.
Which free invoice app lets customers pay by card?+
Square Invoices, Wave, Zoho Invoice and Invoice Ninja all take card payments, with a fee per payment. QuoteToPaid doesn't process payments; you add your own payment details to the invoice.
Sources
Prices and limits from each vendor's own pricing page, checked October 22, 2026: