← All free invoicing software for freelancers rankings

Wave vs Invoice Ninja: which one does AI recommend?

We asked ChatGPT, Gemini and Perplexity 10 questions buyers ask about free invoicing software for freelancers — 30 answers in total — and counted who got named. Wave is named in 21 of 30 answers (70%); Invoice Ninja in 19 (63%).

Wave

70%

named in 21 of 30 answers

ChatGPT: named in 100% of answers

Gemini: named in 10% of answers

Perplexity: named in 100% of answers

Invoice Ninja

63%

named in 19 of 30 answers

How they rank against everyone else

Zoho Invoice

80%

Wave

70%

Invoice Ninja

63%

Square Invoices

43%

PayPal Invoicing

23%

Paymo

20%

Stripe Invoicing

17%

Akaunting

10%

Where does your product land?

Same 10 questions, your product, about a minute. No account.

Counts are mentions in AI answers, not endorsements, measured 2026-09-20. Nobody pays to appear.