Invoicing software · #8 of 18 · ↑ Stripe Invoicing · ↓ PayPal Invoicing
Invoice Ninja
Invoice Ninja ranks #8 of 18 in invoicing software in the week of 21 September 2026, with a visibility score of 14 across ChatGPT, Claude, Gemini and Perplexity. It was named in 23% of the answers we sampled.
Invoice Ninja lands a 14 out of 100 overall in our Invoicing software tracking, with Claude the most generous (23) and Gemini the toughest grader (8). It shows up in 16 of 70 answers across assistants, doing best on the free and open-source angle: named in all 4 answers for best free invoicing tools and all 3 for best open-source or self-hosted invoicing software. It's weaker elsewhere, appearing in just 1 of 4 answers each for freelancer-focused and late-payment-chasing questions, and it's absent entirely from questions about multi-currency support, billable hours, card payments, contractor tools, and accounting-software integrations.
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Who's talking about you
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 10 | 15% of answers | #4.0 |
| Claude | 23 | 40% of answers | #5.9 |
| Gemini | 8 | 10% of answers | #3.0 |
| Perplexity | 14 | 20% of answers | #4.0 |
Questions you win
| question | named in | best spot |
|---|---|---|
| What's the best open-source or self-hosted invoicing software? | 3 of 3 | #1 |
| What are the best free invoicing tools? | 4 of 4 | #3 |
| What are the best invoicing software tools? | 3 of 4 | #6 |
| Which invoicing software is best value for money? | 1 of 3 | #2 |
| Which invoicing tool has the lowest payment fees? | 1 of 3 | #8 |
| What's the best invoicing software for freelancers? | 1 of 4 | #1 |
| What's the best invoice generator for a small business? | 1 of 4 | #3 |
| What's the best alternative to QuickBooks for invoicing? | 1 of 4 | #3 |
| What's the best invoicing tool that chases late payments automatically? | 1 of 4 | #5 |
Questions you lose
| question | who got named instead |
|---|---|
| Which invoicing tool is easiest to use? | Square Invoices, FreshBooks, Wave |
| What's the best invoicing software in 2026? | Zoho Invoice, FreshBooks, QuickBooks |
| What's the best invoicing app for a solo consultant? | Zoho Invoice, Wave, FreshBooks |
| What's the best tool to send an invoice and get paid by card? | Square Invoices, QuickBooks, Stripe Invoicing |
| What's the best tool for recurring invoices and subscriptions? | QuickBooks, Square Invoices |
| What's the best invoicing software for tracking billable hours? | Harvest, FreshBooks |
| What's the best invoicing tool for international clients and multiple currencies? | Zoho Invoice, Bonsai, Stripe Invoicing |
| What's the best invoicing tool that handles VAT or sales tax? | Xero, FreshBooks, QuickBooks |
| What's the best free invoice template or generator with no signup? | QuickBooks |
| What's the best invoicing app for contractors and trades? | Joist, Square Invoices, QuickBooks |
| What's the best invoicing tool that connects to accounting software? | Xero, QuickBooks, Square Invoices |
Assistants cited 15 pages for questions in this category that name your rivals and not you. Claim to see them. See all sources for Invoicing software.
In their words
- ChatGPT“Invoice Ninja | Feature-rich invoicing, payments, time tracking | Elastic 2.0 | Moderate | Excellent”
- Claude“Default recommendation: Invoice Ninja.”
- Perplexity“The best open-source or self-hosted invoicing software depends on what you need, but the strongest general-purpose picks are InvoiceShelf, Invoice Ninja, and InvoicePlane.”
Closest rivals
- Invoice Ninja vs PayPal Invoicing14
- Invoice Ninja vs Harvest13
- Invoice Ninja vs Bonsai10
- Invoice Ninja vs Stripe Invoicing22
- Invoice Ninja vs Joist4
All Invoice Ninja alternatives · Full Invoicing software leaderboard · Sources