Invoicing software · #15 of 18 · ↑ FreeAgent · ↓ InvoicePlane
Invoice Simple
Invoice Simple ranks #15 of 18 in invoicing software in the week of 21 September 2026, with a visibility score of 3 across ChatGPT, Claude, Gemini and Perplexity. It was named in 4% of the answers we sampled.
Invoice Simple barely registers with AI assistants, named in just 3 of 70 answers across invoicing questions. Claude gives it the highest mark at 7 out of 100, followed by Perplexity at 3, while ChatGPT and Gemini score it 0. When it does show up, it's for narrow use cases: 1 of 3 answers for contractor and trades invoicing, 1 of 4 for ease of use, and 1 of 3 for free invoice templates with no signup. It's absent entirely from questions about multi-currency support, billable hours tracking, card payments, accounting software integration, and free invoicing tools generally.
this is mine claim it, free, forever. We also check whether ChatGPT and Claude can read invoicesimple.com.
Who's talking about you
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 0 | 0% of answers | |
| Claude | 7 | 10% of answers | #4.5 |
| Gemini | 0 | 0% of answers | |
| Perplexity | 3 | 5% of answers | #5.0 |
Questions you win
| question | named in | best spot |
|---|---|---|
| What's the best invoicing app for contractors and trades? | 1 of 3 | #3 |
| What's the best free invoice template or generator with no signup? | 1 of 3 | #6 |
| Which invoicing tool is easiest to use? | 1 of 4 | #5 |
Questions you lose
| question | who got named instead |
|---|---|
| What are the best invoicing software tools? | FreshBooks, Zoho Invoice, QuickBooks |
| What's the best invoicing software for freelancers? | Zoho Invoice, FreshBooks, Wave |
| What are the best free invoicing tools? | Zoho Invoice, Wave, Square Invoices |
| What's the best invoice generator for a small business? | Zoho Invoice, Wave, FreshBooks |
| What's the best invoicing software in 2026? | Zoho Invoice, FreshBooks, QuickBooks |
| Which invoicing tool has the lowest payment fees? | Wave, Stripe Invoicing, QuickBooks |
| What's the best invoicing app for a solo consultant? | Zoho Invoice, Wave, FreshBooks |
| Which invoicing software is best value for money? | Zoho Invoice, Wave, FreshBooks |
| What's the best alternative to QuickBooks for invoicing? | FreshBooks, Wave, QuickBooks |
| 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 tool that chases late payments automatically? | Xero, QuickBooks, FreshBooks |
| What's the best invoicing software for tracking billable hours? | Harvest, FreshBooks |
| What's the best open-source or self-hosted invoicing software? | Invoice Ninja, InvoicePlane |
| 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 invoicing tool that connects to accounting software? | Xero, QuickBooks, Square Invoices |
Assistants cited 14 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
- Claude“Invoice Simple and Zoho Invoice (free) are fine if you literally just need a clean PDF and a payment link.”
- Perplexity“Invoice Simple — explicitly marketed as very straightforward and easy to use.”
- Claude“Free generators from invoicing companies (Invoice Simple, Zoho, Bookipi) often gate the PDF, watermark it, or push you into a trial after a couple of invoices.”
Closest rivals
- Invoice Simple vs Bill3
- Invoice Simple vs FreeAgent3
- Invoice Simple vs InvoicePlane3
- Invoice Simple vs Sage3
- Invoice Simple vs Invoiced2
All Invoice Simple alternatives · Full Invoicing software leaderboard · Sources