Invoicing software · #21 of 21 · ↑ Sage
Billdu
Billdu ranks #21 of 21 in invoicing software in the week of 28 September 2026, with a visibility score of 1 across ChatGPT, Claude, Gemini and Perplexity. It was named in 3% of the answers we sampled.
sampled: 3 of 4 assistants this week
Billdu barely registers on AI assistants' radar in the invoicing software category, landing an overall score of just 1 out of 100. Perplexity gave it a 4, while ChatGPT and Claude scored it at 0. Across 75 questions tested, Billdu was named in only 3 answers, each time appearing in just 1 of 3 responses: for free invoice templates with no signup, invoicing apps for contractors and trades, and alternatives to Square Invoices. It never came up for international client invoicing, QuickBooks alternatives, solo consultant tools, recurring invoices, or best invoicing software in 2026.
this is mine claim it, free, forever. We also check whether ChatGPT and Claude can read billdu.com.
Who's talking about you
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 0 | 0% of answers | |
| Claude | 0 | 0% of answers | |
| Gemini | not sampled this week | ||
| Perplexity | 4 | 10% of answers | #4.0 |
Questions you win
| question | named in | best spot |
|---|---|---|
| What's the best free invoice template or generator with no signup? | 1 of 3 | #3 |
| What's the best invoicing app for contractors and trades? | 1 of 3 | #5 |
| What are the best alternatives to Square Invoices? | 1 of 3 | #9 |
Questions you lose
| question | who got named instead |
|---|---|
| What are the best invoicing software tools? | Zoho Invoice, QuickBooks, Wave |
| What's the best invoicing software for freelancers? | Zoho Invoice, Wave, FreshBooks |
| What are the best free invoicing tools? | Zoho Invoice, Wave, Square Invoices |
| What's the best invoice generator for a small business? | Zoho Invoice, QuickBooks, Square Invoices |
| Which invoicing tool is easiest to use? | FreshBooks, PayPal Invoicing, Square Invoices |
| What's the best invoicing software in 2026? | Zoho Invoice, Wave, Invoice Ninja |
| Which invoicing tool has the lowest payment fees? | Stripe Invoicing, Square Invoices, QuickBooks |
| What's the best invoicing app for a solo consultant? | Zoho Invoice, FreshBooks, Harvest |
| Which invoicing software is best value for money? | Zoho Invoice, Wave, Xero |
| What's the best alternative to QuickBooks for invoicing? | Zoho Invoice, FreshBooks, Wave |
| What's the best tool to send an invoice and get paid by card? | Wave, PayPal Invoicing, Square Invoices |
| What's the best tool for recurring invoices and subscriptions? | QuickBooks, Square Invoices, Xero |
| What's the best invoicing tool that chases late payments automatically? | FreshBooks, Xero, QuickBooks |
| What's the best invoicing software for tracking billable hours? | Harvest, FreshBooks, Zoho Invoice |
| 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, Stripe Invoicing, FreshBooks |
| What's the best invoicing tool that handles VAT or sales tax? | Xero, FreeAgent, Stripe Invoicing |
| What's the best invoicing tool that connects to accounting software? | Xero, QuickBooks, Harvest |
| What are the best alternatives to FreshBooks? | QuickBooks, Xero |
| What are the best alternatives to Zoho Invoice? | Wave, QuickBooks, FreshBooks |
| What are the best alternatives to QuickBooks? | Xero, Wave |
| What are the best alternatives to Wave? | QuickBooks, Xero, Wave |
Assistants cited 10 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
- Perplexity“| Billdu | Mobile invoicing and simple sales pages | Mobile-first tools, customizable invoices, and paid plans starting at a relatively low monthly price |”
- Perplexity“| Very simple low-cost invoicing | Billdu | Lightweight invoicing with plans reported from about $4.99/month.”
- Perplexity“Billdu — Simple no-account PDF generator with a straightforward workflow.”
Closest rivals
All Billdu alternatives · Full Invoicing software leaderboard · Sources