InvoicePlane vs Joist
as AI assistants see them, week of 2026-09-21
InvoicePlane and Joist both show up quietly in AI answers, each named in just 3 of 70 across the board, with overall scores of 3 and 4 out of 100. They split when it counts most: InvoicePlane owns the "best open-source or self-hosted invoicing software" question, appearing in all 3 of 3 answers there, while Joist takes "best invoicing app for contractors and trades," also 3 of 3. Head-to-head, they're tied on 18 questions, with each winning just 1. Neither gets a mention for international currencies, billable hours, card payments, or accounting integrations.
Head to head
| metric | InvoicePlane | Joist |
|---|---|---|
| score | 3 | 4 |
| questions won | 1 | 1 |
By assistant
InvoicePlane
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 3 | 5% of answers | #4.0 |
| Claude | 2 | 5% of answers | #9.0 |
| Gemini | 0 | 0% of answers | |
| Perplexity | 4 | 5% of answers | #3.0 |
Joist
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 5 | 5% of answers | #1.0 |
| Claude | 5 | 5% of answers | #1.0 |
| Gemini | 0 | 0% of answers | |
| Perplexity | 4 | 5% of answers | #2.0 |
Where they differ
Only InvoicePlane gets named for
- What's the best open-source or self-hosted invoicing software?
Only Joist gets named for
- What's the best invoicing app for contractors and trades?
More comparisons
- Bill vs InvoicePlane
- FreeAgent vs InvoicePlane
- Invoice Simple vs InvoicePlane
- InvoicePlane vs Sage
- Invoiced vs InvoicePlane
- Bill vs Joist
Not sold on either?
Scores count how often each assistant names a product, weighted by position. How the score works · Full Invoicing software leaderboard