# Invoice Simple: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 6 judge labels across 2 categories by 5 of 14 models. Page: https://www.gane.ai/index/finance/vendors/invoice-simple

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Invoicing software](https://www.gane.ai/index/finance/receivables/invoicing-software/index.md) | 0% | 94 | 75% | 4 |
| [Global e-invoicing compliance](https://www.gane.ai/index/finance/tax/global-e-invoicing-compliance/index.md) | 0% | 158 | 100% | 2 |

## What the models said for it

- "Invoice Simple (focused on simplicity)" (Kimi K2, Invoicing software)

## And against it

- "Software (such as basic mobile apps like *Invoice Simple* and similar micro-tier billing apps) heavily criticized in user reviews for sudden 200%+ price jumps" (Gemini 3.5 Flash, Global e-invoicing compl)
- "Verdict: Avoid. This is one of the clearest examples of bait-and-switch pricing in the invoicing space." (DeepSeek V4 Flash, Invoicing software)
- "High Caution / Consider Avoiding ... Cancellation nightmares ... ABSOLUTE NIGHTMARE & DONT USE THEM" (Qwen 3.7 Flash, Invoicing software)
- "Customer support rated poorly (~3.1/5) - Multiple complaints about refund issues" (Kimi K2, Global e-invoicing compl)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 1 | 1 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 0 | 0 | 0 | 0 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 1 | 1 |
| Llama 4 Maverick | 0 | 0 | 0 | 1 | 1 |
| Qwen 3.7 Flash | 0 | 0 | 0 | 1 | 1 |
| Kimi K2 | 0 | 1 | 0 | 1 | 2 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |

## Sources returned with these answers

The sites and pages cited by the answers that named Invoice Simple, from 14 of the 14 answers that named it (only the models that return a source list).

### Domains cited

- softwareadvice.com: 12
- capterra.com: 11
- reddit.com: 9
- forbes.com: 8
- quickbooks.intuit.com: 7
- techradar.com: 6
- trustpilot.com: 6
- g2.com: 5
- stripe.com: 5
- dev.to: 3

### Pages cited

- https://softwareadvice.com/accounting/small-business-invoicing-comparison: 9
- https://forbes.com/advisor/business/software/best-invoicing-software: 8
- https://reddit.com/r/smallbusiness/comments/1n0bwmf/invoice_simple_admitted_that_you_cannot_trust: 5
- https://softwareadvice.com/accounting/invoice-simple-profile/reviews: 5
- https://reddit.com/r/smallbusiness/comments/1r7t104/anyone_else_frustrated_by_what_invoicing_apps: 4
- https://capterra.com/p/142390/FreshBooks/reviews: 3
- https://capterra.com/p/179253/PayPal-Invoicing/reviews: 3
- https://capterra.com/p/222215/Invoiced/reviews: 3

## In its own words

What Invoice Simple's own pages state, read 2026-10-06. Stated by the vendor, not checked by the index.

- Hosting: Europe, Worldwide
- Customers named: Mogas

## What it publishes

Every page e-invoice.be exposes, read 2026-09-29: 221 addresses. By kind, pages and the last 90 days:

- blog: 55 pages, 0 in the last 90 days, latest 2025-01-06
- case study: 2 pages, 0 in the last 90 days, latest 2026-06-04
- webinar or virtual event: 1 pages, 0 in the last 90 days, latest 2025-01-06
- report or ebook: 8 pages, 0 in the last 90 days, latest undated
- comparison: 8 pages, 0 in the last 90 days, latest 2025-01-06
- template or tool: 4 pages, 0 in the last 90 days, latest 2025-01-06
- Recent: 2026-06-04 case study: Eventify https://e-invoice.be/customers/eventify
- Recent: 2026-06-04 case study: Pixl creations https://e-invoice.be/customers/pixl-creations
- Recent: 2025-01-06 template or tool: Late payment calculator be https://e-invoice.be/late-payment-calculator-be
- Recent: 2025-01-06 template or tool: Late payment calculator nl https://e-invoice.be/late-payment-calculator-nl
- Recent: 2025-01-06 template or tool: Late payment calculator de https://e-invoice.be/late-payment-calculator-de
- Recent: 2025-01-06 template or tool: Late payment calculator fr https://e-invoice.be/late-payment-calculator-fr

## Record

- Method: https://www.gane.ai/index/finance/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/finance.