AI assistants most often recommend ContaPlus for invoicing software in 🇲🇽 Mexico (Español), naming it in 100% of the buyer questions we tested, followed by QuickBooks and FacturaSoft. We asked an AI model the questions buyers ask about invoicing software and tallied which brands it named most — "share of voice" in AI answers, who AI recommends when no human is watching.
| # | Brand | AI share of voice |
|---|---|---|
| 1 | ContaPlus | 6/6 (100%) |
| 2 | QuickBooks | 6/6 (100%) |
| 3 | FacturaSoft | 4/6 (67%) |
| 4 | SAP Business One | 2/6 (33%) |
| 5 | Facturama | 2/6 (33%) |
Method: 6 representative buyer questions via a large language model, 🇲🇽 Mexico (Español). Updated 7/23/2026. A proxy for how AI assistants describe this category.
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