AI assistants most often recommend NFe.io for invoicing software in 🇧🇷 Brazil (Português), naming it in 83% of the buyer questions we tested, followed by Bling and ContaAzul. 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 | NFe.io | 5/6 (83%) |
| 2 | Bling | 4/6 (67%) |
| 3 | ContaAzul | 4/6 (67%) |
| 4 | Zendesk Sell | 2/6 (33%) |
| 5 | Nubank Conta | 2/6 (33%) |
| 6 | Boleto Simples | 1/6 (17%) |
| 7 | Zendesk | 1/6 (17%) |
| 8 | Nubank | 1/6 (17%) |
| 9 | Omie | 1/6 (17%) |
| 10 | Simplified | 1/6 (17%) |
| 11 | OmniPOS | 1/6 (17%) |
| 12 | Boleto Fácil | 1/6 (17%) |
| 13 | PagSeguro | 1/6 (17%) |
Method: 6 representative buyer questions via a large language model, 🇧🇷 Brazil (Português). Updated 7/3/2026. A proxy for how AI assistants describe this category.
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