Freemium-to-paid conversion; SaaS analytics; machine learning; class imbalance; explainable AI. Journal of Scientific Development, "for Studies and Research" (JSD), [S. l.], v. 7, n. 27, p. 100–112, 2026. DOI: 10.61212/. Disponível em: https://jsd.sdasmart.org/index.php/jsd/article/view/576. Acesso em: 26 sep. 2026.