No. Roamless does not offer an unlimited data eSIM plan for South America. All of Roamless’s South American plans have explicit data caps, ranging from 5GB to 20GB for a 30‑day validity period.
Travelers looking for more data can select a fixed‑data plan. For example, the “Latin America - 30 Days” 20GB plan costs $69.95 USD and covers Argentina, Bolivia, Brazil, Chile, Colombia, Guatemala, Honduras, Nicaragua, Panama, Peru, Paraguay, El Salvador, and one additional country, while the “Global - 30 Days” 10GB plan costs $56.95 USD and covers the same South American countries plus French Guiana, Guyana, Suriname, and 106 other countries. Choosing a fixed‑data option may be more cost‑effective unless a trip requires very high data usage.