Is roaming free in Colombia with my Ecuadorian SIM card?

It depends on your specific Ecuadorian carrier and plan. While some local carriers like Claro Ecuador or Movistar Ecuador might offer roaming packages for neighboring countries, these are typically add-ons and not inherently 'free.' You would need to check directly with your provider to understand their roaming rates and options for Colombia. For seamless and cost-effective connectivity across borders, especially if you're traveling between Ecuador and Colombia, an Ecuador Abroad South America Regional eSIM is often a more straightforward and transparent solution.