Is roaming free in Benin with our existing French (Orange) or other EU SIM card, or should we use Triply?

No, absolutely not! This is a common misconception for groups traveling to Benin. While Benin is a French-speaking country, it is definitely NOT part of the EU or any typical French domestic mobile plan. Most home carriers, whether it's Orange FR, T-Mobile US, or Vodafone UK, will charge you their highest 'Rest of World' international roaming rates, which can quickly become very expensive for your group. A Triply eSIM offers a much more affordable and predictable way to keep everyone connected without any bill shock!