Yes, for speed and price. This is the #1 question. Many US/Canadian "free roaming" plans will throttle your speed to 2G/3G once you land in Mexico, making Google Maps or video calls impossible. Or, you'll be charged a $10-$14 "Day Pass". A Cellesim eSIM is a one-time prepaid fee that guarantees you connect to the fastest 4G/5G networks, often for a fraction of the cost.
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Is an eSIM cheaper/better than my US (AT&T/T-Mobile/Verizon) or Canadian plan?
Updated April 22, 2026
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