From a technical and cost perspective, how does CoreESIM compare to using a US (<strong>AT&T</strong>, <strong>T-Mobile</strong>, <strong>Verizon</strong>) or Canadian carrier's roaming service?

CoreESIM generally offers superior performance and cost-efficiency compared to standard US or Canadian carrier roaming. Many North American plans, while advertised as 'free roaming,' often implement data throttling to 2G/3G speeds internationally, severely impacting usability for navigation or streaming. Additionally, daily roaming passes (e.g., $10-$14 USD) can accumulate rapidly. CoreESIM provides dedicated high-speed local data access (4G/LTE, often 5G where available) at transparent, competitive rates, avoiding unexpected charges and ensuring consistent performance tailored for specific regions like Mexico or Europe.