Sim Local

Sim Local serves a base of over 4 million customers across 150-plus countries with a focus on reliability and scale. Their Vietnam plans offer up to 180GB of data per month, making them a standout choice if you're a heavy data user or running a small business from Vietnam. The generous allowances are built for remote workers and creators who need dependable connectivity for streaming, uploads, and video calls.

Heavy users and digital nomads benefit most from this provider's high data allowances. The large customer base suggests stability and support, which matters if you're relying on the connection for work rather than casual travel.