DrimSim

DrimSim operates in 197 countries globally, with solid coverage across major Asian destinations like Japan, Thailand, Singapore, and South Korea. The provider offers both physical SIM and eSIM options, giving you choice in how you receive your service. Plans are structured by region, making it simple to pick Asia-only coverage or larger regional bundles.

Suits travelers moving between multiple Asian countries or those who want the security of physical SIM backup. The dual SIM/eSIM option is particularly useful if your device can't use eSIM alone or if you're concerned about fallback options.