Yesim
Switzerland · fundado em 2019
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Yesim brings 2019-era startup discipline to eSIM distribution from Switzerland. Beyond standard Japan data packages, it adds virtual phone numbers for travelers who need a local calling presence without a physical SIM card. The app handles activation, balance checks, and plan switches in one place.
Virtual numbers are useful if you're coordinating with local hotels or services and want to stay reachable on a local number. Most competitors skip this feature entirely.