Yesim
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Yesim, founded by Genesis Group AG, provides eSIM plans covering over 200 countries and regions. The Swiss company's mobile app makes activation straightforward, letting travelers find and purchase data plans for their exact destinations. Whether you're staying within Europe or heading worldwide, Yesim bundles regional options alongside individual country access.
The app's focus on prepaid data means no surprises with your travel bill. Regional multi-country bundles work well for those crossing borders frequently, while single-destination plans suit shorter stays.