Yes, having active eSIMFlyer data is crucial for using the 24pay app in Romania. This app is the standard, modern way to purchase bus and metro tickets digitally in cities like Bucharest and Cluj-Napoca. Relying on it means you'll need a stable internet connection to avoid delays or potential fines, ensuring smooth transit between your layovers and destinations.
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Is eSIMFlyer data required for the 24pay app in Romania?
Updated April 22, 2026
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