Yes, your WorldESIM data is perfect for utilizing the HSL app in Helsinki and its surrounding areas, including Vantaa. The HSL app is indispensable for purchasing and displaying tickets for trams, buses, the metro, and commuter trains. Reliable mobile data ensures your tickets are always accessible and validated, making your urban transit experience smooth and efficient.
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Can I use the HSL public transport app in Helsinki with WorldESIM?
Updated April 22, 2026
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