Destination Guides

Free eSIM for Greece: Try co:sim's Free Trial Before You Fly

co:sim offers a free 1 GB eSIM valid for 7 days across 33 European countries, including Greece, and it's reloadable, so the same eSIM keeps working after a top-up. Here's how Greek mobile coverage holds up on the mainland and islands, whether 1 GB is enough, and how to claim the offer.

co:sim TeamJun 16, 202613 min

Destination Guides

Best eSIM for Bali, Indonesia (2026): Plans, Prices & Coverage

The best eSIM for Bali and Indonesia depends on which network reaches your islands and how much data your trip needs. Here is how Telkomsel, IOH, and XL compare, what 2025 field tests found about real-world 5G, and how to set up your eSIM before you land.

co:sim TeamJun 15, 202611 min

Destination Guides

Free eSIM for Portugal: Try co:sim's Free Trial Before You Fly

co:sim offers a free 1 GB eSIM valid for 7 days across 33 European countries, including Portugal, and it's reloadable, so the same eSIM keeps working after a top-up. Here's how Portugal's mobile coverage across Lisbon, Porto, and the Algarve holds up, whether 1 GB is enough, and how to claim the offer.

co:sim TeamJun 13, 202612 min

Destination Guides

Free eSIM for Croatia: Try co:sim's Free Trial Before You Fly

co:sim offers a free 1 GB eSIM valid for 7 days across 33 European countries, including Croatia, and it's reloadable, so the same eSIM keeps working after a top-up. Here's how Croatian mobile coverage holds up on the coast and islands, whether 1 GB is enough, and how to claim the offer.

co:sim TeamJun 9, 202611 min

Destination Guides

Free eSIM for Budapest & Hungary: Try co:sim's Free Trial

co:sim offers a free 1 GB eSIM valid for 7 days across 33 European countries, including Hungary, and it's reloadable, so the same eSIM keeps working after a top-up. Here's how Budapest and Hungary's mobile coverage holds up, whether 1 GB is enough, and how to claim the offer.

co:sim TeamJun 7, 202612 min

Destination Guides

Free eSIM for Prague & Czechia: Try It Before You Fly

co:sim offers a free 1 GB eSIM valid for 7 days across 33 European countries, including Czechia, and it's reloadable, so the same eSIM keeps working after a top-up. Here's how Prague and the rest of Czechia's mobile coverage holds up, whether 1 GB is enough, and how to claim the offer.

co:sim TeamJun 4, 202612 min

Destination Guides

Free eSIM for UK: Try co:sim's Free Trial Before You Fly

co:sim offers a free 1 GB eSIM valid for 7 days across 33 European countries, including the UK, and it's reloadable, so the same eSIM keeps working after a top-up. Here's how UK mobile coverage holds up post-Brexit, whether 1 GB is enough, and how to claim the offer.

co:sim TeamJun 2, 202613 min

Destination Guides

Free eSIM for Switzerland: Try co:sim's Free Trial Before You Fly

co:sim offers a free 1 GB eSIM valid for 7 days across 33 European countries, including Switzerland, and it is reloadable, so the same eSIM keeps working after a top-up. Here is how Swiss mobile coverage holds up, why EU roaming does not follow you across the border, and how to claim the offer.

co:sim TeamMay 30, 202611 min

Destination Guides

Free eSIM for the Netherlands: Try co:sim's Free Trial Before You Fly

co:sim offers a free 1 GB eSIM valid for 7 days across 33 European countries, including the Netherlands, and it's reloadable, so the same eSIM keeps working after a top-up. Here's how Dutch mobile coverage holds up, whether 1 GB is enough, and how to claim the offer.

co:sim TeamMay 28, 202612 min

Destination Guides

Free eSIM for Iceland: Try co:sim's Free Trial Before You Fly

co:sim offers a free 1 GB eSIM valid for 7 days across 33 European countries, including Iceland, and it's reloadable, so the same eSIM keeps working after a top-up. Here's why Iceland's own visitor mix makes this more than a backup plan, how coverage holds up on the Ring Road, and how to claim it.

co:sim TeamMay 25, 202612 min

Destination Guides

Best eSIM for Malaysia (2026): Coverage, Data Plans and Singapore Travel

A practical, evidence-led guide to choosing a Malaysia eSIM, checking network fit, and planning one connection for Malaysia and Singapore.

co:sim TeamMay 22, 202611 min

Destination Guides

Best eSIM for Argentina (2026): Plans, Prices & Coverage

Argentina's carriers barely sell eSIMs to tourists. Here's how Claro, Movistar, and Personal compare to an international eSIM, where each network is strongest, and how to set up before you land.

co:sim TeamMay 21, 202612 min

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