Insights
Practical reading before you buy a travel eSIM, plus the sources we consult ourselves.
Is an eSIM cheaper than roaming? We did the math
$150 in carrier day passes against a $17 eSIM, on the same two-week trip. The full calculation, including when roaming still wins.
Keep your number and WhatsApp abroad: the right setup
The two-toggle setup that keeps you reachable on your own number while a travel eSIM handles the data.
Unlimited plans and the fair-use fine print
Where the throttle kicks in per provider, what 1 Mbps actually feels like, and when a big bundle beats unlimited.
Data bundles: the best price per gigabyte
Airalo, Saily, Nomad, and friends compared on the only number that matters at your destination.
Free and pay-as-you-go eSIMs: the new wave
Firsty gives data away free with ads; Roamless bills per gigabyte used. When the new models beat classic bundles.
eSIM not connecting? The five-step fix
Data roaming ON for the travel eSIM (yes, really), APN checks, manual network selection, and the rest of the checklist.
GSMA: the global industry body on eSIM technology
Specifications, adoption data, and the industry roadmap, straight from the organization that standardizes eSIM.
EU: official roam-like-at-home rules for travel within Europe
The official explanation of free roaming inside the EU, including fair-use limits and what happens after Brexit.
FCC: cell phones and traveling abroad, the official US guidance
The US telecom regulator on international roaming, unlocking, and avoiding bill shock.