Alpha eSIM
Travel data, explained
The Alpha eSIM blog
Short, useful guides for staying online abroad.
Guides · 6 min readHow much data do I need for a 2-week trip?A simple way to estimate, with real numbers for maps, social media, video and calls.8 Oct 2026 · Alpha eSIM team
Guides · 4 minDay pass or data plan: which is better?When a daily allowance wins, and when one big plan is cheaper.1 Oct 2026
How-to · 3 minKeep WhatsApp working abroad without roamingYour number stays the same. Here is how to set your phone up.24 Sep 2026
Destinations · 5 minJapan travel data guideNetworks, train Wi-Fi, and how much data a week in Tokyo really takes.17 Sep 2026
Crew · 4 minCrew tips: staying online on short layoversWhat airline crew do to land connected, from people who fly for a living.10 Sep 2026
Destinations · 5 minEurope in one eSIM: crossing borders without a new SIMHow one regional plan works across 35 countries, and where it does not.3 Sep 2026