All guides
Every RoamReady article in one place. Each one carries a "Last verified" date and links to the provider pages we checked. Prices move weekly — treat every figure as a snapshot, and confirm on the provider's site before buying. Can't find your question? Ask for a guide.
The honest pages
The framework and the anti-pitch — read these before any destination guide.
How to choose a travel eSIM (the honest guide)
Seven criteria, the tradeoffs between them, and the questions to ask any "best eSIM" listicle.
Anti-pitchWhen you should NOT buy an eSIM
Six situations where an eSIM wastes money — starting with your phone simply not being ready.
MethodologyHow we compare providers
The exact criteria, weighting logic, earnings disclosure, and what we refuse to claim.
Destination guides
Criteria first, representative verified plans second, never "our #1 pick".
Japan eSIM guide
Global apps vs local options (KDDI/au, Docomo-network Mobal) — with October 2026 price ranges.
South KoreaSouth Korea eSIM guide
Fast, cheap data — and the daily caps hiding inside Korean "unlimited" plans.
Thailand & VietnamThailand and Vietnam eSIM guide
Where data is cheap enough that the decision gets easy — and what still differs.
EuropeEurope eSIM guide (multi-country)
41-country regional eSIMs, per-country buys, and the EU roaming rule that changes everything.
USAUSA eSIM guide for visitors
What actually matters in the US, and the cases where roaming bundles beat every eSIM.
eSIM basics & fixes
Compatibility, alternatives, and the no-connection-after-landing playbook.
eSIM vs physical SIM vs pocket WiFi vs roaming
Four options, real win conditions, real losing scenarios for each.
BasicsIs your phone eSIM-ready?
Exact Settings paths for iPhone, Pixel, and Samsung — verified against official docs.
Fix iteSIM activation troubleshooting
Installed but no data? The five checks, in the order that finds the fault fastest.