Travel eSIM Guides
Our country pages match plans to a destination. These 18 guides cover the questions that sit around that choice: which app to trust, what support looks like when something breaks, and how an eSIM compares to roaming or pocket WiFi.
Start with the group closest to your question. Each guide compares the same providers on the same terms, so you can move between them without relearning the numbers.
Start with the trip length: 7, 14 or 30 days
At 7 days, HelloRoam leads on price
Its 7-day unlimited plan was the cheapest of five providers in 28 of 41 destinations checked on 30 Oct 2026. Read eSIM for short trips.
At 14 days, the refund window decides
For a 14-day trip booked early, our top pick refunds an unactivated eSIM for 180 days and Airalo for 14 days. Read when to buy an eSIM.
At 30 days, compare per country
The top pick's 30-day unlimited plan costs $65.28 in Japan, with 2 GB a day at full speed, against $69.00 at Airalo. A rival was cheaper at 30 days in 29 of 41 destinations on 30 Oct 2026. Read eSIM for digital nomads.
Fixed GB plans and unlimited day plans trade places as the trip grows. The plan types guide sets both side by side at 7, 14 and 30 days.
Providers and apps
Best eSIM Apps for Travel
HelloRoam, Airalo, Holafly, Saily and Nomad compared on app languages, coverage, checkout, support and price.
Read guide →eSIM App Comparison
A feature-by-feature look at data balance tracking, plan discovery, top-ups, and offline access.
Read guide →eSIM Customer Support Ranked
Support channels, published languages, and refund windows ranked for travelers who need help fast.
Read guide →eSIM Speed Comparison
Why the host carrier sets your eSIM speed, how 5G availability works, and what to check before buying.
Read guide →eSIM vs the alternatives
eSIM vs International Roaming
Cost, speed, setup, and coverage compared across 7-day, 14-day, and 30-day trips.
Read guide →Best Travel WiFi Options
Travel eSIM, local SIM, pocket WiFi, hotel WiFi, and carrier roaming compared on per-day cost and setup.
Read guide →Google Fi vs Travel eSIM
How Google Fi international data compares to a travel eSIM on cost, setup, and coverage by trip type.
Read guide →Mint Mobile vs International eSIM
Why travelers keep a US number and add a travel eSIM for data abroad instead of paying roaming rates.
Read guide →Cruise Ship WiFi vs eSIM
When ship WiFi is worth buying, how port stops change the math, and the cheapest full-cruise setup.
Read guide →Plans by trip type
eSIM for Cruise Ships
Which plans cover Caribbean, Mediterranean, and Alaska ports, and how much data a cruise needs.
Read guide →eSIM for Digital Nomads
Monthly cost, tethering support, and VPN compatibility for stays of one to three months.
Read guide →eSIM for Short Trips
What a weekend or 3-day trip needs, how much data to buy, and how to install before you go.
Read guide →eSIM for Students Abroad
Cheaper plans for short trips and semester travel, and when a local SIM beats a travel eSIM.
Read guide →Buying and setup
When to Buy an eSIM
When to purchase, when validity starts, how to install before departure, and why airport buys cost more.
Read guide →Prepaid vs Postpaid eSIM
Every travel eSIM is prepaid. What that means for your bill and how to pick the right prepaid plan.
Read guide →eSIM Promo Codes
Where legitimate discount codes come from, how referral programs work, and which savings are real.
Read guide →Free eSIM Trial
No major provider offers a free trial. Here is the cheapest way to test an eSIM before committing.
Read guide →eSIM Security and Privacy
How eSIM handles SIM theft and swap fraud, what stays encrypted, and whether third-party providers are safe.
Read guide →Looking for a specific destination?
These guides cover no single country. For plan tables tied to one country, with tiers at 7, 14 and 30 days and the networks a travel eSIM attaches to, use the destination pages.
Browse all destinations or start with the best eSIM guides by trip type. For multi-country routes, the itinerary comparisons weigh one regional plan against separate per-country plans.