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Travel eSIM guides
Straight answers about staying online abroad: which plan to pick, how much data you need, and how we compare with other eSIMs.
ComparisonTravel eSIM refund policies compared: most give you 30 days, we give you 5 months
Nomad, Yesim, Maya Mobile and Saily give you 30 days to cancel an unused eSIM. Blue eSIM gives you up to 5 months. Here are the rules side by side.
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eSIM basicsCan I get a refund on a travel eSIM? With Blue eSIM, for up to 5 months
Trip cancelled or moved? Cancel any Blue eSIM you haven't installed, for any reason, up to 5 months after buying, and get the full price back as credit.
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ComparisonBest travel eSIMs in 2026: 8 providers compared on price
Blue eSIM, Airalo, Holafly, Saily, Nomad, Yesim, Ubigi and Maya Mobile compared: what a month in Turkey costs, unlimited vs fixed data, and hotspot.
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ComparisonBlue eSIM vs Maya Mobile: pay for the data you use, not for "unlimited"
Maya Mobile sells unlimited plans that can renew automatically. Blue eSIM sells fixed plans sized for real trips. Prices for Turkey compared.
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ComparisonBlue eSIM vs Ubigi: which travel eSIM costs less for Turkey?
Blue eSIM and Ubigi compared for Turkey: prices for 1 GB to 10 GB, networks, hotspot, and how to install before you fly.
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ComparisonBlue eSIM vs Yesim: lower prices without waiting for a sale
Blue eSIM and Yesim compared for Turkey: fixed-data prices, discounts versus everyday prices, hotspot and networks.
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ComparisonBlue eSIM vs Nomad: cheaper plans for Turkey and Europe
Blue eSIM and Nomad compared: fixed-data prices for Turkey and Europe, which networks you get, and how far your money goes.
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ComparisonBlue eSIM vs Saily: the same trip for about half the price
Blue eSIM and Saily compared for Turkey and Europe: fixed-data prices, what Saily’s "unlimited" really includes, and hotspot sharing.
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ComparisonBlue eSIM vs Holafly: is "unlimited" worth paying 8 times more?
Holafly sells unlimited data, Blue eSIM sells plans sized for real trips. Prices for Turkey and Europe, and the hotspot limit most people miss.
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ComparisonBlue eSIM vs Airalo: why you might pay 6 times less for the same trip
Blue eSIM and Airalo compared for Turkey and Europe: what a week or a month costs, unlimited versus fixed data, and hotspot sharing.
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GuideBest eSIM for Thailand and Southeast Asia: one plan for the whole trip
Mobile data in Thailand, Vietnam, Bali and beyond: Thailand networks, one eSIM for eight countries, how much data you need, and island-hopping tips.
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eSIM basicseSIM for business trips: staying online, sharing with your laptop, and expensing it
A travel eSIM for work trips: how much data video meetings use, working from a laptop on your hotspot, and keeping receipts for expenses.
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GuideGreece eSIM for island hopping: does mobile data work on the ferries?
Coverage on Greek islands and ferries, which networks a Greece eSIM uses, and how much data you need for a week in the Cyclades.
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eSIM basicsOne eSIM for several countries: when a regional or global plan makes sense
Visiting more than one country? How regional and global eSIM plans work, which regions Blue eSIM covers, and when single-country plans are better.
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GuideGoing home this summer: staying online in Albania and the Balkans without roaming bills
Albania plan or Balkans plan? What a summer trip home costs in data, which networks you get, and how to avoid roaming bills from Germany, Switzerland or Italy.
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GuideMorocco eSIM guide: staying online on the summer trip home
Visiting family in Morocco or touring the country: which network a Morocco eSIM uses, plan sizes for a week or a month, and avoiding roaming bills.
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eSIM basicsAirport and hotel Wi-Fi vs mobile data: which is safer for banking abroad?
Is public Wi-Fi safe for your banking app? The real risks of airport and hotel Wi-Fi, and why mobile data is the safer choice for sensitive things.
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GuideBest eSIM for the USA: for a family visit or a road trip
Mobile data in the USA: roaming, US SIM or travel eSIM, AT&T and Verizon coverage, how much data a road trip takes, and setup before you fly.
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GuideItaly eSIM guide: networks, coverage on the coast, and plan sizes
Which networks an Italy eSIM uses, coverage from Rome to the Amalfi Coast and the islands, and how much data you need for a week or a month.
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eSIM basicsRunning low on data? How to top up your eSIM without installing a new one
How topping up a travel eSIM works: add data to the eSIM you already have, in the app or on the website, with nothing new to install.
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GuideSwitzerland eSIM: why EU roaming doesn't cover you there
Switzerland isn't in the EU, so many phone plans charge roaming there. Which networks a Switzerland eSIM uses, and how much data you need.
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GuideBest eSIM for the UK: London and beyond, for visitors
Mobile data in the UK for visitors: roaming after Brexit, UK SIM or travel eSIM, the networks you get, coverage on the Tube, and setup in four steps.
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eSIM basicsTravelling as a family: one eSIM each, or one shared through the hotspot?
How to keep the whole family online abroad for less: when one shared eSIM works, when everyone needs their own, and how to set it up.
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GuideBest eSIM for Tunisia: data for Djerba, Hammamet, Sousse and Tunis
Mobile data in Tunisia: roaming, airport SIM or travel eSIM, the network you get, how much data a beach holiday or family visit takes, and setup.
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eSIM basicsWill I keep my WhatsApp number with a travel eSIM? Yes, here is how
A travel eSIM gives you data, not a new number. How WhatsApp, iMessage and calls keep working on your own number while you travel.
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eSIM basicsUsing your phone as a hotspot abroad: laptop, tablet and the kids
How to share your travel eSIM data with a laptop or tablet, how much data it uses, and how to stop a laptop eating your plan.
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GuideBest eSIM for Egypt: Hurghada, Sharm el-Sheikh, Cairo and the Nile
Mobile data in Egypt: roaming, airport SIM or travel eSIM, the networks you get at the Red Sea and on the Nile, how much data you need, and setup.
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GuideGermany eSIM for visitors: networks, coverage on trains, and how much data you need
Visiting Germany or family there? Which networks a Germany eSIM uses, where coverage drops, and why it beats a German prepaid SIM.
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GuideeSIM for Umrah and Hajj: staying connected in Makkah and Madinah
How to stay online during Umrah or Hajj without a Saudi SIM card: which network, how much data, and sharing it with your family.
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GuideBest eSIM for Dubai and the UAE: for a holiday or a stopover
Mobile data in Dubai and Abu Dhabi: roaming, airport SIM or travel eSIM, the network you get, WhatsApp calls, and data for a stopover or a holiday.
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eSIM basicsHow to avoid a roaming bill: the 3 settings to check before you fly
Roaming bills come from your home SIM, not your travel eSIM. Three phone settings to check before your trip, on iPhone and Android.
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GuideBest eSIM for Austria: Vienna, the Alps and visiting family
Mobile data in Austria: which networks a travel eSIM uses, coverage in the Alps, how much data you need, and how to set it up before you travel.
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eSIM basicseSIM not working abroad? 8 fixes that solve almost every problem
No signal or no internet after you land? Work through these fixes in order: data roaming, the right data line, APN, network choice and more.
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eSIM basicsWhen should I install my travel eSIM? Before you fly, and here is why
Install your eSIM at home, days or even months before the trip. The plan only starts when you land. Here's the timing, and the mistakes to avoid.
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GuideBest eSIM for Europe in 2026: one plan for 34 countries, or a cheaper single-country plan?
When a Europe eSIM is worth it, when a single-country plan costs less, and how much data you need for a week or a month.
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GuideBest eSIM for Spain: data for Barcelona, Madrid and the islands
Mobile data in Spain and its islands: roaming, local SIM or travel eSIM, the networks you get, how much data you need, and setup in four steps.
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GuideTurkey eSIM guide: networks, plan sizes, and why it beats a Turkish SIM card
Which network a Turkey eSIM uses, how much data you need for Istanbul or the coast, and why a local SIM is more hassle than it looks.
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eSIM basicsHow much data do I need for my trip? A simple calculator
How much mobile data maps, WhatsApp, Instagram, video calls and Netflix really use, with a calculator to find the right plan size.
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GuideBest eSIM for France: networks, data and setup for Paris and beyond
How to get mobile data in France: roaming, local SIM or travel eSIM, which network you get, how much data a trip takes, and setup in four steps.
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eSIM basicsDoes my phone support eSIM, and is it unlocked? How to check in 2 minutes
Two quick checks before you buy a travel eSIM: does your iPhone or Android support eSIM, and is it unlocked from your carrier?
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eSIM basicsWhat is an eSIM, and does my phone support it?
An eSIM in plain words: how it works, how to check if your phone supports one, and how to use it for travel without losing your own number.
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