Gigapass blog: travel connected, without the small print
Comparisons Best eSIM for Thailand: islands, cities and days to spare Bangkok, islands and long transfers. Which plan fits a trip that's usually longer than people reckon, and what to check before paying. 
Nerea Aguilar 7 min Read All posts
Comparisons Best eSIM for the United States: what changes with your kind of trip A week in New York and a road trip through the west aren't the same. What to check on coverage, days and data before you buy. Nerea Aguilar 8 min 
Comparisons Best eSIM for Japan: how to pick yours without overbuying There's no single best eSIM for everyone: there's one that fits your days and how you travel. The five things that decide it, in order. Nerea Aguilar 8 min 
Comparisons How to choose a travel eSIM: the seven things that decide it Comparing eSIMs on price per gigabyte is the most common mistake. These seven points explain why two similar-looking plans aren't worth the same. Nerea Aguilar 9 min 
Comparisons eSIM, pocket wifi or local SIM: the three ways to have data abroad Three ways to get online abroad, with their real advantages and their strings attached. Which wins depending on the trip, the group and the country. Nerea Aguilar 8 min 
Comparisons Unlimited eSIM or one by the gigabyte: which you actually need Unlimited is reassuring and hardly ever necessary. When each one pays off, what small print to read, and how to tell which group you're in. Nerea Aguilar 8 min 
Before you buy How much data work video calls use An hour-long meeting, screen sharing and sitting in a room with fifteen people don't cost the same. The figures, and how to get through a working day. Claudia Ferrán 6 min 
Before you buy Working while travelling: building a connection that won't leave you stranded One connection isn't enough when your work depends on it. How to build redundancy, how much data to allow for, and what to check on arrival. Claudia Ferrán 7 min 
Before you buy International SIM cards: what they are and when they're worth it A card that works in many countries sounds ideal and isn't always. How they work, what you pay, and when there are better options. Tomás Berruezo 5 min 
Before you buy Where to buy a travel SIM: the four options and their catches At the airport, in a shop in the country, online before you leave, or as an eSIM. What each one wins on and where the small print is. Tomás Berruezo 5 min 
Before you buy Prepaid credit or a fixed data plan: which suits you abroad One is spent as you use it and the other is fixed from the start. Which fits which kind of trip, and what to check so nothing surprises you. Tomás Berruezo 5 min 
Before you buy My SIM isn't working abroad: the checklist Eight checks ordered from most to least likely, which work the same for a physical card and for an eSIM. Bea Nogales 5 min 
Before you buy A local SIM per country or a regional plan: which wins on a multi-stop trip It depends on how many borders you cross and how many nights you stop in each place. The simple rule that settles almost every case. Rubén Ortega 5 min 
Before you buy How much data TikTok uses per hour It's the app that empties a data plan fastest, and the one you notice least while it happens. The figures, and the setting that halves them. Dani Requena 6 min 
Before you buy How much data Netflix and streaming series use on a phone Watching a series abroad on mobile data is the fastest way to finish off a plan. The figures, the settings, and what to download beforehand. Bea Nogales 5 min 
Before you buy How much data YouTube uses, by quality setting From 300 MB to over 2 GB an hour, and you pick the difference yourself in a menu. The figures by quality and how to set it up before you travel. Bea Nogales 6 min 
Before you buy How much data Spotify and music streaming use Less than you fear, and more than it looks on a road trip. The figures by quality, and why it's worth downloading before you leave. Dani Requena 5 min 
Before you buy How much data Instagram uses when you're travelling Reels and stories are what really empty a data plan. How much each part uses, and the settings that halve it. Dani Requena 7 min 
Before you buy ESTA, eTA, ETA and the rest: what electronic entry permits are They aren't visas and they can't be ignored either. What each one is, where to actually apply, and how not to overpay for it. Tomás Berruezo 6 min 
Before you buy Countries with internet restrictions: what to expect and what to prepare Some services don't work, others come and go, and the rules change. How to find out beforehand, what to prepare, and what not to promise yourself. Rubén Ortega 6 min 
Before you buy SIM card or eSIM: how they differ and which suits travelling It's the same line delivered two different ways. What actually changes when you travel, which phones take which, and which gives you fewer problems. Dani Requena 5 min 
Before you buy A month of travel: how much data you need and how to split it On long trips the sums break down: the countries change, the usage changes and so does your discipline. How to estimate it, when to buy in stages, and what to watch. Claudia Ferrán 7 min 
Before you buy What your operator charges outside the EU, and how to find out before you fly No guide can tell you your price, because it changes by plan and by zone. What it can do is show you how to look it up in five minutes. Dani Requena 7 min 
Before you buy You fly tomorrow and haven't thought about internet: here are your options You have hours, not days. The four possible ways out, ordered by speed, with how long each takes and what can go wrong. Dani Requena 6 min 
How it works An eSIM's APN: what it is and when you have to touch it You hardly ever need to, and when you do, nothing browses at all. What the APN is, where to change it, and why it isn't the eSIM's server address. Bea Nogales 5 min 
How it works eSIM on iPads and tablets: when it's worth it and how to install it Tablets with mobile connectivity have supported eSIM for years. When a plan of its own is worth it, and when tethering from your phone is better. Bea Nogales 5 min 
How it works Turning off, deleting or reinstalling an eSIM: three buttons that aren't the same One is reversible, one isn't, and the third depends on your provider. What each does and which one you want in each situation. Bea Nogales 5 min 
How it works Data-only eSIM or one with a number: which you actually need Most travel plans are data only, and for nearly everything that's enough. When you genuinely need a local number, and what the alternatives are. Dani Requena 5 min 
Before you buy One eSIM for two phones: what works and what doesn't A profile lives on one handset, but there are two ways for both of you to travel connected. Which one suits which kind of trip. Dani Requena 6 min 
How it works Tethering from an eSIM: when you can, and what it uses In most cases yes, and it uses more than people reckon on. How to switch it on, what limits it, and how much data to allow for. Dani Requena 6 min 
How it works How to check how much data you have left on your travel plan Your phone's counter and your provider's don't measure the same thing. Where to look for what, why they never match, and how to keep track without fretting. Bea Nogales 5 min 
How it works Changing phone with an eSIM installed: what you lose and what you don't The profile doesn't travel across with your photos. What to do before you set up a new handset, how the transfer works, and what happens if the old phone won't turn on. Bea Nogales 6 min 
How it works An eSIM's QR code: what it is, why it works once, and what to do if you lose it Inside that square there's a server address and a key. What they mean, why it can't be reused, and how to install without it. Bea Nogales 6 min 
How it works When to install and when to activate your eSIM: getting the timing right Installing and activating aren't the same thing, and confusing them costs days of your plan. What to do at home, what to leave for arrival, and what to check first. Dani Requena 7 min 
How it works Is an eSIM secure? What it protects, what it doesn't, and what's on you It can't be taken out of the phone, and that changes things for better and for worse. Which risks are real, which are myths, and what's worth having switched on. Dani Requena 6 min 
Before you buy Unlocked or locked to an operator: why it matters for an eSIM It's the second condition for installing an eSIM and the one most people find out about too late. How to check, how to unlock it and how long it takes. Dani Requena 6 min 
Before you buy How long 1 GB of data lasts when you're travelling A gigabyte goes a long way or lasts twenty minutes, and the only difference is video. What fits inside one, and when it falls short. Dani Requena 6 min 
Before you buy How much data Google Maps uses on a trip Far less than almost everyone thinks. How much it uses navigating, how much searching, and why downloading the map changes everything. Dani Requena 7 min 
Before you buy How much data WhatsApp uses: messages, calls and video calls Messages are practically free, calls cost little and video calls are another story. The figures, and what to switch off before you travel. Dani Requena 7 min 
Before you buy Which iPhones have eSIM, model by model Every iPhone from the XS onwards has eSIM, with caveats by generation and by country of purchase. What each one supports and how to check in twenty seconds. Dani Requena 6 min 
Before you buy Which Android phones have eSIM: Samsung, Pixel, Xiaomi and the rest On Android it depends on the model and on the country it was sold in. The families that have it, and the check that never fails. Dani Requena 6 min 
Before you buy Will I get my bank's text messages with a travel eSIM? Yes, as long as you leave your usual line active for texts. How to set it up, what can go wrong, and what to sort out before you leave. Dani Requena 6 min 
How it works Your usual SIM and a travel eSIM at once: how to set it up A compatible phone runs both lines switched on. What to pick for each, how it looks on screen, and the usual mistakes when setting it up. Dani Requena 7 min 
How it works The eSIM isn't working: the checklist, in order It's nearly always a setting and hardly ever the eSIM. Eight checks ordered from most to least likely, to sort it out in minutes. Dani Requena 7 min 
How it works Installing an eSIM on iPhone: the steps and the names that confuse people On iOS it's quick, and there are two screens where everybody hesitates. Which ones, what to choose on each, and how to set it up for your trip. Bea Nogales 5 min 
How it works Installing an eSIM on Android, step by step and with each brand's quirks The menu is called something different on every manufacturer, and that's where everyone gets stuck. Where it lives on each, and what to do if the option isn't there. Bea Nogales 5 min 
On the road Your everyday number and WhatsApp while you travel No, your number stays active. Here's what happens to calls, your bank's texts and WhatsApp, plus the three settings that prevent surprise bills. Nerea Aguilar 7 min 
How it works Install it at home, not at the airport Installing an eSIM needs a connection, and people find that out too late. A step by step guide to getting it ready at home and switching it on when you land. Dani Requena 7 min 
Before you buy How much data you actually use on a trip Almost everyone buys too much out of fear of running short. Here are the real figures per hour and per day, plus three habits that save data. Dani Requena 8 min 
Comparisons Roaming, eSIM or local SIM: which one suits your trip None of them wins every time. We compare all three on price, convenience and risk of a nasty surprise, with a specific recommendation for each kind of trip. Nerea Aguilar 9 min 
Before you buy How to tell whether your phone supports eSIM (and what to do if it doesn't) There are two conditions, and the second one catches almost everybody out. Here's where to look on iPhone and Android, and what to do if your phone is locked. Dani Requena 7 min 
Before you buy What an eSIM is, and how it differs from the SIM card you know An eSIM is a SIM card you download instead of one that gets manufactured. Here's how it works, what changes when you travel and which phones support it. Dani Requena 8 min Nothing on that topic yet.