Here is a small confession from years of living in Spain and traveling all over Europe and beyond: the thing that used to stress us out most on a trip was never the flights, the language, or the driving. It was the phone. That sinking moment of landing in a new country, switching off airplane mode, and either watching the roaming charges start ticking or, worse, seeing no signal at all right when we needed a map, a train time, or a quick call home. If you have ever stood in a foreign airport jabbing at your phone trying to work out why it will not connect, you know the exact feeling we mean, and you know it can color the whole first day of a trip.
These days that entire problem is simply gone, and it comes down to one small thing we set up before we leave home and then never think about again: a travel eSIM. We use Holafly, and after more trips than we can count, it has quietly become the single most useful piece of travel tech we own. If you still buy a local SIM card at the airport, or just pay whatever your home carrier charges for roaming and hope for the best, this is the upgrade that makes international travel noticeably calmer. Here is what an eSIM actually is, why the unlimited data matters so much, the backup feature that genuinely surprised us, and exactly how we set it up.
What an eSIM Actually Is, in Plain Language
If the word eSIM makes your eyes glaze over, stay with us, because it is far simpler than it sounds. An eSIM is just a digital SIM card. Instead of a tiny plastic chip you pop in and out of a tray with a paperclip, it is a data plan you install directly onto your phone from an app or a QR code, usually in a couple of minutes. There is nothing to pick up at a shop, nothing to physically swap, and nothing to lose down the side of a hotel bed. You set it up before your trip, and your phone connects to a local network the moment you land, the same way it does at home.
The best part is that you almost certainly already have the technology for it. Most modern smartphones support eSIMs, so if you are carrying a reasonably recent iPhone or a recent Samsung or other Android phone, the capability is sitting in your pocket right now, waiting to be used. There is no special gadget to buy, no adapter, and no trip to a phone store to stand in a queue. The phone you already own does all of it. For a lot of travelers in our age group who assume this kind of thing is complicated or only for the tech-savvy, that is the happy surprise: it is genuinely easy, and once you have done it once, you will wonder why you ever wrestled with airport SIM kiosks or roaming bills.
Get your Holafy eSIM here with the best discount for your next trip.
Why Unlimited Data Is the Thing That Actually Matters
Plenty of companies sell travel eSIMs now, so the real question is what to look for, and for us the answer became obvious fast: unlimited data. Holafly plans come with unlimited data, which means instead of trying to guess how many gigabytes you will burn through on a trip, an impossible thing to predict, you simply pick the number of days you need the plan for and then stop thinking about it. We use maps constantly, make video calls home, run translation apps, upload photos, look up restaurants, and stream something in the hotel at night, all without once watching a data meter or rationing our usage to make an allowance stretch.
That freedom is the whole point, because on a trip your phone is your map, your guidebook, your translator, and your lifeline home all at once, and running out of data in the middle of an unfamiliar city is exactly the kind of small disaster that can ruin an afternoon. Unlimited data takes that worry off the table completely.
One honest note for fairness: like most unlimited travel plans, Holafly’s is subject to a fair-use policy, which can slow your speed if you use an extreme amount of data, so it is unlimited in the everyday sense rather than a license to replace your home broadband. For normal travel use, though, navigating, messaging, calling, browsing, and the odd bit of streaming, we have never felt limited. And because a single Holafly eSIM works across more than two hundred destinations, a trip that crosses several countries does not mean juggling a handful of different SIM cards either. One eSIM covers the whole journey, which for us has meant hopping from Spain to France to Italy on a single plan without a second thought. For the kind of multi-country European trip a lot of our readers dream about, that alone is a quiet relief, because the old way meant a new SIM and a new fiddle at every border.
The Backup Feature Nobody Else Talks About
Here is the part that genuinely surprised us and the reason we now recommend Holafly specifically rather than just eSIMs in general. Every Holafly eSIM comes with a feature called Always On, which gives you one gigabyte of free backup data every single month, included at no extra cost, across more than a hundred and fifty countries. It sits there quietly in the background as long as you keep the eSIM installed on your phone.
It does not sound like much until the exact day you need it, and then it feels like a small miracle. Picture the scenarios every traveler eventually hits. Your main plan runs out a day earlier than you expected. Your flight home gets delayed and your trip stretches a little longer than you planned for. You land on an unexpected layover in a country you had not counted on.
In any of those moments, Always On keeps you connected with that free monthly backup data, so you are never left completely stranded with a dead, signal-less phone in a foreign place. For a generation of travelers who grew up with a real fear of exactly that situation, being cut off and unreachable somewhere unfamiliar, it is a genuinely reassuring safety net, and the fact that it is simply included, working away in the background without you having to do anything, is what won us over for good.
Get your Holafy eSIM here with the best discount for your next trip.
How We Actually Set It Up
The whole reason this has stuck for us is that the routine could not be simpler, so let us walk you through exactly what we do, because seeing the steps usually dissolves any remaining hesitation. Before a trip, we buy the plan for the number of days we will be away. Then, while we are still at home on our own wifi, we install the eSIM straight from the app, which takes two or three minutes and involves nothing more complicated than following the prompts. We then leave the eSIM switched off until we actually land at our destination.
The moment we touch down and turn on mobile data, we are connected. No hunting for an airport SIM kiosk with a queue, no fiddling with a tiny plastic chip, no roaming surprise waiting on next month’s bill, no asking a cafe for a wifi password just to find our hotel. We honestly spend more time choosing where to have dinner than we do setting this up.
For anyone who has ever felt that particular traveler’s anxiety of arriving somewhere new and disconnected, the feeling of stepping off a plane already online, with maps, messages, your ride, and everything else just quietly working, is a small but real pleasure that sets the tone for the whole trip. You walk out of the airport like a local instead of standing in the arrivals hall frowning at a phone with no bars, and that calm first hour has a way of rippling into the rest of the day.
Get your Holafy eSIM here with the best discount for your next trip.
eSIM Versus the Old Ways of Staying Connected
It helps to see why an eSIM wins by comparing it to the two things most travelers do instead, because the contrast is stark once you lay it out. The first old method is simply using your home carrier’s international roaming. It is the path of least resistance, you do nothing and your normal phone just works abroad, but it is often brutally expensive, with daily fees or per-megabyte charges that can turn a two-week trip into a genuinely shocking phone bill. Plenty of travelers have come home from a lovely holiday to a bill that soured the memory, and the worst part is the uncertainty, never quite knowing what the final number will be until it lands.
The second old method is buying a local SIM card once you arrive. It is cheaper than roaming, but it means finding a shop at the airport or in town, often queuing, sometimes navigating the whole transaction in a language you do not speak, handing over your passport, and physically swapping out your home SIM, which you then have to keep safe and remember to swap back. You also lose your home number while that foreign SIM is in, so calls and texts to your usual number vanish until you switch back. An eSIM sidesteps every bit of that friction.
You set it up at home in advance, in your own language, at your own pace, your home SIM stays put so you keep your normal number for anything important, and you land already connected with nothing to buy or swap on arrival. Once you have felt the difference, the old ways start to feel genuinely archaic, like printing out paper maps for a road trip.
Is It Worth It? Our Honest Take
So is a travel eSIM actually worth bothering with, or is it one more thing to overthink? For us the answer is an easy yes, and here is the honest reasoning. If you travel internationally even a couple of times a year, the combination of unlimited data and the Always On backup removes the single most common and most stressful friction of modern travel, the connectivity scramble, for a cost that is typically a fraction of what old-fashioned roaming used to pile onto your phone bill. The peace of mind alone, knowing you will land connected and will not be stranded if your plans shift, is worth a great deal on a trip you spent real money and real anticipation on.
It is not magic, and we would not pretend otherwise. The unlimited data is subject to that fair-use policy, you do need a reasonably modern phone that supports eSIMs, and like any single eSIM purchase you download a new one for a new plan. But none of that has ever been a real obstacle for us, and the upsides, arriving online, never rationing data, and having a free backup when things go sideways, have made it a permanent part of how we travel. If you have been curious about eSIMs but quietly assumed they were complicated, or only for younger, tech-heavy travelers, let us put that worry to rest: they are genuinely easy, the setup is a few taps, and they are genuinely worth it. We are not gadget people, and we find this one of the most painless pieces of travel tech we have ever adopted, which is exactly why it has lasted.
Get your Holafy eSIM here with the best discount for your next trip.
If you want to try it for yourself, grab a Holafly eSIM before your next trip and set it up the simple way we described, at home, before you go. Unlimited data, the Always On backup for peace of mind, and one eSIM for wherever you are headed. You can get yours here: HOLAFLY eSIM, and use code Gamintraveler at checkout to get connected. Safe travels, and may you never again stand lost and offline in an airport.
About the Author: Ruben, co-founder of Gamintraveler.com since 2014, is a seasoned traveler from Spain who has explored over 100 countries since 2009. Known for his extensive travel adventures across South America, Europe, the US, Australia, New Zealand, Asia, and Africa, Ruben combines his passion for adventurous yet sustainable living with his love for cycling, highlighted by his remarkable 5-month bicycle journey from Spain to Norway. He currently resides in Spain, where he continues sharing his travel experiences with his partner, Rachel, and their son, Han.