Uma aplicação, controlo total.
Faça a gestão dos seus planos, dos seus dados e do seu eSIM a partir do seu telemóvel, onde quer que esteja.
Que viajantes quais são as perguntas que mais nos fazem?
Yes. The LATAM plan covers Argentina and 14 other countries, including Uruguay, Chile, and Brazil, and your phone switches networks by itself at the border. Choose it over an Argentina-only plan if a Colonia day trip, the Mendoza to Santiago crossing, or the Brazilian side of Iguazú is on the route. Details in does a region plan cover every country in it?
In Argentina your plan connects to Claro on 4G LTE, which handles maps, messaging, video calls, and streaming; 5G is not part of this plan. Your phone joins the network automatically once the plan is switched on. If it hasn't connected a minute after landing, work through the no-signal checklist.
In El Chaltén and El Calafate, yes; on the trails out of them, no, on any network. Download offline maps and your bookings before you start, and let people know when you'll be back in range.
Uber and Cabify work with your home number over the plan's data. Mercado Pago's QR payments need an Argentine account, so most visitors pay by card and carry some cash instead. An Argentina plan is data only; your home number keeps working on your home SIM.
It depends on how much data you want and how many days you're staying. A fixed plan costs less overall; an unlimited plan (5 GB a day at full speed, then slower) works out to a lower daily rate the longer you stay. Every current option and price is in the plan selector at the top of this page.
In the app: open My plans, choose your Argentina plan, and tap Top up. The extra data lands on the same eSIM within a few seconds, with nothing new to add or scan. Full steps are in topping up data without reinstalling the eSIM.
Weeks ahead. The plan's days don't start until you turn it on and connect, so a plan bought a month before departure is still complete when you land. Plans need to be activated within 90 days of purchase. See what plan validity means and when it starts.
If it's eSIM-compatible and carrier-unlocked, yes, which covers most phones sold since 2019. The one-minute check for iPhone, Android, and Samsung is in is my phone eSIM compatible?
Argentina eSIM for Buenos Aires, Patagonia, and the border crossings
Set it up before you fly. It's live the moment you land, nothing to check, nothing to remember.
Already with us? Get the app on the App Store or Google Play.
Argentina is a country of long distances and payment apps, and the arrivals hall at Ezeiza is a bad place to be without either. The best eSIM for Argentina is the one added at home, on Wi-Fi, so that the transfer into Buenos Aires, the SUBE top-up, and the first steak booking all happen on a phone that is already connected.
Below: how an Argentina plan works, how to set it up before you fly, what to expect in Buenos Aires and on the way to Patagonia and Iguazú, and which plan fits when the trip crosses into Uruguay, Chile, or Brazil.
A South American trip is usually long, and it usually crosses a border or two. KnowRoaming is built for that. You add the KnowRoaming eSIM, called KR.One, to your phone once, then add a plan per trip: Argentina now, a LATAM plan the year the route runs through three countries, anywhere else after that. The eSIM stays; only the plan changes.
The plan's days start when you turn it on and connect in Argentina, not at checkout. Buy it weeks ahead, add it at home, and a delayed flight costs you nothing. The full rule is in what plan validity means and when it starts.
Choose a fixed plan for a set amount of data at the lowest overall price, or an unlimited plan when you'd rather not count. Unlimited plans give you 5 GB a day at full speed, then a slower speed until the allowance resets the next day. If a fixed plan runs low, top up in the app and the extra data lands on the same eSIM.
See it in two minutes: Meet KR.One, iPhone setup with KR.One, or Samsung setup with KR.One.
Do this at home on Wi-Fi. It takes about a minute.
Before you leave
- Get the KnowRoaming app (available on iOS and Android) and choose your Argentina plan.
- Tap Add. First time on this phone? The app adds KR.One and your Argentina plan together. Already have KR.One? Only the plan is added, with nothing to scan.
- Leave data roaming off on the KnowRoaming line until you land, and turn it off on your home line too so it doesn't run up charges in the background. Steps are in turning off roaming on your home line.
When you land
- Turn the plan on in the app, then turn data roaming on for the KnowRoaming line. That setting lives in your phone, so the app can't flip it for you.
- Give the phone a minute to find the network. If nothing happens, turn airplane mode on for 30 seconds and off again.
Prefer a QR code? The checkout page and your confirmation email both carry one; scan it from your phone's settings. Every tap, by device, is in adding your eSIM on iPhone, adding your eSIM on Android, and adding your eSIM on Samsung, or watch the iPhone QR walkthrough or the Samsung QR walkthrough. Still no signal after landing? Work through the no-signal checklist.
Ezeiza is about 35 km from the center; the Tienda León bus and pre-booked taxis take about 45 minutes to an hour depending on traffic. Aeroparque, the domestic airport, sits inside the city. Uber and Cabify work with the phone number you already have; the apps only need data.
Paying is where the phone matters most. Cards are accepted widely, Mercado Pago QR codes are everywhere but need an Argentine account, and cash pesos still help in markets and small towns; ATMs have low limits and high fees, so many visitors bring some dollars to change. Buses and the Subte run on the SUBE card, sold at kiosks and topped up in the SUBE app.
Distances are the defining fact. El Calafate, Ushuaia, Bariloche, Mendoza, Salta, and Puerto Iguazú are each a domestic flight from Buenos Aires or an overnight bus, and the long-distance buses are comfortable enough that many people take them. Download the films, the maps, and the bookings before a 14-hour ride.
The trails are another matter. The Fitz Roy paths from El Chaltén, the glacier walks near El Calafate, and the high passes of the north-west have no signal on any network. Claro's 4G covers the towns at each end; the plan is for getting there, booking, and calling home, not for the hike itself.
A lot of Argentina trips leave the country for a day. The Buquebus and Colonia Express ferries cross to Colonia and Montevideo in Uruguay; the Mendoza to Santiago road crosses the Andes into Chile; the Brazilian side of Iguazú is a taxi ride from Puerto Iguazú. All three countries are on the LATAM plan, 15 countries on one plan, and the phone switches networks by itself at the border. An Argentina-only plan stops at the border, so choose the LATAM plan if any of those crossings is likely, or add a plan for that country to the same eSIM before you go. Read do I need a new plan for every country? for the detail.
Buenos Aires runs late. Dinner starts at ten, tango shows book online and start later still, and a football match at La Bombonera or the Monumental is arranged through an agency or a club membership scheme rather than at a ticket window. All of it is organized on the phone, often the same day.
Palermo, San Telmo, and Recoleta are the neighborhoods most visitors move between, by Subte, by bus with a SUBE card, or by an Uber booked from the restaurant table. Sunday's San Telmo market and the Recoleta cemetery are walkable; the rest is a ride, and the ride is an app.
Your plan connects to Claro on 4G LTE. There is no 5G on this plan. Coverage is strong in Buenos Aires, the provincial capitals, and along the main highways, and it holds in the tourist towns of Patagonia and the north-west. Your phone picks the network automatically once the plan is on; there is nothing to choose by hand.
Between towns in Patagonia and on the mountain routes, expect long stretches with no signal on any network. Treat the drives and the hikes as offline and save what you need the night before.
Most phones sold since 2019 support eSIM, including iPhone XS and later and most Android flagships from the same window. Check yours before you add a plan; it takes a few seconds. On iPhone, go to Settings, General, About and look for an EID or Available SIM. On Android, go to Settings, Network & Internet, SIMs and look for an option to add an eSIM. On Samsung, dial *#06# and look for an EID.
Your phone also needs to be carrier-unlocked. If you're not sure, carrier-locked vs unlocked: how to tell shows you where to look.
Adding an Argentina plan doesn't touch your regular SIM. Calls and texts on your usual number keep working exactly as before. The new plan handles data while you're there, and most phones run both at once without you doing anything else. Bank codes and two-factor texts still arrive on your home number, as long as that line stays switched on.
For South America the alternatives are your home carrier's roaming rate, often unavailable outside the capital; a local SIM that means paperwork, a local number, and a queue; or hostel Wi-Fi that is fine until you're on a bus. An Argentina plan added at home beats all three: one price agreed before you fly, live the second you land, and a LATAM plan if the route crosses borders.
Real travelers rate KnowRoaming 4.5 out of 5 on Reviews.io. More than a decade in travel connectivity, more than 200 destinations, and support that doesn't clock off: WhatsApp and live chat, any time, any day.
One plan. No roaming surprises. Live the moment you land.
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4.5 out of 5 on Reviews.io. 200+ destinations. Support that doesn't clock off.
Destinos de sonho, dados em tempo real.
Very easy to set up.
Iviwe
Cape Town, ZA
i had no issues. however i am moving to a provider that provides 365 packages at reasonable rates. u dont do that currently. also because im buyinhg on mtn which is using u u are getting my support bec its easier. u have to offer better packages. also i was charged 20% more than the advertized rate, i am currently in dispute with mtn.
Siki
Great service
Edmond N