Free eSIM for Romania: Try co:sim's Free Trial

If you're weighing a free eSIM for a trip to Romania, co:sim currently gives new users 1 GB of data valid for 7 days from first connection, usable across 33 European countries including Romania, for $0 at checkout. It installs the same way a paid co:sim plan does: a QR code by email, ready before you land at Bucharest's Henri Coandă Airport or Brașov's newer Ghimbav airport. It's a natural companion to co:sim's existing Romania buying guide, sized for a Transylvania road trip test run or a short Bucharest city break before you commit to a bigger plan.

This guide covers who Romania's free trial actually fits, why a road trip through Transylvania changes what you need from a data plan, what networks the eSIM connects to, and exactly how to claim and reload the offer before you go.

#Who is co:sim's free eSIM for Romania actually right for?

The free trial fits a specific set of trips well. A long weekend in Bucharest, a short stop in Brașov or Sibiu at the start of a longer Transylvania itinerary, or a first-time eSIM user confirming their phone works before buying a bigger plan are all good matches. It also works as a backup line alongside your regular carrier's roaming, so you have a second way online if one connection drops.

It's a poor fit for anything longer or heavier on its own. A multi-day Transylvania road trip covering Bucharest, Brașov, Sibiu, and Bran, a remote-work stay, or hotspotting a laptop for navigation and video calls will burn through 1 GB in a day or two. That doesn't mean starting over: because the plan is reloadable, you top up the exact same eSIM with more data mid-trip instead of claiming a fresh profile. Treat the free week as a taste test, then extend it or move to a bigger paid plan once you know what your route actually needs.

#Why does a Transylvania road trip need more thought than a city break?

Romania's road-trip appeal is real and well documented. Lonely Planet's guide to Romania recommends renting a car specifically because many of Transylvania's most interesting stops — Saxon villages, mountain passes, fortified churches — sit away from public transport routes, and notes that Brașov's Ghimbav airport, which opened in 2023, was the first new airport in Romania in 50 years, making a Bucharest-to-Transylvania loop easier to plan than it used to be.

A route like that changes what you actually need from a data connection: live navigation running for hours at a time, offline maps as backup where signal thins out in mountain passes, and the ability to look up a fortified church or guesthouse on the fly. That's a heavier, steadier draw than a city break's occasional maps-and-messaging use, which is exactly why the free trial is best treated as a way to confirm the eSIM works on your phone before you commit to a plan sized for the whole loop.

#What mobile networks will you connect to in Romania?

Romania's mobile market consolidated in late 2025, when Vodafone Romania acquired Telekom Romania's mobile business, leaving three national operators: Orange, Vodafone, and Digi. Per Romania's national telecom regulator, ANCOM, every mobile operator meets its regulatory obligation to cover at least 98% of Romania's population with voice signal — Orange and Telekom both measured at 98.5%, Vodafone at 98.4%, in the regulator's most recent published campaign. co:sim's free eSIM, like every co:sim plan, connects automatically to this same mainstream infrastructure rather than a separate, lower-tier network.

Coverage is strongest in Bucharest and the larger Transylvanian cities — Brașov, Cluj-Napoca, Sibiu — with the usual thinner signal on high mountain passes like the Transfăgărășan, a gap that affects every operator, not something specific to any one eSIM.

#How do I claim and install co:sim's free eSIM for Romania?

The offer is straightforward: 1 GB of data, valid for 7 days starting from your first connection (not from the moment you claim it), usable across Romania and 32 other European countries on one eSIM profile. You provide an email at checkout, and the QR code plus install instructions arrive within seconds.

A valid card is collected at checkout for identity verification, to stop one person claiming multiple free eSIMs under different emails. Nothing is charged. That's standard practice for $0 offers industry-wide, not a co:sim-specific catch, worth knowing so the request doesn't feel like a bait-and-switch.

You have 30 days from claiming the offer to install and activate it. Install it before you fly using your phone's Settings menu, and it sits ready until you land and connect for the first time in Romania, which is when the 7-day clock actually starts. If your trip runs longer or you want more data, the same eSIM tops up from your account dashboard rather than needing a fresh profile or a second install.

Claim co:sim's free eSIM for Romania →

#Is 1 GB enough data for a trip to Romania?

For maps, messaging apps, and light browsing over a long weekend in Bucharest, 1 GB is usually enough. It gets tight fast on a road trip: live turn-by-turn navigation running for hours, video calls, or streaming can use 700 MB to 1 GB in a single hour, so one long mountain drive with navigation running the whole way can burn the entire allowance on its own.

Here's how the free trial compares to sizing data for a longer or heavier Romania trip:

That last row matters for Romania's non-EU/EEA visitors. According to reporting on 2025 tourism spending in Romania, the United States and the United Kingdom rank among the largest contributors to foreign tourist spending, alongside Germany and Italy — and neither the US nor the UK gets the EU's "Roam Like at Home" free-roaming allowance in Romania, unlike a visitor arriving from an EU country. For those travelers, a free or paid Romania eSIM replaces a real roaming cost rather than just adding convenience.

#FAQ

#Does co:sim's free eSIM work along a full Transylvania road trip route, not just in Bucharest?

Yes. The free eSIM runs on Romania's mainstream mobile infrastructure — Orange, Vodafone, and Digi — the same networks that carry co:sim's paid Romania plans, rather than a separate, lower-tier network. Romania's telecom regulator confirms every operator covers at least 98% of the population, with strong coverage in Bucharest and the main Transylvanian towns along a typical Brașov-Sibiu-Bran route, and the usual thinner signal on remote mountain passes that affects every provider equally. It's not a Bucharest-only offer; it works anywhere in Romania your phone would normally pick up a mobile signal.

#Should I claim the free trial or go straight to a bigger plan for a Transylvania road trip?

It depends on how confident you already are that the eSIM will work smoothly on your phone. If this is your first co:sim eSIM, claiming the free 1 GB / 7-day trial first lets you confirm the install and connection process on home Wi-Fi with nothing at stake, then reload the same eSIM with a bigger plan once you know it works — no second install needed. If you already know your route and data needs (for example, hours of daily navigation across several days), going straight to a Romania plan sized for the whole trip avoids topping up mid-drive.

#Is co:sim's free eSIM for Romania really free, or will I be charged later?

The order total is $0, and nothing is billed after checkout. A card is collected at the point of claiming purely to verify you're a real, unique person who hasn't already claimed the same offer under a different email; this identity check is standard across the free-trial industry, not a delayed-charge mechanism specific to co:sim. Because the total is $0, the free eSIM sits outside co:sim's standard refund window the same way any free item does — there's simply no charge to refund. It carries a real 30-day install-and-activate deadline from the moment you claim it, after which an unused offer is automatically cancelled the same way an unused paid eSIM would be past its own deadline.

#Can I extend the free eSIM instead of claiming a new one when it runs out?

Yes. co:sim's free eSIM for Romania is reloadable, meaning the same installed profile keeps working after you add more data or extend its validity rather than expiring into a dead end. Once the free 1 GB or the 7 days runs out, whichever comes first, you top up the existing eSIM with a paid data package from your account dashboard, and it picks up where the free trial left off on the same connection — no new QR code, no second profile taking up a slot on your phone. This matters most on a road trip that runs longer than planned, or one that extends into a neighboring country on the same 33-country plan.

#Do I still need a local SIM card if I claim the free eSIM?

No, not for data. The free eSIM is a complete, working data connection on its own: installed as a QR code before departure and activated automatically the moment you land and connect in Romania. It's data-only, meaning it doesn't include a phone number for calls or SMS over the cellular network, but messaging apps like WhatsApp, iMessage, or FaceTime work fine over its data connection, covering most travelers' actual communication needs. The one case where a physical local SIM still matters is if you specifically need a Romanian phone number, for example an SMS verification code that won't accept a foreign number. Outside that narrow case, the free eSIM replaces a local SIM for internet access entirely.

Haven't claimed it yet? Claim co:sim's free eSIM for Romania → — the QR code arrives by email within seconds.

Ready to size a plan for the rest of your trip once the free week is over?

Browse co:sim's Romania eSIM plans →