← Part of the Germany money guide
Staying connected in Germany.
German mobile coverage is strong, including in small towns and much of the countryside, so the real decision is how you pay for data rather than whether you will have any. The one place it reliably disappoints is the long-distance train.
At a glance
Coverage
Strong, including small towns
Carrier roaming
$10 to $12 a day
Cheapest
A travel eSIM, a few $ per GB
Signal gaps
Long-distance ICE trains
Coverage is strong across Germany, small towns included, so this is mostly a cost question. Your US carrier charges about 10 to 12 dollars a day to roam (AT&T and Verizon day passes), and T-Mobile is worth checking before you buy anything, because its current mid and upper tiers include a real high-speed allowance abroad, from 5GB up to 30GB depending on plan, and only slow to 256kbps after that. A Nomad eSIM is a few dollars per gigabyte, activates before you fly and works on landing, so for a data-first trip it is the cheaper option. If you are travelling rurally or by ICE train, favour an eSIM that rides Deutsche Telekom, which has the most consistent reach. Never roam pay-per-use, which runs about 2 dollars a megabyte.
A cost question first
Germany's networks are good in the places you will be, so the decision is how you pay. The expensive default is roaming on your US plan: AT&T and Verizon charge about 10 to 12 dollars a day, so a week runs 70 to 84 dollars and a two-week trip is most of a nice dinner in Munich. T-Mobile is the exception worth checking first: its current tiers include a genuine high-speed allowance abroad, roughly 5GB on Experience More, Magenta MAX and Go5G Plus, 15GB on Experience Beyond and Go5G Next, and 30GB on Better Value, slowing to 256kbps only once that is used up. The entry Essentials tier is the one throttled from the start. Google Fi and Visible set their own terms, so read your own plan rather than assuming.
Whatever you choose, do not roam with no plan at all. Pay-per-use data runs around 2 dollars a megabyte, which is thousands per gigabyte, and phones quietly use data in the background, so turn off data roaming until an eSIM or a day pass is active.
Why an eSIM is usually cheapest, and which network to want
A travel eSIM is the cheapest way for most visitors to get real data in Germany. A Nomad eSIM is a few dollars per gigabyte, well under day-pass pricing, and it activates before you fly and works from landing, with no shop visit and no German paperwork. Your US number stays reachable on your normal plan while the eSIM carries the data, which is what most people actually want.
In a city, the network behind the eSIM barely matters. Outside one it does. Deutsche Telekom has the strongest and most consistent nationwide reach, including small towns, the Alps and the Black Forest. Vodafone is a close second and is strongest in the west. O2 has closed much of its old rural gap but still trails outside the cities. So if your trip is city-to-city, any of them is fine; if you are driving through the countryside or spending days on trains, favour a Telekom-backed plan. One more thing worth checking before you buy: if your trip continues into other European countries, a regional plan often costs barely more than a Germany-only one.
The train is the weak spot
The famous German connectivity complaint is not the countryside, it is the long-distance train. ICE routes run through long tunnels and open rural stretches where signal drops in and out, and a call on a fast train between cities is a coin flip regardless of which network or eSIM you are on. The trains carry free onboard wifi, branded WIFIonICE, which helps for messaging and email though it is shared with a carriage full of other people and is not something to stake a video call on.
So plan around it rather than paying to fix it: download offline maps, tickets, boarding passes and anything you want to read before you board, and keep your DB Navigator tickets available offline. The same habit covers a rural drive or a hiking day in the Alps or the Black Forest. In town you will have fast 4G and 5G in the bigger centers, and public wifi is common in cafes and hotels. This guide is written for US travelers departing the US. For more, see cash or card in Germany, driving and tolls in Germany, and the Germany money guide.
Common questions
Quick answers.
Is an eSIM cheaper than roaming in Germany?
For most US travelers, yes. A Nomad eSIM is a few dollars per gigabyte, against about 10 to 10 to 12 dollars a day for an AT&T or Verizon roaming pass, so a week of roaming costs roughly 70 to 84 dollars where an eSIM with a sensible data allowance costs a fraction of that. Set it up before you fly and it works from landing.
How much does it cost to use my US phone in Germany?
About 10 to 12 dollars a day on an AT&T or Verizon day pass, so roughly 70 to 84 dollars a week. T-Mobile is worth checking first, since its current mid and upper tiers include 5GB to 30GB of high-speed data abroad before slowing to 256kbps. Never roam with no plan at all, since pay-per-use runs about 2 dollars a megabyte.
Which German network has the best coverage?
Deutsche Telekom, with the most consistent nationwide reach including small towns, the Alps and the Black Forest. Vodafone is a close second and strongest in the west, while O2 has closed much of its old rural gap but still trails outside the cities. For rural travel or long train days, favour a Telekom-backed eSIM.
Why does my phone lose signal on German trains?
Long-distance ICE routes pass through long tunnels and rural stretches where coverage is patchy, and it affects every network. The trains carry free onboard wifi, which helps for messaging, but download maps, tickets and reading material before you board rather than relying on either.
More on Germany
The little money things nobody warns you about.
- Taxis in Germany, and the FreeNow appGerman taxis are metered, regulated and honest, so there are no games to watch for. Install FreeNow, know that the S-Bahn usually beats a taxi from the airport, and round up to tip. Here is how it works.
- Do I need cash in Germany, or can I use cards?Short answer: more cash than the rest of Western Europe. Germany is card-friendly in larger shops and hotels, but a surprising number of everyday places take only cash, so carry euros. Here is how to handle it.
- Tipping in GermanyGermany has a real but modest tipping custom called Trinkgeld, and one habit that surprises visitors: you tell the server the total you want to pay, rather than leaving coins on the table. Here is how it works.
- Bringing your dog or cat to Germany.Germany is one of the most common EU destinations for US pet owners, and there is nothing Germany-specific to fear at the border. It runs on the single EU pet-entry process: microchip, rabies in the right order, and an EU health certificate on a 10-day clock. No quarantine, no rabies titer. Here is what that means for Germany, and the local parts worth knowing.
- Driving in Germany: tolls, stickers and finesGermany is one of the cheapest countries in Europe to drive through, because there is no motorway toll for cars at all. The cost that catches visitors is much smaller and much easier to trip over: a windscreen sticker for city centers.
Sources, and how this was checked
Last checkedJul 2026
- T-Mobileinternational roaming pages listing the high-speed data allowance by plan tier
- Verizoninternational travel pages, TravelPass rate and the North America inclusion
- Tom's Guidea 2026 comparison of US carrier international roaming plans and day-pass prices
- US State DepartmentGermany country information and local conditions for US travelers
Our own readCarrier prices and inclusions change with your exact plan, so treat the day-pass figures as a July 2026 snapshot and check your own account before you fly. The network ranking and the ICE train caveat are the True Trip Costs desk's read from coverage reporting and traveler accounts rather than one official table. Checked Jul 2026. Corrected on 31 July 2026, and worth saying what changed. This page previously quoted a flat 12 dollars a day for a carrier day pass and described T-Mobile's included roaming as slow 2G that could not handle maps. Both were wrong in the same direction, the direction that flatters the eSIM we earn a commission on. On price, 10 dollars a day is the current eligible-plan rate for both AT&T's International Day Pass and Verizon's TravelPass, with 12 dollars applying to AT&T's non-eligible plans, so the honest figure is a range. On T-Mobile, its own roaming pages now list a real high-speed allowance abroad, 5GB on Experience More, Magenta MAX and Go5G Plus, 15GB on Experience Beyond and Go5G Next and 30GB on Better Value, dropping to 256kbps only after that, with the entry Essentials tier the one throttled from the start. We have rewritten the figures and the T-Mobile description throughout and cite the carriers directly. Carrier terms move faster than anything else we cover, so check your own plan rather than trusting this paragraph.
How we checkHow every guide is researched, checked and dated