Updated September 28, 2026 · NomadCue Editorial Team
1&1 (1und1) vs Truely
1&1 (1und1)
Truely
Higher score in this comparison
Where 1&1 (1und1) and Truely differ
| Compare | 1&1 (1und1)ReviewSee alternativesSee alternatives | TruelyReviewSee alternativesSee alternatives |
|---|---|---|
| Price from | €9.99 | $2.09 |
| Countries covered | 33 | from 190 |
| Fair use policy | Roaming fair use: use must show ordinary residence in Germany, otherwise roaming surcharges apply; after the plan's high-speed volume is used up data continues unlimited at 64 kbit/s; Unlimited XL includes 61.2 GB/month in the EU, then 1.31 EUR/GB | Speeds reduced to 512 Kbps after 5 GB/day; data stays unlimited and resets daily |
| Networks | 1&1 Mobilfunknetz (Open RAN), Telefonica Germany (national roaming) | T Mobile, US Cellular, Verizon Wireless |
| Seller type | Carrier | Marketplace |
| Hotspot sharing | Not confirmed | Yes |
| Reference plan prices | Not confirmed | US from $2.62/day; UK from $2.62/day; Japan from $2.62/day; Thailand from $2.09/day; Turkey from $2.62/day; Mexico from $11.99/day; France (Europe) from $2.62/day; UAE from $4.18/day |
| 10 GB in Europe | €9.99 | Not confirmed |
Same on both: Unlimited data (Yes), 5G (Yes), Top-ups (Yes).
We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings. Partners with a live offer in your country come first, then every other brand by score.
Key differences
- Truely scores higher overall: 9.5 vs 9.2.
- Networks: only 1&1 (1und1) offers 1&1 Mobilfunknetz (Open RAN), Telefonica Germany (national roaming).
- Networks: only Truely offers T Mobile, US Cellular, Verizon Wireless.
- Support channels: only 1&1 (1und1) offers Phone.
- Region: only 1&1 (1und1) offers Regional.
- Region: only Truely offers Global.
- Features: only 1&1 (1und1) offers Carrier plan.
- Features: only Truely offers Hotspot.
- Audience: only Truely offers Long trip.
Our verdict on each
1&1 (1und1)
1und1 is a German mobile carrier, not a travel eSIM, so it suits readers who live in Germany and want a home plan that still works abroad. Its flat rate adds unlimited data, subject to a fair use policy, plus 5G and instant activation, and roaming spans 33 countries from €9.99.
Truely
Truely suits travelers who want a single unlimited plan across a wide list of countries instead of a fixed data cap. Plans start at $2.09, activation is instant, and from 190 countries puts coverage well past the site median of 74 for esims.
Score breakdown
| Area | 1&1 (1und1) | Truely |
|---|---|---|
| Cost | 9.0 | 9.7HigherEntry price of $2.09 sits under the €5 site median, while daily reference rates run higher in some destinations such as Mexico. |
| Offer | 9.1Flat rate bundles unlimited data, 5G and instant activation from €9.99, and top-ups are available. | 9.2Higher |
| Trust | 9.8 | Not confirmed |
What we checked
1&1 (1und1)
- 1und1.de: 7 facts, checked September 26, 2026
- mobile.1und1.de: 6 facts, checked September 26, 2026
- unternehmen.1und1.de: 3 facts, checked September 26, 2026
Truely
- truely.com: 16 facts, checked September 26, 2026
- help.truely.com: 1 fact, checked September 26, 2026
How they place
| Ranking | 1&1 (1und1) | Truely |
|---|---|---|
| Travel SIMs and eSIMs | 156 of 926 | 109 of 926 |
| Travel eSIMs | 164 of 918 | 118 of 918 |
Every fact side by side
| Fact | 1&1 (1und1) | Truely |
|---|---|---|
| Region | Regional | Global |
| Features | Unlimited data, 5G, Instant activation, Carrier plan | Unlimited data, 5G, Hotspot, Instant activation |
| Pricing model | Not confirmed | Marketplace |
| Audience | Short trip | Short trip, Long tripCovers more |
| Legal entity | 1&1 Telecommunication SE | Truely Pte. Ltd. |
| Headquarters | Germany | Singapore |
| Founded | 1988 | Not confirmed |
| Support channels | Email, Chat, Phone, Help centreCovers more | Email, Chat, Help centre |
Where each stands against the rest
| Fact | 1&1 (1und1) | Truely | Median |
|---|---|---|---|
| Countries covered | 33lowest quarter | from 190above the median | 120 |
| 10 GB in Europe | €9.99below the median | Not confirmed | €12 |
Median across 492 listed travel providers.
Pros and cons
1&1 (1und1)
Pros
- Unlimited data, 5G and instant activation sit in one flat rate from €9.99, and the fair use policy says what happens after the high-speed volume is used up.
- Support runs on email, chat and phone, so help comes from the carrier itself.
- Top-ups are available, and regional reach suits a short trip away from Germany.
Cons
- Roaming spans 33 countries, well short of Zwitchy at 200.
- The fair use policy requires an ordinary residence in Germany, so the roaming offer does not suit visitors without a German home.
- The €9.99 price sits above the site median of €5, and it is a carrier home plan rather than a travel eSIM.
Truely
Pros
- Coverage of from 190 countries, well past the 74 median for esims
- Unlimited data on the plan, with the fair use policy slowing speeds after a daily allowance that resets each day
- Prices start at $2.09, below the €5 site median
Cons
- The fair use policy slows speeds after a daily allowance, so unlimited data does not mean full speed all day
- Truely sells as a marketplace, so the host network can differ between destinations
- Support runs on email, chat and help centre only, with no phone line in that list
Who each suits
1&1 (1und1)
Who it suits
- German residents taking short trips who want one plan at home and abroad.
- Travellers who want unlimited data with 5G and instant activation under a single contract.
- Readers who already buy from a German carrier and would rather add roaming than buy a travel pass.
Who should look elsewhere
- Visitors with no German residence, because the fair use policy ties roaming to an ordinary residence in Germany.
- Readers who need broad coverage, who will find more countries at Zwitchy with 200.
- Price-first shoppers, since eSIMGo.is starts at $0.99.
Truely
Who it suits
- Travelers whose trips are short trip and long trip and who would rather not count gigabytes
- People visiting the US, UK, Japan, Thailand, Turkey, France or the UAE, where reference day rates differ widely
- Anyone setting up one eSIM before departure and wanting live chat, email and a help centre behind it
Who should look elsewhere
- Price first buyers, since eSIMGo.is starts at $0.99
- Travelers who want the widest country list, since Zwitchy covers 200 countries
- Anyone shopping a single destination plan, since SimToIsrael starts at $25
Current offers
1&1 (1und1)
Current offer
Free trial
Test everything for 30 days - satisfied or money back: 30 days
Cancel within the first 30 days without giving reasons; 1&1 refunds the one-time provisioning fee and the base fee
Source, checked September 26, 2026
First period offer
1&1 All-Net-Flat S 10 GB introductory price: 9.99 EUR/month for 3 months
Entry price for the 10 GB tariff; from the 4th month 14.99 EUR/month
Source, checked September 26, 2026
Bonus
Alt gegen Neu trade-in premium when ordering a new device with a 1&1 tariff: up to 800 EUR, at least 50 EUR
Depending on model and condition of the old device
Source, checked September 26, 2026
Truely
Current offer
First period offer
First day free: First day free
Offer shown on the United States destination page for unlimited plans; plan can be paused or started anytime
Source, checked September 26, 2026
Bonus
Buy Data, Get the eSIM Free: Free Switchless eSIM with data purchase
eSIM included with a data purchase; applies across destinations
Source, checked September 26, 2026
Country by country
| Country | 1&1 (1und1) | Truely |
|---|---|---|
| Germany | Yes | No |
Questions about each
1&1 (1und1)
How much does a 1und1 roaming plan cost?+
Plans start at €9.99, and that price buys the home contract rather than a travel pass. The site median price across the brands listed is €5, so a reader comparing on price alone will find eSIMGo.is cheaper at $0.99.
How many countries does 1und1 roaming cover?+
Roaming spans 33 countries, which is far fewer than Zwitchy at 200. The plan is regional in scope, so a trip to a handful of nearby countries is the realistic use rather than a world tour.
Truely
How much does a Truely eSIM cost?+
Plans start at $2.09. The reference day rates vary a lot by destination, with Mexico the priciest of the listed countries and Thailand the cheapest, and Europe and the UK sitting near the low end. That start price is below the €5 median across the site.
Is the data really unlimited?+
Unlimited data is included, and the fair use policy is what shapes it day to day. Speeds drop to a slow tier once a daily allowance is used, then reset the next day, so the limit sits on speed rather than on total data. Long streaming or tethering sessions are where that shows.
Other options to compare
Other matchups
1&1 (1und1)
Truely