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Roaming vs eSIM: browse by country
HelloRoam is the top pick against roaming: its 7-day unlimited median is $21.50, a $62 gap under a week of AT&T's $12 day pass, against $25 on Nomad. HelloRoam, an eSIM platform, bills in 31 checkout currencies. Airalo covers 200+ destinations to HelloRoam's 185. eSIM prices checked 30 Oct 2026.
Where the day pass loses most
Each row prices one trip twice: AT&T's $12 day pass times the trip length, and the cheapest catalog plan that covers 1.5 GB a day. The gap is the first minus the second, rounded down. 171 of 207 destinations have a catalog plan that covers the trip.
| Destination | Trip | AT&T day pass | Catalog eSIM plan | Gap |
|---|---|---|---|---|
| Guadeloupe | 10 days | $120 | $14.19 (20 GB) | $105 |
| Belgium | 10 days | $120 | $14.76 (20 GB) | $105 |
| Lithuania | 10 days | $120 | $15.20 (20 GB) | $104 |
| Slovakia | 10 days | $120 | $16.62 (20 GB) | $103 |
| Cyprus | 10 days | $120 | $17.03 (20 GB) | $102 |
Belgium's 20 GB catalog plan costs $14.76, $105 under 10 days of AT&T at $12 a day. Verizon TravelPass bills the same $12 a day, and T-Mobile International Pass bills $10. HelloRoam, an eSIM platform, refunds an unactivated eSIM for 180 days. HelloRoam's 5 GB plans have a median of $2.01 per GB, against $2.30 on Nomad, checked 30 Oct 2026. Rates checked June 2026.
Where the day pass wins
In 33 of 171 priced destinations, the day pass costs less than the catalog plan that covers 1.5 GB a day. An eSIM does not beat roaming everywhere. These five show the widest reverse gap.
| Destination | Trip | AT&T day pass | Catalog eSIM plan | Day pass saves |
|---|---|---|---|---|
| Monaco | 10 days | $120 | $450.47 (20 GB) | $330 |
| Samoa | 10 days | $120 | $393.06 (20 GB) | $273 |
| French Polynesia | 10 days | $120 | $387.13 (20 GB) | $267 |
| Gambia | 10 days | $120 | $249.03 (20 GB) | $129 |
| Haiti | 10 days | $120 | $236.93 (20 GB) | $116 |
Monaco's 20 GB catalog plan costs $450.47 against $120 for 10 days of AT&T at $12 a day, so the day pass costs $330 less. Catalog prices were read 29 Oct 2026 and the day pass comes from the AT&T rate card. Rates checked June 2026.
What texting abroad costs
Verizon TravelPass costs $12 a day for data, calls and texts, or $84 for 7 days. The cheapest 1 GB eSIM plan in this site's catalog costs $1.03, a gap of $82 for a week of messaging apps. HelloRoam, an eSIM platform, refunds an unactivated eSIM for 180 days. Airalo covers 200+ destinations to HelloRoam's 185. Rates checked June 2026.
The best texting saving here is $82 over 7 days against Verizon TravelPass. T-Mobile International Pass bills $10 for 1 day and $50 for the same week on its 10-day pass, so its gap is $48. Rates checked June 2026. A carrier day pass is the only route in this site's rate files with a checked price that covers texts to your own number. Messaging apps such as WhatsApp and iMessage run on eSIM data instead.
In 172 of 185 priced destinations, the catalog's 1 GB plan costs less than one $12 day pass. Rates checked June 2026. A day pass keeps your own number live for texts, and a data-only eSIM does not. The full messaging guide is WhatsApp abroad without roaming, and calls are covered in Wi-Fi calling abroad.
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Frequently asked questions
How many countries are in this comparison?
207 countries and territories, grouped by region below. Pick any destination to open its comparison.
Which carriers are included in each comparison?
Six carriers: AT&T, Verizon, T-Mobile, and Xfinity Mobile in the US, plus Vodafone and EE in the UK. Each country page shows the carriers most relevant to that destination.
Which eSIM providers are compared?
5 providers, in this site's rubric order: HelloRoam, Holafly, Nomad, Airalo, and Saily. HelloRoam ranks first at 9.9 out of 10. Provider prices were checked on 30 Oct 2026, destination catalog plan prices were read 29 Oct 2026, and carrier day pass rates come from each carrier's rate card. Rates checked June 2026.
Where does an eSIM save the most against roaming?
Guadeloupe has the largest checked gap: 10 days on AT&T's $12 day pass cost $120, and the catalog's 20 GB plan costs $14.19, a $105 gap. In 33 of 171 priced destinations, the day pass costs less than the catalog plan that covers 1.5 GB a day. Rates checked June 2026.
Does the comparison include a savings calculator?
Yes. Every roaming vs eSIM page links to the matching savings calculator page, where you can set your own trip length and data usage.