Best eSIMs for international travel in 2026: four apps compared

The default eSIM store: widest country coverage and the largest catalogue

Airalo is the default for a simple reason: if a country sells eSIM data at all, Airalo almost certainly lists a plan for it. That matters the moment you leave the standard tourist routes, where the cheaper apps quietly have no coverage. Every plan installs before departure, top-ups reuse the same profile so your phone does not fill up with dead eSIMs, and its support reputation on public review sites is the strongest of the four. It is not the cheapest per gigabyte — but it is the one I would install for a trip I could not afford to get wrong.

• ✓Coverage in more than 200 countries and regions — the broadest catalogue here
• ✓Regional bundles for multi-country trips instead of one eSIM per border
• ✓Top-ups keep the same eSIM, so you install once and reuse it
• ✓Loyalty credit that actually accumulates if you travel often

Trustpilot: 4.4App Store: 4.6

Cheap per-gigabyte pricing and long validity windows

If you are buying 20 GB for a month somewhere, Nomad is usually the cheapest way to do it, and the long validity windows — up to a year on some plans — suit slow travel better than anything else here. The trade-off is polish: the app is fussier than Airalo’s, support is slower, and network partner quality varies noticeably from country to country. For a two-day city break the saving is trivial and not worth the risk; for three months in one region it adds up to real money.

• ✓Among the lowest per-gigabyte prices in the category
• ✓Long validity options, including year-long plans
• ✓Large regional bundles covering whole continents
• ✓Referral credit that offsets a first purchase

Trustpilot: 4.2App Store: 4.5

Unlimited-data plans for people who tether and stream on the road

Holafly sells unlimited data by the day rather than gigabytes by the plan, and for a particular kind of traveller that is exactly right: if you work from a laptop over your phone’s hotspot, a gigabyte allowance is anxiety you have to pay attention to. Two caveats before you buy. Speed is throttled after a fair-use threshold in several destinations, and per-day pricing gets expensive fast on a long trip — over about a fortnight, a large gigabyte plan usually wins on cost.

• ✓Unlimited data plans rather than a gigabyte allowance
• ✓Priced per day, which suits short trips with heavy usage
• ✓Multi-country plans for Europe, Asia and Latin America
• ✓24/7 support in several languages

Trustpilot: 4.5App Store: 4.4

Travel eSIM from the Nord Security team, with privacy tooling built in

Saily comes from the team behind NordVPN, and it shows in the details: ad blocking and a virtual-location option built into a travel eSIM is genuinely unusual. The app is the cleanest of the four and the purchase flow is two taps. It is also the youngest product here, with thinner coverage in smaller countries and a shorter track record when something goes wrong. A good pick if your destinations are mainstream and you already trust the company.

• ✓Built by the team behind NordVPN — ad blocking and virtual location included
• ✓More than 150 destinations, with regional bundles
• ✓Two-tap purchase flow and a genuinely modern app
• ✓Sensible pick if you already use Nord products

App Store: 4.5Google Play: 4.3