By May 2026 five international eSIMs dominate the market: Airalo (USD 4-5/GB), Holafly (USD 6.90/day unlimited), Saily (USD 2.69-3.99/GB), Ubigi (USD 7/GB) and Truphone/1Global (USD 9/GB). There are three honest choices for a US traveler. Airalo wins on coverage (200+ countries) and on short trips with light data. Holafly wins when you use Maps + Stories + meetings. Saily wins on raw price for backpackers. Everything else is marketing noise.
16 min read
eSIM became a commodity in 2026. There are more than 60 providers and almost none offer anything unique — they all buy data wholesale from the same local carriers and resell with a markup. That is why five names dominate: Airalo, Holafly, Saily, Ubigi and Truphone. The rest is redundant.
The right question is not which is the best. It is which one fits your usage pattern. Someone doing seven days in Rome on light tourism needs something different from someone spending 30 days in Tokyo working remote. This article shows the five real players with prices updated to May 2026 and when each one is worth it for a US traveler.
US carriers (Verizon, T-Mobile, AT&T) all offer some form of international data, but the math rarely works in your favor. T-Mobile's Magenta and Go5G plans include 2G international data in 215+ countries — fine for WhatsApp text, painful for Maps. AT&T International Day Pass is USD 12/day with a soft cap. Verizon TravelPass: USD 10/day Mexico/Canada, USD 12 elsewhere. Two weeks in Europe: USD 168 in roaming fees vs USD 20 for an Airalo eSIM. The math is not subtle.
Airalo: unbeatable coverage, reasonable price
TL;DRAiralo is the most-used eSIM in the world in 2026 with 200+ countries covered. Typical price USD 4-5/GB on local plans. Japan 1GB/7 days: USD 4.50. Eurolink regional pack (39 Schengen + UK countries) 5GB/30 days: USD 20. App in English. Wins on catalogue and on trips with scattered itineraries.
Airalo covers 200+ destinations with local (single country), regional (Eurolink Europe, Asialink Asia, Latam etc) and global (Discover+, Discover Global) plans. In 2026 Airalo raised the price of some premium plans: Japan unlimited 7 days went from USD 15 to USD 27, but basic plans stayed stable. Japan 1GB/7 days: USD 4.50. US 3GB/30 days: USD 11. Thailand 3GB/30 days: USD 8.50.
The Eurolink regional plan covers 39 European countries (all Schengen + UK + Switzerland + Iceland + Serbia) — worth it when your itinerary covers 3+ countries. 5GB/30 days for USD 20, 10GB/30 days for USD 36, 20GB/30 days for USD 65. Discover+ global covers 130+ countries at USD 9/GB and serves round-the-world backpackers.
App in English, 24/7 support (response in 2-4h). Payment accepts all major US cards and Apple/Google Pay. Loyalty program (Airmoney): 5% cashback on top-ups, 5% on new plans, credits accumulate.
When Airalo wins: trip with scattered itinerary (Berlin + Prague + Budapest), medium data use (1-3GB total), traveler who wants to pay once and forget.
Holafly: real unlimited, premium price
TL;DRHolafly is the only major player selling truly unlimited data. Base price USD 6.90/day, no hotspot in most countries. Europe 7-day unlimited: USD 47. Japan 15-day unlimited: USD 84. Worth it when usage exceeds 1GB/day (Maps + Stories + WhatsApp video + meetings). Not worth it for someone who only uses Maps on light tourism.
Holafly started in Spain in 2018 and popularized the unlimited eSIM data model. In 2026 it covers 190+ countries. Average price: USD 6.90/day on short plans, dropping to USD 5/day on 30-day plans. Europe 5 days: USD 27. Europe 10 days: USD 57. US 15 days: USD 64. Worldwide 30 days: USD 89.
| Provider | 7-day EU plan | 15-day EU plan | Tethering | Coverage |
|---|---|---|---|---|
| Airalo Eurolink 5GB | USD 20 | USD 30 (10GB) | Yes | 39 countries |
| Holafly Unlimited | USD 47 | USD 64 | No in most | 30+ EU countries |
| Saily Europe 10GB | USD 19 | USD 26 (30 days) | Yes | 36 countries |
The catch: most Holafly plans do not allow hotspot/tethering (only Spain, Argentina and a few others). If you use the eSIM to also feed your laptop in a coworking, you are stuck. Speed also drops after "fair use" (usually 4-5GB/day) — it is not raw unlimited, it is unlimited with throttling after an implicit quota.
App in English, 24/7 chat support (response in minutes). Holafly Connect adds voice and SMS for USD 1/day extra in some countries.
When Holafly wins: remote work on the road (Stories + meetings + Drive), people who hate managing GBs, traveler who uses Maps all day, couple sharing 1 plan (1 eSIM on primary phone, other phone uses WhatsApp via light roaming).
Saily: the cheap newcomer with pedigree
TL;DRSaily launched in 2024 by Nord Security (NordVPN). By 2026 it is the cheapest eSIM on fixed-data plans: Thailand 1GB/7 days for USD 2.69, US 5GB/30 days for USD 17.99, Europe 10GB/30 days for USD 26. Coverage 150+ countries. App has free integrated VPN. Limitations: no real unlimited, no robust regional plans like Airalo.
Saily entered the market in 2024 selling on price — and held the strategy through 2026. Direct comparison with Airalo on most-searched plans:
| Country | Airalo 1GB/7d | Saily 1GB/7d | Difference |
|---|---|---|---|
| US | USD 4.50 | USD 3.99 | Saily 11% cheaper |
| Japan | USD 4.50 | USD 3.99 | Saily 11% |
| Thailand | USD 4.50 | USD 2.69 | Saily 40% |
| France | USD 5.00 | USD 3.99 | Saily 20% |
| Mexico | USD 5.00 | USD 3.99 | Saily 20% |
Saily's 2026 differentiator: the app includes NordVPN free (lite version, 10GB/month) and adds "Web Protection" (tracker and malware blocker). For US travelers who travel with a laptop and use public Wi-Fi, the bonus is real. Payment accepts card and Apple/Google Pay.
Saily's limitation: smaller regional catalogue than Airalo. Europe plan covers 36 countries (vs 39 in Eurolink). Asia plan covers 18 countries. No global Discover+ plan. If you need a single plan for 5 continents, Airalo still wins.
When Saily wins: backpacker on a tight budget, someone who uses little data across many different countries, traveler who values native VPN.
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Ubigi and Truphone: executive and cruise niches
TL;DRUbigi (Transatel/NTT group) covers commercial flights (Air France, Delta, Lufthansa partnerships) and cruises (MSC, Royal Caribbean). Truphone was acquired by 1Global in 2023 and targets corporate. Average price Ubigi USD 7/GB, Truphone USD 9/GB. Worth it for those who need internet on a Caribbean cruise route or a long-haul connection. Not worth it for standard tourism.
Ubigi is the only eSIM with a specific plan for inflight Wi-Fi: USD 12 per international Air France flight, USD 8 per Delta domestic segment. On MSC and Royal Caribbean cruises (where onboard Wi-Fi runs USD 30/day), Ubigi sells a maritime plan at USD 25/day unlimited. Ubigi standard Europe plan: USD 19/3GB/30 days. Pricey for tourism, fair for executives.
Truphone/1Global became a corporate B2B solution in 2025. Sells a global plan with combined physical SIM + eSIM, company dashboard, monthly billing. Price per GB: USD 9-12 on global plan, USD 6 on Europe plan. Not worth it for individuals.
Nomad, Flexiroam, MTX Connect, GlobaleSIM: all compete in the Airalo/Saily price band with smaller coverage or unstable apps. No reason to pick them in 2026.
Coverage by region: who wins where
TL;DRIn May 2026 Airalo is best for Asia (Japan, Korea, Thailand, Vietnam). Holafly dominates Europe (price/coverage/support). Saily wins in the Americas (Mexico, Argentina, Chile, Latin America in general). Cuba, Iran and North Korea: none work, you need a physical local SIM. Madagascar, Myanmar and Sudan: unstable coverage on all providers.
Asia (Japan, Korea, Thailand, Vietnam, Indonesia): Airalo leads with the Asialink plan (14 countries) USD 21/3GB/30 days. Saily competes on cheaper individual plans. Holafly has good unlimited in Japan and Korea but no tethering.
Europe (Schengen + UK): Holafly wins on unlimited, Airalo Eurolink wins on package value, Saily wins on cheap single 10GB plan. UK post-Brexit: equal coverage on all three.
Americas (US, Canada, Mexico, Argentina, Chile, Peru): Saily leads on price, Airalo leads on coverage. Holafly US unlimited expensive (USD 47/7 days).
Africa and Middle East: Airalo has the broadest coverage (Egypt, Morocco, South Africa, Kenya, Tanzania, UAE, Israel). Egypt 3GB/30 days plan: USD 11. Holafly has no local plan for half of African countries.
Black holes: Cuba (need ETECSA local SIM, ~USD 30), Iran (need Hamrah-e Aval SIM), North Korea (no internet for foreigners), Syria, Yemen. Madagascar, Myanmar, Sudan and Eritrea have unstable coverage on all providers.
Don't bother with US carrier roaming
TL;DRT-Mobile Magenta, AT&T International Day Pass and Verizon TravelPass all exist, but the price-per-GB math is brutal compared to international eSIMs. T-Mobile is best of the three because it includes some international data on the base plan — but speeds are 2G outside North America. The eSIM stays 30-70% cheaper in every test.
T-Mobile Magenta / Go5G: 2G international data included in 215+ countries. Fine for WhatsApp text and Google Maps offline. Painful for Stories, video calls, Maps live. 5G International Pass: USD 35 for 15GB over 30 days — competitive with Airalo on heavy usage, but only on T-Mobile.
AT&T International Day Pass: USD 12/day across 210 countries, taps your domestic data allotment. Two weeks in Europe = USD 168, vs USD 20 for the same Airalo Eurolink. Math is obvious.
Verizon TravelPass: USD 10/day Mexico/Canada, USD 12/day elsewhere. Same situation as AT&T. Only worth it if you need to keep your US number actively receiving calls (which the eSIM dual-SIM setup also handles).
Verdict: check the comparison at checkout, but in 95% of cases a pure international eSIM (Airalo/Saily/Holafly) still comes out 30-60% cheaper.
How to install and set up (step by step)
TL;DRBuy in the provider's app, download the QR code, go to Settings > Cellular > Add Cellular Plan > Scan QR. Set the eSIM as "Cellular Data" and keep your US carrier SIM as "Primary Line". Total: 5 minutes. Important: install before you board (on US Wi-Fi), activate when you land at the destination.
- Buy in the app/site of the provider (Airalo, Holafly or Saily). Any US credit card works.
- Receive the QR code by email or directly in the app. Each eSIM has a unique QR — keep it until you use it.
- Install on iPhone: Settings > Cellular > Add eSIM > Use QR Code > Scan. Android: Settings > Connections > SIM manager > Add mobile plan > QR.
- Rename the plan ("Europe Trip") so you do not confuse it with your US carrier SIM.
- Turn on data roaming on the eSIM (on) and keep the US carrier SIM for calls and 2FA SMS only (data off on that one).
- Set iMessage and FaceTime to your US number (free via Wi-Fi).
- Activate when you land — first connect to the local cellular network, then activate the data plan.
Common mistake: activating the eSIM before boarding. Some plans start the 7-day timer at activation — you lose a day in transit. Always install ahead but activate after you land.
Final table: which to pick by profile
TL;DRBudget backpacker = Saily (USD 2.69-4 per GB). Mid tourist multi-country Europe = Airalo Eurolink (USD 20 for 5GB). Remote work + Stories = Holafly unlimited (USD 47-89). Executive on a cruise = Ubigi (USD 25/day maritime). Family sharing = 2 plans (one per phone).
| Profile | Recommendation | Typical cost 14-day EU trip |
|---|---|---|
| Backpacker 1-2GB | Saily Europe 5GB/30 days | USD 19 |
| Tourist 3-5GB | Airalo Eurolink 5GB/30 days | USD 20 |
| Stories + Maps heavy | Holafly EU 10 days unlimited | USD 57 |
| Remote work | Holafly EU 14 days unlimited | USD 64 |
| Mediterranean cruise | Ubigi maritime + Airalo EU | USD 95 |
| Family (2 phones) | 2x Airalo Eurolink 5GB | USD 40 |
| Round-the-world 60 days | Airalo Discover+ Global 20GB | USD 89 |
Practical appendix
Pre-trip checklist:
- Verify phone compatibility (Apple: support.apple.com/HT209096)
- Buy eSIM 24-48h before departure
- Install QR code on US Wi-Fi (do not activate yet)
- Note the provider APN (Airalo: airalo, Holafly: orange, Saily: saily)
- Set iMessage to your US number
- Bring physical US SIM as backup
- Save QR screenshot to Google Drive (in case of phone swap)
24/7 English-language support:
- Airalo: support.airalo.com (chat, 2-4h)
- Holafly: holafly.com (live chat, minutes)
- Saily: saily.com/help (email, 24h)
Discount codes valid May 2026: Airalo NEWBIE15 (15% off first purchase), Holafly HOLAFLY5 (5%), Saily SAILY10 (10%).
Key points
Airalo has the largest catalogue in 2026: 200+ countries, regional pack Eurolink (39 European countries) at USD 5/GB and global Discover+ plan at USD 9/GB. Japan 7-day 1GB plan: USD 4.50. US 30-day 10GB plan: USD 26.
Holafly charges USD 6.90/day for unlimited plans (1-90 days) with no hotspot in most countries. Europe 7-day unlimited plan: USD 47. Japan 15-day unlimited: USD 84. Worth it when you consume more than 1GB/day (Maps + Stories + WhatsApp calls).
Saily is the cheapest option for fixed data in 2026: Thailand 1GB/7 days for USD 2.69, US 5GB/30 days for USD 17.99, Europe 10GB/30 days for USD 26. Launched in 2024 by Nord Security (parent of NordVPN).
Frequently asked questions
Depends on usage. Basic 5GB Airalo Eurolink: USD 20. 10GB Saily Europe: USD 26. Holafly 14-day unlimited: USD 64. For standard tourism without meetings, 5GB is plenty.
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About the author
Curadoria Voyspark
2 years in the Voyspark editorial team
Time editorial da Voyspark — escritores, repórteres, fotógrafos e fixers em Lisboa, Tóquio, Nova York, Cidade do México e Marrakech. Coletivo. Sem voz corporativa. Cada peça com checagem cruzada por um editor regional e um chef ou curador local.
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