eSIM & connectivity
How much eSIM data do I need? Calculator
Enter your trip length and the apps you use to see exactly how many GB to buy. Most travelers need 0.5-1.5GB per day.
Best eSIM for travel in 2026
Airalo offers the widest country coverage and cheapest short-trip pricing, Holafly is best for unlimited data in a single region, and Ubigi is a solid pick if you need a plan that also supports calls and texts, not just data.
How eSIM works: a plain-English guide
An eSIM is a digital SIM card built into your phone that you activate by scanning a QR code, instead of inserting a physical card. Most phones sold since 2018-2020 support it, and setup takes about five minutes.
Does eSIM block ads? What ad and tracker blocking actually means
Most eSIMs are plain data connections with no ad-blocking built in. Saily is one of the few providers that includes network-level ad and tracker blocking on every plan by default, filtering requests before they reach your browser or apps.
eSIM vs. roaming: which is cheaper?
US carrier roaming runs $10-12/day or worse pay-per-use, while a travel eSIM covers the same trip for $5-20 total. Here's the real cost breakdown.
eSIM compatible phones: full list by brand (2026)
Most iPhones from the XS onward, Pixel 3+, and Galaxy S20/Note20+ support eSIM. Full breakdown by brand, plus how to check your exact model.
What is an eSIM QR code and how does it work?
An eSIM QR code encodes an SM-DP+ server address and activation code that installs your plan — not your phone number or personal data.
eSIM data-only vs. voice plans: what's the difference?
Most travel eSIMs are data-only with no phone number. Here's which providers offer voice/SMS, and how to stay reachable without one.
How to set up dual eSIM on iPhone
iPhone XS and later can run a travel eSIM alongside your home SIM. Step-by-step setup for dual eSIM and default lines for calls vs. data.
eSIM setup guide for Android (Samsung, Pixel, and more)
Step-by-step eSIM setup for Android phones, covering install, default data line, roaming, and the settings menu by brand.
eSIM not working after landing? Full fix guide
Five fixable causes cover most eSIM problems abroad: roaming settings, default data line, expired plans, network locks, and quick restarts.
Best eSIM-friendly countries for digital nomads
The best digital nomad destinations combine reliable mobile data with an accessible visa. Here's how South Korea, Thailand, Colombia, and Georgia compare.
eSIM for cruise ships: does it actually work?
A travel eSIM works in every port but not at sea, since eSIMs need land-based towers. Here's how to plan connectivity for a multi-country cruise.
eSIM for long-term travel and slow travel
Slow travel needs a different eSIM approach: long-validity plans up to 365 days, in-app top-ups, and when a local SIM beats an eSIM.
- Security & Privacy Pick
Saily eSIM review: security, pricing, and performance
Saily, built by Nord Security, pairs affordable regional and global eSIM data plans with built-in ad and tracker blocking. Plans start around $4-5 for short trips, with the tracker-blocking feature as its main differentiator from other eSIM providers.
Code Sahrzad15 at checkout for a discount
- Global Variety Pick
Airalo review: is the world's biggest eSIM store worth it?
Airalo covers over 200 countries and regions with tiered data plans starting around $4.50, plus an Airmoney rewards program. It's the eSIM I default to for most trips unless I have a specific reason to pick something else.
Code ANN6497 for $3 off
- Unlimited Data Pick
Holafly review: unlimited data for heavy travel usage
Holafly sells unlimited-data eSIM plans for a single country or region, priced from around $19 for 30 days. It's the right pick if you stream, navigate, or hotspot heavily and don't want to track a data cap — not the cheapest option for light, short-trip use.
- Pay-As-You-Go Pick
Yesim eSIM review 2026: is pay-as-you-go worth it?
Yesim is a Swiss eSIM provider covering 200+ destinations. Its Pay & Fly credit charges only for the data you use, from about $1.10/GB, alongside fixed, unlimited and global plans and an optional SMS-only virtual number.
- Calls & Number Pick
eSIMo review 2026: data, calls and a second number in one app
eSIMo sells travel data in 200+ destinations from $3.90 for 1GB, plus in-app calls from $0.01/minute and a second phone number from $1.90/month — all in one app.
Code SILVER15 for 15% off
- Comparison Guide
Airalo vs Holafly: which eSIM should you use in 2026
Airalo generally offers cheaper, flexible data-based plans across more countries, while Holafly focuses on unlimited-data plans in fewer regions at a higher price. Airalo suits most short trips; Holafly suits heavy data users staying in one region.
- Comparison Guide
Saily vs Nomad: which eSIM should you use in 2026
Saily includes built-in ad and tracker blocking on top of standard data plans, while Nomad focuses purely on low-cost data with a simple app. Saily suits privacy-conscious travelers; Nomad suits anyone who just wants the cheapest possible data with no extras.
Code Sahrzad15 at checkout for a discount
- Comparison Guide
Saily vs Ubigi: which eSIM should you use in 2026
Saily bundles built-in ad and tracker blocking with its data plans, while Ubigi's standout feature is optional voice and SMS add-ons in some countries. Pick Saily for privacy features; pick Ubigi if you specifically need a local number for calls or texts.
Code Sahrzad15 at checkout for a discount
- Comparison Guide
Saily vs Yesim: which eSIM should you use in 2026
Saily offers fixed data tiers with built-in ad and tracker blocking, while Yesim's standout feature is pay-as-you-go credit plus optional virtual SMS numbers. Pick Saily for privacy protection on a set trip; pick Yesim if your trip length or data needs are uncertain.
Code Sahrzad15 at checkout for a discount
- Comparison Guide
Saily vs Airalo: which eSIM should you use in 2026
Saily and Airalo both start at about $4.50 and cover 200+ destinations. Saily adds ad and tracker blocking on every plan and is my top pick for most trips. Airalo has the biggest catalog and plans up to 365 days, so it wins for unusual destinations and very long stays.
Code Sahrzad15 at checkout for 15% off
- Comparison Guide
Saily vs Holafly: which eSIM should you use in 2026
Saily sells fixed data plans from about $4.50 with built-in ad and tracker blocking. Holafly sells unlimited data from about $19, mostly for one country or region. Pick Saily for normal use and better value; pick Holafly only if you stream or work online every day.
Code Sahrzad15 at checkout for 15% off
- Comparison Guide
Saily vs eSIMo: which eSIM should you use in 2026
Saily is the stronger all-round eSIM: fair prices from about $4.50, 200+ destinations, better regional plans and ad and tracker blocking on every plan. eSIMo starts at $3.90 and adds in-app calls and a second phone number. Pick eSIMo only if you need to call while abroad.
Code Sahrzad15 at checkout for 15% off
- Comparison Guide
Airalo vs eSIMo: which eSIM should you use in 2026
Airalo is the biggest eSIM marketplace, with 200+ countries, plans up to 365 days and a long track record. eSIMo starts slightly cheaper at $3.90 and adds in-app calls and a rented second number. Pick Airalo for coverage and reliability; pick eSIMo if you need to call.
Code ANN6497 at checkout for $3 off
- Comparison Guide
Yesim vs eSIMo: which eSIM should you use in 2026
Yesim and eSIMo both go beyond plain data. Yesim offers true pay-as-you-go data from about $1.10/GB and an SMS-only virtual number. eSIMo offers cheap fixed plans from $3.90, in-app calls and a rented second number. Pick Yesim for unpredictable data use; pick eSIMo if you need to call.
- Long-Stay Pick
Nomad eSIM review: is it worth it for multi-country trips?
Nomad covers 200+ destinations with per-GB pricing from about $0.54, and its Global-EX plans run up to 365 days — the longest validity on the market.
- Laptop-Friendly Pick
Ubigi eSIM review: is it worth it in 2026?
Ubigi covers 200+ destinations with 5G in 40+ countries and rare Windows laptop support — but customer support is the weakest part of the experience.
- Comparison Guide
Airalo vs Yesim: which eSIM should you use in 2026
Airalo covers 200+ countries with fixed data plans, while Yesim runs pay-as-you-go and offers an optional SMS-only virtual number.
- Comparison Guide
Holafly vs Yesim: which eSIM should you use in 2026
Holafly specializes in unlimited data for heavy daily users, while Yesim runs pay-as-you-go with a virtual phone number for lighter, shorter trips.
- Comparison Guide
Airalo vs Ubigi: which eSIM should you use in 2026
Airalo wins on support (24/7 live chat) and entry-level pricing; Ubigi's edge is rare Windows laptop compatibility and better mid-size plan value.
- Comparison Guide
Saily vs Flexiroam: which eSIM should you use in 2026
Saily wins on price and simplicity for most trips. Flexiroam's edge is voice/text add-ons, in-flight data, and data sharing — at a real cost premium.