Everything you need to know about travel eSIMs
From the data calculator to activation walk-throughs: compact guides without jargon, interactive tools and honest, practical tips.
Interactive tools
Calculate, filter, find — three interactive helpers for your specific trip.
eSIM Data Calculator
How many GB do you actually need? Streaming, navigation & social media — we work out the right plan size.
Calculate noweSIM Finder Wizard
Three clicks, one concrete recommendation: destination → length → usage type, picked from 600+ plans.
Start wizardRoaming vs. eSIM Calculator
Live comparison: what does roaming, a travel eSIM or a local SIM actually cost? Real example numbers for 2026.
Compare costsBasics
First contact with eSIMs — what they are, how to activate them, which phones support them.
What is an eSIM?
Fundamentals, pros & cons, compatibility with iPhone, Samsung & Pixel — plus activation in four steps.
Activate an eSIM in 3 minutes
Step-by-step instructions for iPhone, Samsung, Pixel and Xiaomi — with exact settings paths.
eSIM-compatible phones 2026
List of every eSIM-capable smartphone — with interactive device finder, brand filter and status badges.
Provider comparisons
Who delivers what they promise — and who doesn't.
Airalo vs. Holafly vs. Simbye
Big provider comparison: prices, networks, fair-use, hotspot — with a recommendation per traveller type.
eSIM on cruises
Maritime-roaming trap, Starlink WiFi status, best strategy for Mediterranean, Caribbean and Northern routes.
eSIM for families
Multi-device sharing, provider hotspot policies, data needs per child, parental controls on iOS and Android.
eSIM for digital nomads
Long-stay plans, country hopping, multi-region packages, hotspot for the laptop setup, best providers for 30+ day trips.
Unlimited eSIM: the fair-use truth
“Unlimited” rarely means truly unlimited. Which provider throttles at which point — broken down provider by provider.
Airalo review
Real App Store and Trustpilot ratings, strengths and weaknesses — is Airalo legit?
Holafly review
The unlimited specialist tested: real ratings, the fair-use truth, and who Holafly is worth it for.
Saily review
The NordVPN eSIM tested: real ratings, security features and price positioning.
Simbye review
The price breaker legitimacy check: who is behind it, what do real reviews say?
Country guides
Networks, coverage and best plans — researched country by country.
eSIM for Spain
Do you even need one? Movistar/Vodafone/Orange comparison, Mallorca/Canary coverage, discount-MVNO throttling list.
eSIM for the UK
Post-Brexit roaming reality: which EU plans still cover the UK for free, EE/Vodafone/Three compared, Highland coverage.
eSIM for Italy
Do you even need one? TIM/Vodafone/WindTre/Iliad compared, coverage Rome/Tuscany/Sicily/Sardinia, MVNO throttling list.
eSIM for Turkey
Bypass the BTK eSIM block, Turkcell vs. Vodafone TR, coverage in Antalya & Cappadocia.
eSIM for Dubai & UAE
WhatsApp voice despite the UAE block, Etisalat vs. du, the best plans for Dubai trips.
eSIM for Egypt
WhatsApp voice despite NTRA throttling, Vodafone EG vs. Orange, coverage in Hurghada & Sharm.
eSIM for the USA
T-Mobile vs. AT&T, road-trip plans, edge cases Alaska & US-locked iPhones.
eSIM for Vietnam
Viettel vs. Vinaphone, Halong & Sapa, 5G in Hanoi and HCMC, backpacker plans.
eSIM for Indonesia (Bali)
Telkomsel vs. Indosat vs. XLSmart, Bali and Lombok coverage, IMEI registration rule, 5G status.
eSIM for Mexico
Telcel vs. AT&T Mexico, Yucatán & cenotes, Cozumel without Uber, 5G in 100+ cities.
eSIM for Morocco
Maroc Telecom vs. Orange vs. Inwi, free WhatsApp voice, Sahara and Atlas coverage, 5G since Nov 2025.
eSIM for Australia
Telstra mandatory for the Outback, 3G shut down in 2024, Optus for cities/coast, Tasmania coverage.
eSIM for Brazil
Vivo vs. Claro vs. TIM, Rio safety tips, Amazon-region limits, 5G in 895+ municipalities.
eSIM for Thailand
AIS, TrueMove & dtac compared, Bangkok and island coverage.
eSIM for Japan
Docomo, SoftBank, KDDI compared — 5G in Tokyo, Shinkansen coverage.
eSIM in China
Use Google, WhatsApp & Instagram in China — without a VPN, thanks to a travel eSIM.
eSIM for Switzerland
EU roaming? Depends on your plan! Swisscom vs. Sunrise vs. Salt, ski & Alps, border-region trap.
eSIM for the Maldives
Dhiraagu vs. Ooredoo, resort coverage by atoll, honeymoon without world-zone roaming shock.
eSIM for the Dominican Republic
Claro, Altice & Viva compared, Punta Cana to Samaná, all-inclusive without lobby-Wi-Fi dependence.
eSIM for Albania
No EU roaming on the Riviera! Vodafone AL vs. One Albania, Ksamil to Theth, Balkan road trip.
eSIM for Tunisia
Zone-3 trap despite the Mediterranean: Ooredoo, Orange & Tunisie Telecom, Djerba to Sahara tours.
Practical tips
Short answers to the most annoying travel-connectivity problems.
eSIM + WhatsApp: am I still reachable?
What happens to your home number? Calls, SMS and 2FA codes explained.
QR code not working: 7 fixes
Activation stuck? The most common causes and how to work through them in order.
Transfer eSIM to a new phone
New phone, old eSIM? iPhone Quick Transfer, Android migration and the right way for travel eSIMs.
How much data do I need?
5, 10 or unlimited GB? An honest rule of thumb with a usage table per activity and a plan per traveller type.
Use your eSIM as a hotspot
Get your laptop & tablet online via the travel eSIM: tethering on iPhone and Android, plus which providers allow it.
Delete or remove an eSIM
Deactivate vs. delete — step by step for iPhone and Android, plus the key warning before selling your phone.
Straight to the plans
Skip the theory and check current prepaid eSIM plans right away.