eSIM guides

Clear, practical answers to every eSIM and travel-data question — written by people who actually use them.

Fundamentals

Fundamentals What is an eSIM and how does it work? 6 min read · Updated 19 July 2026 Fundamentals How to install an eSIM on iPhone 4 min read · Updated 19 July 2026 Fundamentals How to install an eSIM on Android 4 min read · Updated 19 July 2026 Fundamentals Which phones support eSIM? The full compatibility list 4 min read · Updated 19 July 2026 Fundamentals Is my phone unlocked, and why it matters for an eSIM 4 min read · Updated 19 July 2026 Fundamentals What is data roaming and how does it work? 4 min read · Updated 19 July 2026 Fundamentals When does my eSIM plan start? 4 min read · Updated 19 July 2026 Fundamentals Do I need to change APN settings for my eSIM? 4 min read · Updated 19 July 2026

Costs & comparisons

Costs & comparisons eSIM vs physical SIM: which should you travel with? 5 min read · Updated 19 July 2026 Costs & comparisons eSIM vs roaming: which is cheaper abroad? 4 min read · Updated 19 July 2026 Costs & comparisons How much mobile data do you need abroad? 4 min read · Updated 19 July 2026 Costs & comparisons Are airport SIM cards a rip-off? 4 min read · Updated 19 July 2026 Costs & comparisons Hotel wifi vs an eSIM: the real cost of "free" 4 min read · Updated 19 July 2026 Costs & comparisons Day pass vs fixed data eSIMs: which suits your trip? 4 min read · Updated 19 July 2026 Costs & comparisons How to avoid roaming charges completely 4 min read · Updated 19 July 2026 Costs & comparisons Regional vs global eSIM: which do you need? 3 min read · Updated 19 July 2026 Costs & comparisons eSIM vs local SIM: which is better abroad? 4 min read · Updated 19 July 2026 Costs & comparisons eSIM vs pocket wifi: which should you use? 4 min read · Updated 19 July 2026 Costs & comparisons eSIM vs travel SIM card: what is the difference? 4 min read · Updated 19 July 2026 Costs & comparisons Are free eSIMs worth it? 4 min read · Updated 19 July 2026 Costs & comparisons eSIM vs relying on free wifi abroad 4 min read · Updated 19 July 2026

Destinations & use-cases

Destinations & use-cases Can I use one eSIM in multiple countries? 3 min read · Updated 19 July 2026 Destinations & use-cases Cruise data: why ships are different, and what works 4 min read · Updated 19 July 2026 Destinations & use-cases eSIM for Thailand and Southeast Asia island hopping 3 min read · Updated 19 July 2026 Destinations & use-cases Data setup for digital nomads working abroad 3 min read · Updated 19 July 2026 Destinations & use-cases Buying eSIMs for the family: one plan or several? 3 min read · Updated 19 July 2026 Destinations & use-cases The best eSIM setup for business travel 3 min read · Updated 19 July 2026

Troubleshooting

Troubleshooting eSIM not working abroad? Here is how to fix it 4 min read · Updated 19 July 2026 Troubleshooting Does an eSIM drain your battery? 3 min read · Updated 19 July 2026 Troubleshooting How to check your eSIM data balance 3 min read · Updated 19 July 2026 Troubleshooting Can you hotspot with an eSIM? 3 min read · Updated 19 July 2026 Troubleshooting What happens when your eSIM runs out of data? 3 min read · Updated 19 July 2026

Smart traveller

Smart traveller Can I keep my number and WhatsApp on an eSIM? 3 min read · Updated 19 July 2026 Smart traveller When should you buy an eSIM before a trip? 3 min read · Updated 19 July 2026 Smart traveller First eSIM? Seven tips for first-time travellers 5 min read · Updated 19 July 2026

Best-of guides

Best-of guides Best eSIM for Europe travel in 2026 4 min read · Updated 19 July 2026 Best-of guides Best eSIM for the USA in 2026 4 min read · Updated 19 July 2026 Best-of guides Best eSIM for Asia in 2026 4 min read · Updated 19 July 2026 Best-of guides Best eSIM for long trips and multi-month travel 4 min read · Updated 19 July 2026 Best-of guides Best eSIM for a cruise: port days sorted 5 min read · Updated 19 July 2026 Best-of guides Best eSIM for digital nomads in 2026 4 min read · Updated 19 July 2026