How to use the eSIM vs Roaming Cost Calculator
Fill in the fields on the left. Results, charts and the breakdown update instantly as you type or move a slider. Pick your country at the top of the page to switch currency.
Formula
Roaming = daily pass × days
eSIM = plan price × number of plans needed for your data
Frequently asked questions
Can I keep my number with an eSIM?
Yes. On a dual-SIM phone your home SIM stays active for calls and texts while the eSIM handles data.
Does my phone support eSIM?
Most iPhones since the XS and most recent Samsung Galaxy and Google Pixel phones do. Your phone must also be carrier-unlocked.
Results are estimates for information only and are not financial, tax or legal advice. Tax rules, interest rates and fees change, so confirm important numbers with your bank, employer or a qualified adviser. Read our disclaimer.