CryptoeSIM

Install the profile while you still have Wi-Fi at home, but leave it switched off. Most plans start their validity window on first network connection, not on purchase.

Yes. The eSIM runs as a second line for data while your physical SIM stays in place for calls and SMS. Just switch mobile data to the eSIM and turn roaming off on the primary line.

Regional plans do — Europe, Asia, Latin America, the Gulf and global bundles all cover a country list shown on the plan page. Single-country plans cover only that country.

The connection stops rather than billing you extra. You can top up the same profile from the dashboard using your tracking code, or buy a new plan.

Yes, as long as you have Wi-Fi to receive and install the QR code. Airport, hotel and café Wi-Fi are all fine.