---
source_url: "https://www.9esim.com/blog/esim-vs-wifi-calling"
title: "eSIM vs WiFi calling abroad: what's the difference, and when to use each — 9eSIM"
mirrored_at: 2026-08-27T01:01:02.965Z
host: www.9esim.com
cited_in_42a: true
mirror_canonical: "https://index.42a.ai/www.9esim.com/blog/esim-vs-wifi-calling"
---

> **Original source:** https://www.9esim.com/blog/esim-vs-wifi-calling

eSIM vs WiFi calling abroad: what's the difference, and when to use each — 9eSIM