Saily launched in 2024 under Nord Security, the company behind NordVPN, and it shows. Most eSIM providers are purely in the connectivity business: buy a plan, get data, done. Saily takes that baseline and adds a layer of security tools built directly into the service, including an ad blocker, web protection, and virtual location, none of which cost extra.
For travelers who already think about what happens to their data on public Wi-Fi in airports and hotels, that combination in a single app is worth paying attention to.