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Safety · How it works

How a family locator's SOS works (and why it can't replace 112)

The SOS alerts your circle with your location. It doesn't call an ambulance. Both matter, and it helps to know what each one does.

The Mi Estela teamOctober 14, 2026 · 5 min read
A night road lined with trees

Almost every family locator app has an SOS button, and almost nobody knows exactly what it does. Let's explain it using Mi Estela's, since that's the one we know from the inside, and make the line with real emergencies clear.

What Mi Estela's SOS does

  1. Alerts your circle with your location. Everyone in your circle (or circles), instantly, with a notification that sounds.
  2. Puts 112 right at the top, so you can call it with one tap. And AlertCops, the official app of the Spanish National Police and Civil Guard, is one tap away too.
  3. Works without signal on the part that depends on us: if there's no network, the alert waits and is sent as soon as it comes back.
  4. Has a cancellable countdown, so you don't set it off by accident with the phone in your pocket.
  5. Shares your location no matter what under your privacy settings: even if you're in Ghost Mode, the SOS sends where you are.
  6. Free forever. Safety isn't charged for, and never will be.

In some Worlds, the SOS comes with a guide: when you're driving, it tells you step by step what to do if there's an incident on the road; at sea, it gives you VHF channel 16, what to say and in what order, and Salvamento Marítimo (Spain's sea rescue service) one tap away.

What the SOS doesn't do

  • It doesn't call an ambulance or the police for you. You do that yourself, with 112 one tap away.
  • It doesn't guarantee your people will see it: their phone has to be on, with signal and notifications turned on. We say so in the app, exactly like that.
  • It doesn't detect accidents on its own. You press it. (Some apps do, like Life360; we don't, for now.)

So what's it for?

For what happens between “I'm okay” and “I'm calling 112”: I fell and can't walk properly, I got lost at night, I feel unwell somewhere unfamiliar, someone gives me a bad feeling. Situations where you want your people to know where you are right away, without having to explain anything, while you decide whether to call emergency services. And for older people: “if something happens, alert your people” is a big button in Senior Mode.

AlertCops: the police in your phone

Spain has an official, free app from the Ministry of the Interior that actually connects you to the police: AlertCops. Location-based alerts, chat with the police control room, and an SOS button that, after five presses, records ten seconds of audio and sends your position. “Acompáñame” so people can keep you company along a route, and “Guardián” for events and routes under watch. It doesn't replace 112 (its own legal notice says so), but it's the official tool. It's worth having, which is why Mi Estela's SOS links to it. What AlertCops does.

112

112 is the single emergency number across the European Union: free, it works without credit, and from any phone. In a real emergency (a crash, an assault, someone unconscious), the order is: 112 first, SOS to your people after. No app changes that.

Everything about the feature: Mi Estela's SOS.

Sources

Written by the Mi Estela team. We talk about other apps with sources and dates; if you spot anything outdated, drop us a line at hola@miestela.app and we'll fix it. Brands and names mentioned belong to their respective owners.