Sister is the most complete safety app, it is female-led and tailor-made to ensure safety at home or outdoors. Asking for help is discreet and can be done for both prevention and emergency.

With Sister you can:

- Choose your trusted contacts and share your live location with them.
- Follow the safest route, seeing the police stations nearby and the risk zones of your city.
- Activate a deterrent alarm.
- Ask for help to your contacts and, if you want, to the emergency services.
- Register evidence: on SOS mode your telephone records automatically audios and take pictures that are stored on Sister’s cloud.

How does Sister work?

Sister provides security 24/7 to be protected all day long and walk without fear.

#1 Prevention

Use Sister to share your whereabouts with your trusted people so they can walk you home in real time. You can also select the safest route, seeing the nearby police stations and the risk areas, where other users on Sister have asked for help.

# 2 Reaction

If you are in danger, activate SOS with one click and we'll send your live location to your contacts, notifying them that you need their help. Also, we'll display the number of the emergency services for you to call if you want. If something happens, you can always use the evidence that the app registers and stores confidentially in its cloud, never in your phone.

Sister is not just an app, it is a technological ally in the fight against sexual harassment. Currently, we work with international NGOs to improve the safety of girls and women around the world.

What’s New

Version 2.4

Thanks for using Sister!
We continue working to provide you with the best safety app. This version comes with a BIG price reduction for the annual subscription and a couple of bug fixes.
Loving our app? Remember to leave a review!

Ratings and Reviews

5.0 out of 5
4 Ratings

4 Ratings

App Privacy

The developer, Wave Application S.L., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Contact Info
  • Contacts
  • User Content

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Contact Info
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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