No obligations; it is free (ads free too).
Included features:
In case of an emergency it can send an emergency sms to your contacts.
This Emergency app will keep you informed your current location. You can view, share with others.
This Emergency app will also provide you the current country emergency numbers - Police, Fire, Ambulance.
This Emergency app maintains a copy of all country emergency numbers. You can search it by country name.
This Emergency app allows you to activate distress through your phone notification Bar action button, phone Power button, and SOS button.
This Emergency app allows you customise your SMS message with no character limits. You can also include your last known locations.
This Emergency app can also send emergency message to your emergency email contacts.
This Emergency app comes with default Police siren voice, which can very helpful in notifying passerby and you get their attentions.
This Emergency app should* work even when you are travelling overseas (Internet, SMS credit required. Please test all app operations).
This Emergency app comes with "Photo mail" feature that can capture a photo and quickly sent an email to your pre-filled email addresses.
This Emergency app comes with whistle voice.