All of these mobile apps are free for Android and iOS.
Dodging Danger: Safeture
Get real-time updates on crime, weather, and other threats in more than 200 countries, plus quick access to local info like recommended vaccines and emergency-services numbers.
Safer Sunning: UVLens
Enter your skin type and location, and this app will offer up the current UV forecast and estimate how long you can be in the sun at various times of day before you start to burn.
Smart Running: RunGo
Before exploring on foot, enter your location in RunGo to find a verified running route with voice navigation so you can avoid wandering into the wrong part of town. Coverage varies by location.
Hitting the Slopes: Mammut Safety
Skiers and snowshoers can read local avalanche bulletins; assess risk with a built-in compass, clinometer, and altimeter; and signal for help with a one-touch SOS beacon.