If your kid has a cell phone, I found  three apps that let you track where they are if they're trick-or-treating with friends.  Family Locator uses GPS, and has an S.O.S. button they can press if they need you. If they have a real emergency an app called Red Panic Button is basically like the S.O.S. button but is easier for little kids to use. The third is an app called Life360. It lets you set boundary limits for your kids while they are out trick or treating.  If they get too far away, you'll get an alert.

1.  Family Locator.  It uses the GPS on their phone to show exactly where they are in real time.  You just log in on your phone, and it pulls up a map.  Or if they need you, they can press an S.O.S. button that sends you their location.

2.  Red Panic Button.  It's basically like the S.O.S. button, but simpler so it's good for little kids.  All they have to do is push a big red button, and it automatically sends you a text with a link to a map that shows where they are.

And you can put multiple people on the contact list, so more than one person gets it.

3.  Life360.  Again, you can see where they are on a map in real time, and they can message you if there's a problem.  But the cool part is you can also set boundary limits.  So you get an alert if they go too far away, or cross a street they're not supposed to.

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