We have a teenage son who uses Tinder, I’m thinking this may come in handy.
Today, WhatsApp announced a new feature that will allow location sharing between friends. The feature allows you to share your real-time location with your family or friends. In their blog post, WhatsApp writes: Whether you’re meeting up with friends, letting loved ones know you’re safe, or sharing your commute, Live Location is a simple and…
via You Can Now Use WhatsApp to Find Your Friends: Here’s How — Heavy.com
cornfedcontessa 
My family and I use an app called 360 which does the same. Much has been said against such apps but used for safety, is a good thing.
Thanks!