If you want to track the location of a phone or its owner, these apps can help. We’ve researched the pros and cons of the best phone tracker apps for iOS and Android and listed our favorites below.

Life360 lets you know where your loved ones are and lets them know where you are. It allows you to see the real-time location of those who consent to be tracked (it is not legal to track someone without their consent). Know when your partner or other family members leave and arrive at certain locations, such as work, home, and school. There is also a chat function so you can communicate about transportation or safety issues.

Life360 has a free, gold and platinum membership plan.

Glympse lets you and your contacts share location data with an easy-to-understand interface that clearly shows who is where. Use it to send an update so others know when to expect you for a family gathering. Request an update to know how long you have to wait at the restaurant for your coworker. Or set up a group to see a map of where your friends are in relation to the theater on movie night. You can also use it to get help faster in an emergency.