What are some alternatives?
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
FlexiSPY - FlexiSPY is the original "phone spy" software - it's been on the market since 2005.
Life360 Family Locator - Life360 helps manage the chaos of your daily family life and lets you know:
Bosspy - Download for free our software to remotely monitor on text messages and SMS, calls, GPS locations, website visited, and more!
Find My Friends - Use Find My Friends to keep track of your traveling companions when you’re on vacation.
iKeyMonitor - iKeyMonitor is a mobile app for both iPhone and Android devices that with parental control capabilities and phone monitoring features.