The best alternatives to RedZone are Citizen, Companion, and Wildfire. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
Guardyman is a mobile app for monitoring crime and sex offenders, it was designed to keep you aware of local danger. It shows the latest registered crimes and a list of sex offenders and provides essential insights into what's happening in your area.
Guardians is a personal safety app designed to be used with your close family & trusted friends. It starts with location sharing but it’s lot more than that.
With Safone, notify your friends, family and loved ones automatically whenever you arrive at destination. You'll never have to think again about sending that famous SMS "I've arrived safely".