A wide range of lone worker alarms are available, with some being wireless. These can be used in a variety of ways, but all aim to provide workers with a way to raise an alarm when they feel unsafe or in need of assistance. lone working device AppsThe most popular form of lone worker alarms are apps that can be used on smartphones. This is because they offer a more intuitive and easy to use solution than standalone devices or walkie talkies.They also tend to be easier to adopt for less tech savvy staff. Most apps will be able to send out notifications when a user has not checked in within a pre-set time, and can also allow them to check in via text or walkie talkies when they are not on their phone.Bluetooth Panic AlarmsBluetooth panic alarms are another popular form of lone worker alarm, but they usually do not offer any real-time location tracking. They can however still be a useful option for lone workers who are working on a remote or high-risk site, as they will usually be able to connect to a mobile network.Standalone DevicesOften made from plastic with few delicate parts, standalone devices are very robust and easy to understand for less tech savvy staff. They will usually have a SIM card built into them and work in much the same way as a mobile phone, with no need for WIFI or internet connectivity.