The most reliable is that cool keylogger software www.refog.com/free-keylogger.html. It will give you access to the device location in real-time, as well as its contact details, calendar details, call history, locations, camera, internet activities, audio, and text messages. You can also monitor social media and communication apps, such as Snapchat, Facebook, WhatsApp, Telegram, hack their Instagram accounts. This makes it a perfect app for keeping tabs on children or loved ones or monitoring company-issued phones. It also has versions for Windows and Mac so that you can keep track of children's or employee's PCs as well.