aladeng is a free Android-based app designed to help parents monitor their children's whereabouts and ensure their safety. The app provides several essential features, including an in-app voice intercom, group chat, and text chat. One of the app's most significant advantages is its hybrid positioning system that supports WIFI, GPS, base station, and other positioning methods. This feature also supports track query and electronic fence for better location accuracy.

Moreover, the app has a call function, allowing two-way conversation, one-button monitoring, and rejecting strange calls. The time management system is another notable feature of aladeng. The app is associated with the curriculum and can set the children's curriculum. The class lock feature sets the class time for each class. During the class time, the watch can only watch the time, ensuring that children do not get distracted.

In conclusion, aladeng is an excellent utility and tool app for parents who want to keep a close eye on their children's whereabouts and ensure their safety. Its hybrid positioning system, call function, and time management system make it a perfect app for parents to monitor their children's activities.