KT 아이서치 is a free Android application developed by KT Corporation that allows parents to easily and conveniently check their child's location. The app offers several features for both parents and children to ensure their safety.

For children, the app allows them to change their travel route, send their location to their parents, and request help in emergencies. Parents can view their child's location history for the past 72 hours, manage registered guardians and relationships, and change their child's safe zone and safe return settings. The app also offers emergency video recording during safe return mode.

For guardians, the app allows them to check their child's current location and location history for the past 72 hours. They can also register or delete guardians, and use the safe return function to guide their child's location while moving. The app also offers an emergency call button and video recording during safe return mode.

The app requires an Android version of 6.0 or higher and offers optional access permissions for microphone and camera. The app costs $3,000 won per month, but is free for users with an affiliated tariff plan.

Overall, KT 아이서치 is a great app for parents and guardians who want to keep their kids safe and monitor their location with ease and convenience.