安心ナビ（探される：お子さま用）

安心ナビ（探される：お子さま用） is a lifestyle app by KDDI株式会社 with 100,000+ downloads (about 120K estimated). +79 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.

From the store listing: “Au's secure GPS service that lets you know where your child is. Not only can you see where you are, but you will also be notified by email when you are out of the pre-designated area such as school routes and lessons.”