Qottaby(キューオッタバイ) is a lifestyle app by Otta Inc. with 10,000+ downloads (about 30K estimated). +25 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “A new watch for Kyushu Electric Power. Qottaby protects your loved ones with everyone in the community. It is a community-based smart watching service.”