サマリーポケット-月額330円/箱〜利用できる収納サブスク- is a lifestyle app by Sumally (サマリー) with 50,000+ downloads (about 76K estimated). +116 installs in the last 7 days. Released Jun 21, 2016. Install growth, rank history, SDKs and ad networks.
From the store listing: “A storage subscription where you can deposit 3 boxes and clean up your room for 990 yen! A wide variety of plans will help you find the perfect storage for you.”