My Little Terrarium is an Android app developed by 1N1 (서울특별시 마포구 백범로 35 서강대학교 아루페관 3층 304호). Others apps created by 1N1 are: Cafe Heaven, Cat Bakery, Project Clean Earth, Detective Mio, Neko Sushi.

My Little Terrarium first became available on 21 May 2019. It is estimated that My Little Terrarium has been downloaded between 1000000 and 5000000 times from the Play Store.