Realm Grinder is an Android app developed by Kongregate (Kongregate Inc.10680 Treena Street, Suite 155San Diego, CA 92131). Others apps created by Kongregate are: Where's My Water? 2, Bit Heroes, Burrito Bison Launcha Libre, Run, Animation Throwdown: TQFC, TMNT: Mutant Madness.

Realm Grinder first became available on 24 Jan 2017. It is estimated that Realm Grinder has been downloaded between 1000000 and 5000000 times from the Play Store.