Is Idle Mastermind free?

Yes. The app is free, in all 173 countries it sells in, and it sells nothing inside it.

Does Idle Mastermind have a free trial?

No. None of its offers (US) come with a free trial.

GamesSimulationRole Playing

Name: Idle Mastermind
Rating: 4.6 (737 reviews)
Author: Grumpy Rhino Games LTD

Grumpy Rhino Games LTD

Prices are current as of 21 Aug 2026.

Idle Mastermind has no in-app products on record in the United States.

4.6 out of 5, based on 737 reviews.

Is Idle Mastermind free?: Yes. The app is free, in all 173 countries it sells in, and it sells nothing inside it.
Does Idle Mastermind have a free trial?: No. None of its offers (US) come with a free trial.

Last updated 11 months ago.

Idle Mastermind sells in 173 countries. It was released 5 years and 6 months ago, on 30 Mar 2021. It holds a 4.6 rating from 737 reviews.

Supports 1 language: English.