Does it cost money to download the App? Particula Help Center November 08, 2021 18:43 No, it doesn’t cost any money to download the App. Related articles Which device is compatible with the app? Battery and Charging Recommendation Can I connect my 2x2 to multiple devices? I can’t see my GoCube in the pairing screen GoCube 2X2 Assembly Comments 0 comments Article is closed for comments.