If you purchase Antstream online, or via iOS, Android or Amazon. You can use your subscription across PC, Mac, Linux, iOS, FireTV, Samsung and Android devices.
Epic - If you purchase a subscription via Epic, this is tied to your Epic account and will not transfer to other platforms.
Microsoft Xbox - Your account is tied to your Xbox account and is not transferrable. We are working with Microsoft to enable this feature in the future.
Sony PlayStation - Your account is tied to your Sony account and is not transferrable. We are working with Sony to enable this feature in the future.