Here is an app smart coffee roaster that helps you prepare more flavorful coffee. The Sandbox Smart R2 Coffee Roaster has a quartz heating tube to ensure even results. It has a noise rating of under 65dB. This coffee roaster has max capacity of up to 19.5oz. It has a window that lets you see your coffee beans during the process.
The Sandbox Smart R2 Coffee Roaster is compatible with iOS and Android devices. It has over 60 profiles for you to choose from but you can always adjust time, temperature, fan power, and drum speed from your phone.