Android is great if you are on a budget and can't purchase other operating systems for mobile devices. It is also great for installing third-party apps if you find one you like. Although there is a lot of customization options available, this may cause some users to become frustrated if they are unfamiliar with this system.
Kali is quite honestly appropriate for use on a Test Lab, a Virtual Machine, it will even run on a Raspberry Pi. It is the most popular tool used in most all training courses. It can be uses in home labs, work labs and production environments to perform real life scans for vulnerabilities among other things. It is the most popular tool for Cybersecurity tool.
It is very easy to use and the customer user interface is very smooth and logical. Rarely do applications crash and need reinstallation. The app store is secure enough to prevent malicious software from being advertised and potentially downloaded. Rebooting devices does not have to be a regular occurrence so this allows for high availability.
There have been only two times that I have needed to contact Android support for technical issues and both times I received some support. I received more helpful tips from Youtube, so I now bypass support and try to do most of our troubleshooting on my own with these support videos online.
Android allows users to customize their systems. It is very simple to use and there are a lot of devices running it. The interface has been improving a lot since Android Lollipop and it has been becoming more useful. For developers, Android gives more possibilities and the license for distributing your app is cheaper than the Apple Software Developer Program.
The hard feature to be beat Kali with is the amount of preinstalled tools. I.e. Ubuntu is great but you would have to install each and every tool separately
Till now Kali Linux have not made a single penny negative impact on our companies business , its so powerful and useful at the same time for our company.