Having a device enrolled in an MDM package does not make it a corporate device. Many corporations require personal devices be managed to support remote wiping. If I install a productivity or developer tool on my personal phone or laptop for personal non-corporate use I would get mistaken as a corporate user by this process.
If you want to collect this information you should be clear about it and know and understand your edge cases before you start attempting enforcement actions based on it if that is the intent.
In general in my experience, personal tools are a VERY hard market to sell into for corporate environments (I took a peek at what the software on OPs site requires a commercial license to use). I would bet most if not all of what you're catching here is unauthorized installs in a corporate environment and you're more likely to loose interested users than sell more commercial licenses.
>Many corporations require personal devices be managed to support remote wiping.
Corporations cannot require you to have your personal devices be managed by them. If you're surrendering your own gear to a company, it stops being your own device.
But they can require things of devices connected to their wifi or being brought to their premises. You are welcome to leave the device at home if you don't want to consent.
Depends on the local laws. Where I live, they can either deal with it, or provide a secured storage space for the duration of the visit.
Either way, if a corporation wants their employees to use a device, they are obliged to make one available. Surrendering your private equipment to their management makes it not yours anymore.
Yeah you're 100% right that it's optional. It's usually only required to allow company data such as email, slack, file sharing etc on your personal device. If you're on-call it is VERY rare for an employee to win a fight on making the company provide a dedicated device for that purpose (which can inherently make it a condition of your job but that's an exception).
Most employees tend to not care about the why and are happy to just do it making "you" (the one bucking the trend) the oddball. The one not being the team player. It's not legally required, and you won't be fired for it, but its strongly socially encouraged and that makes it mandatory for anyone not willing to put up that fight.
On iOS there is the concept of "Managed Apps" that is appropriate for a BYOD scenario. They are info sandboxed and can't share information (either direction) with unmanaged apps. That would count as an MDM enrollment, if you are looking for it.
If you want to collect this information you should be clear about it and know and understand your edge cases before you start attempting enforcement actions based on it if that is the intent.
In general in my experience, personal tools are a VERY hard market to sell into for corporate environments (I took a peek at what the software on OPs site requires a commercial license to use). I would bet most if not all of what you're catching here is unauthorized installs in a corporate environment and you're more likely to loose interested users than sell more commercial licenses.