[Markoff]

I use email corner with push, so I have emails instantly with notification to my smart watch, all my clients send me tasks through email

yes, especially the 4th point, the entering all the recipient's banking details on real keyboard is much more convenient than switching the windows and checking some microscopic numbers in PDF document on smartphone same copypasting them one by one between different fields (and yes, there are many companies which still don't provide QR code in their invoice)