Self-Management: Auto-closing Exterior Door Hardware?

[Eric La Pratt]

I am looking to add several smart home features to my properties to allow me to more effortless manage my small multi-families from afar. One of those features is programmable door locks. While I already use these and they are super successful for me, I need to add an auto-close feature to the doors to ensure they actually get locked. This isn't a My doors are typical fire-rated exterior doors. Smart locks only work when the door has been fully closed. This would help the occasional bad behavior (it happens on accident, despite all efforts) to ensure a smart lock engages.

What automatic door closers have you used and loved? Which ones didn't work and you didn't like? Have hinges been okay for you or have you gone to the full on industrial-type mounting system?