Question

Is there any residential smart lock that has a keypad, can be used with proximty fob or NFC in phone and works with Android?  

Answer 1

Yale has some options. Then there is IDLock. They’re both ZWave so it can work with SmartThings or equivalent. They’re much safer than a key and both have 9v external contacts to power it up just Incase the batteries run out (about 1yr life)

Answer 2

It's not a good idea to use smart locks externally

Comments

Wifi can be accessed a lot easier, smart locks wont work on upvc doors that have multi lock levers ie the type of door you have to push the handle up to lock. You choose. But I advise against it and I do this stuff for a living

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I do security for a living as well. Door locks don't really stop anybody that truly wants into the house. Destructive entry is always an option, and so is other ingress points like windows. As for the debate between keys and Wi-Fi coded locks. How many people have the skill to use a key, versus how many people have the skill to hack a door lock. Risk management always includes likelihood as a metric. That WiFi lock is FARRRRRRRR more secure than your key lock. And yes, that includes deadlocks. People that argue how easy it is to hack a door lock don't do a lot of physical penetration testing.  

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Then as you do it as a business you will know, that if you have a multi lock Pvc door smart locks wont work, ie if you have to push the handle up to lock a smart lock wont do it, so no smart locks dont beat keys

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@vine not everybody has a PVC door though (isn't it actually upvc?  

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Well pretty much all the doors I come across are upvc, stronger locking,