What is Auto Reply?
Auto reply have miniamal functions it will just reply any messages that are recieved,
it is perfect tool to use for greeting notification or away for vacation message.
What is Smart Auto Reply?
Smart auto reply have various options that can be used to config smart replies triggered by diffrent keywords recieved in a message, it is giving you full control even to setup full conversation as you can reply different messages with different replies baseds on found triggers in a message.