August smart lock is one of the cheapest smart locks that still offers value. It lacks a few features, unless you get an August connection to go with it, and even then, it still doesn't play nicely with the Apple HomeKit.
$ 113 on Amazon
Pros
- Cheaper
- Easy to install
- Battery life of 3 months
Versus
- There is no voice support without an August connection
- It does not support HomeKit even with the connection
August Smart Lock Pro comes with everything you need and want in a smart lock. With support for Google, Apple and Amazon and the inclusion of the connection makes Smart Lock Pro easy to use; however, you may want to. All features come with a price that can shock your wallet.
$ 230 on Amazon
Pros
- Works with Alexa, Google Assitant and Apple HomeKit
- It has remote access
- Comes with August connect