August Wi-Fi Smart Lock vs. August Smart Lock Pro: Which should you buy

August Wi-Fi Smart Lock (4th-gen)

August's 4th-generation smart lock, the August Wi-Fi Smart Lock, eliminates the bulk from previous generations and builds Wi-Fi support right into the lock.

August Wi-Fi Smart Lock (4th-gen)

Built-in Wi-Fi is just the beginning

Wi-Fi built-in (no external bridge required)Nearly 50% smallerImproved gripInstalls in 10 minutes or lessDon't need to completely remove existing deadbolt (renter-friendly)Shorter battery lifeUncommon CR123 batteries

August Smart Lock Pro (3rd-gen)

The 3rd-generation August Smart Lock Pro requires an external August Connect bridge to connect to your home's Wi-Fi network, and it's quite a bit larger than the August Wi-Fi Smart Lock. On the bright side, it's got twice the battery life.

August Smart Lock Pro (3rd-gen)

Still great for pros

Longer battery lifeAA batteriesInstalls in 10 minutes or lessDon't need to completely remove existing deadbolt (renter-friendly)Can work offline with Z-Wave hubs like SmartThingsRequires external bridge for Wi-Fi connectivityLarger

Four generations of excellenceThe fourth-generation August Wi-Fi Smart Lock not only shrinks the physical size, but it also packs Wi-Fi connectivity right in.

Still a great smart lock

August Smart Lock Pro (3rd-gen)

Easy and long-lastingThe August Smart Lock Pro (3rd-gen) is still one of the easiest smart locks to install and use, and it's got fantastic battery life, too.