August Smart Lock vs Yale Assure Lock 2

By Billy G. · Founder & Lead EditorVerified May 21 by Billy G.

August Smart Lock
Yale Assure Lock 2
Yale Assure Lock 2
Verified Confidence: 85%

Verdict: Yale Assure Lock 2 leads with superior battery life up to 12 months and stronger ecosystem ties per RTINGS and CNET comparisons. August Smart Lock excels in compact retrofit ease and HomeKit compatibility but needs an extra bridge for full remote features. Yale wins overall for most users seeking a durable standalone solution.

Winner: Yale Assure Lock 2

August Smart Lock: 7.5/10

Yale Assure Lock 2: 8/10

Spec-by-spec comparison

August Smart LockYale Assure Lock 2
ConnectivityBluetooth + Wi-Fi bridgeBluetooth + optional Wi-Fi module
Battery LifeUp to 6 monthsUp to 12 months
Lock TypeDeadbolt retrofitFull deadbolt replacement
Auto UnlockYes, via phone proximityYes, via phone proximity

August Smart Lock

What works

  • Seamless integration with Apple HomeKit and Alexa
  • Compact design fits most existing deadbolts
  • Reliable auto-unlock feature based on location

What doesn't

  • Requires separate Wi-Fi bridge for remote access
  • Limited native Yale ecosystem support

Yale Assure Lock 2

What works

  • Longer battery life and built-in keypad option
  • Strong integration with Yale and Nest ecosystems
  • More robust physical build quality

What doesn't

  • Larger footprint may not fit all door styles
  • Higher upfront cost for full replacement

Bottom line

Our pick: Yale Assure Lock 2. It edges out the alternative on longer battery life and built-in keypad option. That said, August Smart Lock still wins on seamless integration with apple homekit and alexa — consider it if that single trade matters most for your use.

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