Best for Existing hardware reuse
Yale August Smart Lock
4.7 feature score
Highest scored product for this feature based on supporting review evidence.
Best Yale Smart Home for Existing hardware reuse
Existing hardware reuse Decision Dashboard
Safest pick
Yale Approach Smart lock
4.1 feature score
Balances feature score, supporting reviews, and overall product strength.
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Keeping the outside hardware and existing deadbolt was repeatedly praised, especially for renters, maintenance access, and preserving exterior appearance.
Pros: Locking motor, Physical attack resistance
Cons: Fingerprint, Battery
Reviewers generally liked keeping exterior hardware and existing keys, especially for renters, though one questioned whether the retrofit concept justified the extra hardware and effort.
Pros: Key override reliability, Remote access
Cons: Warranty and support, Bluetooth