August Wi-Fi Smart Lock vs Yale Assure Lock 2 with Wi-Fi
Side-by-side comparison based on published product information. Check Amazon for current price and availability.
How we evaluate products
We compare published manufacturer specifications, manuals, support policies, and relevant public guidance. We do not present unpublished laboratory or in-home measurements as our own testing.
Features and services can change, so confirm current details with the manufacturer before buying. Affiliate commissions do not determine our editorial criteria.
Use the feature table below to match published specifications to your storage, power, and monitoring requirements. We do not assign an overall score without retained independent test evidence.
August Wi-Fi Smart Lock
August
Check Amazon for the current price
Yale Assure Lock 2 with Wi-Fi
Yale
Check Amazon for the current price
Feature comparison
| Feature | August Wi-Fi Smart Lock | Yale Assure Lock 2 with Wi-Fi |
|---|---|---|
| Installation | Retrofit over an existing single-cylinder deadbolt, interior side, under 10 minutes | — |
| Connectivity | Built-in Wi-Fi (802.11 b/g/n, 2.4 or 5 GHz) plus Bluetooth, no bridge required | Built-in Wi-Fi (2.4GHz) plus Bluetooth, no separate bridge required |
| Door status | DoorSense sensor reports whether the door is open or securely closed | — |
| Smart home | Works with Alexa, Google Assistant, and Siri; phone or Apple Watch acts as key | — |
| Power | 2 CR123 batteries, included in the box | 4 AA batteries, up to about a year, 9V emergency contacts |
| Dimensions | 72 mm diameter, 46 mm depth | — |
| Certification | Not ANSI/BHMA certified — mounts on an existing certified deadbolt (per August warranty page) | — |
| Entry methods | August app (iOS/Android), Apple Watch, existing physical key, optional keypad (sold separately), Alexa/Google Assistant/Siri voice, Auto-Unlock | Pushbutton keypad code, Yale Access app, physical key |
| Key backup | Retrofit keeps the existing exterior cylinder — original keys still work | Keyed model with KW1 5-pin keyway, backup key included |
| Warranty | 1-year limited hardware warranty | Lifetime limited mechanical and finish warranty for the original purchaser at the original installation; 2-year electronics |
| Access codes | — | Up to 250 shareable, schedulable codes |
| Security certification | — | ANSI/BHMA Grade 2, IPX5 weather rating |
| Door compatibility | — | Door thickness 1-3/8 to 2-1/4 in; backset 2-3/8 or 2-3/4 in; face bore 2-1/8 or 1-1/2 in (adapter for small bore included); edge bore 1 in |