Compared set
Only 3 of 25 models checked match every need here: “Keep the lock outside unchanged”.
3 matching models from 25 checkedBest for this need
Best smart lock that keeps existing key
Our pick
August Wi-Fi Smart Lock, fourth generation
August Wi-Fi keeps the existing outside cylinder and adds direct remote control with the least extra hardware.
Why it fits this need
- The documented door range is 1.375 to 2 inches thick.
- Entry options include phone.
- Main trade-off
- A keypad is a separate accessory.
- Choose Aqara Smart Lock U200, Silver instead when
- the deciding need is keep the lock outside unchanged
More reasons behind this pick
- The documented platform list includes alexa, apple, google.
- Installation is documented as interior retrofit.
August Wi-Fi keeps the existing outside cylinder and adds direct remote control with the least extra hardware.
What the facts say
What the comparison shows
Useful conclusions from the current smart locks comparison, followed by the checked facts used to reach them.
See the checked facts and calculation notes
Match countThe count uses the current product-to-need assignments for “Keep the lock outside unchanged”. A need with no documented match does not count.
| Product | Needs matched | Checked facts | Source records |
|---|---|---|---|
| August Wi-Fi Smart Lock, fourth generation |
|
| |
| Aqara Smart Lock U200, Silver |
|
| |
| SwitchBot Lock Pro + Keypad Touch + Hub Mini Matter Bundle |
|
|
What matters in practice
How to choose for this need
August Wi-Fi keeps the existing outside cylinder and adds direct remote control with the least extra hardware.
What decides this choice
The documented door range is 1.375 to 2 inches thick. A keypad is a separate accessory.
Why Wi-Fi Smart Lock, fourth generation leads
The documented door range is 1.375 to 2 inches thick. Entry options include phone.
When an alternative fits better
Choose Aqara Smart Lock U200, Silver when the deciding need is keep the lock outside unchanged. Choose SwitchBot Lock Pro + Keypad Touch + Hub Mini Matter Bundle when the deciding need is keep the lock outside unchanged.
What this comparison cannot tell you
- Multipoint and mortise doors need separate fit checks.
- Platform features can change with firmware.
- No consumer lock removes the need for a sound door and strike.
3 options
Our pick and alternatives
August, AUG-SL05-M01-S01
Wi-Fi Smart Lock, fourth generation
The documented door range is 1.375 to 2 inches thick. Entry options include phone.
Winner whenkeep the lock outside unchanged and keep a physical key backup
Decisive facts
- The documented door range is 1.375 to 2 inches thick.
- Entry options include phone.
Trade-off
A keypad is a separate accessory.
Aqara, EL-D02E
Smart Lock U200, Silver
Entry options include fingerprint, home-key, keypad, phone. The documented platform list includes apple, google, alexa, matter.
Choose instead whenthe deciding need is keep the lock outside unchanged
Decisive facts
- Entry options include fingerprint, home-key, keypad, phone.
- The documented platform list includes apple, google, alexa, matter.
Trade-off
Remote Matter control needs a compatible Matter controller and Thread border router.
SwitchBot, Lock Pro Bundle
Lock Pro + Keypad Touch + Hub Mini Matter Bundle
Entry options include fingerprint, keypad, phone. The documented platform list includes apple, google, alexa, matter.
Choose instead whenthe deciding need is keep the lock outside unchanged
Decisive facts
- Entry options include fingerprint, keypad, phone.
- The documented platform list includes apple, google, alexa, matter.
Trade-off
The bundle uses Matter control in Apple Home, but it does not support Apple Home Key tap-to-unlock.
Ready to choose?
Check the price. Read the owner reviews.
Our pick for this need
August Wi-Fi Smart Lock, fourth generation
The documented door range is 1.375 to 2 inches thick.
See price & reviews on AmazonChoose instead when
Aqara Smart Lock U200, Silver
the deciding need is keep the lock outside unchanged
See price & reviews on Amazon