
SwitchBot Lock Ultra
The SwitchBot Lock Ultra is a retrofit smart lock designed to automate your existing door lock without a full hardware swap. It aims to bring app-based access and smart-home convenience to doors that already have a compatible deadbolt installed. For shoppers who want smarter entry with less invasive installation, it sits in the practical middle ground between a basic lock and a full replacement smart lock.
Pros
- + Retrofits onto many existing deadbolts without replacing the whole lock
- + App-based locking and unlocking adds convenience for shared access
- + Works well for renters who want a less permanent smart-lock setup
- + Pairs naturally with other SwitchBot smart-home devices
- + Compact add-on design keeps the exterior door look mostly unchanged
Cons
- - Usually needs a separate hub for full remote control and voice assistant features
- - Battery-powered design means ongoing charging or battery maintenance
- - Fit can vary depending on your deadbolt and door hardware
- - Not as clean-looking as a fully integrated replacement smart lock
Key Specs
- Type
- Retrofit smart door lock
- Brand
- SwitchBot
- Price
- CAD 235.24
- Control
- App control
- Product
- Lock Ultra
- Category
- Smart Home
- Installation
- Attaches to existing lock hardware
Our Verdict
A good fit if you want smart-lock convenience while keeping your current deadbolt. Just make sure your door hardware is compatible and budget for any extra hub accessories you may need for the full experience.
Best For
Renters, apartment dwellers, and homeowners who want to upgrade an existing deadbolt with smart control instead of replacing the entire lock.
How It Compares
| Spec | SwitchBot Lock Ultra | Aqara Door & Window Sensor P2 | Amazon Echo Hub |
|---|---|---|---|
| Price | ~C$235.24 | ~C$24 | ~C$179 |
| Type | Retrofit smart door lock | — | — |
| Brand | SwitchBot | — | — |
| Price | CAD 235.24 | — | — |
| Control | App control | — | — |
| Product | Lock Ultra | — | — |
| Category | Smart Home | — | — |
| Installation | Attaches to existing lock hardware | — | — |
| Battery | — | CR1632 (5-year life) | — |
| Protocol | — | Thread (Matter) | — |
| Dimensions | — | 1.3 x 1.3 x 0.5 inches | — |
| Compatibility | — | HomeKit, Alexa, Google Home, SmartThings | — |
| Display | — | — | 8-inch touchscreen |
| Mounting | — | — | Wall mount included |
| Connectivity | — | — | WiFi 6E, Zigbee, Matter, Thread, Bluetooth 5.2 |
| Voice Assistant | — | — | Alexa |



