Aug 18, 2026
In today's era, smart locks are no longer limited to basic keypad entry. These models can offer fingerprint recognition, smartphone control, Apple Home integration, and even specialised access control for outdoor gates.
The iuknob IU-32 and ThorBolt X1 are two of the most reliable smart lock options when it comes to home security. The IU-32 focuses on two-sided keypad security and weather resistance, while the ThorBolt X1 is designed for biometric access and connected smart-home functionality, particularly for Apple users.
iuknob IU-32 vs ThorBolt X1 specs
| Feature | iuknob IU-32 Keypad Door Lock | ThorBolt Door Lock |
| Lock type | Double-sided keypad lock | Smart fingerprint deadbolt |
Fingerprint | No | Yes, 0.2s |
Apple Home Key | No | Yes |
Connectivity | None | Thread, NFC, Bluetooth |
Mobile app | No | Yes |
User capacity | Up to 50 codes per keypad | Up to 50 users |
Passcodes | Up to 50 per keypad | Up to 100 |
| Best deals | iuknob IU-32 Keypad Door Lock | ThorBolt Door Lock |
iuknob IU-32 Double-Sided Keypad Door Lock
The iuknob IU-32 is designed for a very specific purpose: providing controlled access from both sides of a door or gate.
Pros
- True double-sided keypad access
- Up to 50 passcodes per keypad
- IPX6 weather resistance
- Automatic code synchronisation
- Anti-peeping PIN protection
Cons
- No fingerprint scanner
- No Wi-Fi or Bluetooth
- No smartphone or remote access
ThorBolt X1 Smart Keyless Entry Fingerprint Door Lock
The ThorBolt X1 takes a much more connected approach. Rather than focusing on two-sided access, it combines fingerprint recognition, touchscreen PINs, Apple Home Key, NFC, Bluetooth, mobile app control, Siri voice commands, and a physical key.
Its standout feature is Apple Home integration. iPhone and Apple Watch users can tap their device to unlock the door using Apple Home Key, while the fingerprint sensor can recognise registered users in approximately 0.2 seconds.
Pros
- Extremely fast 0.2-second fingerprint recognition
- Apple Home Key support
- Thread, NFC, and Bluetooth connectivity
- Six different access methods
Cons
- Best suited to Apple users
- Requires a Thread Border Router for remote features
- Uses eight AA batteries
Which keypad smart lock should you buy?
The iuknob IU-32 is the better choice for users who need two-sided access control, strong outdoor weather resistance, and simple offline operation.
The ThorBolt X1 is the stronger overall choice for a modern residential smart lock, particularly for iPhone and Apple Watch users. Its fingerprint scanner, Apple Home Key, Thread connectivity, and multiple access methods provide considerably more smart-home functionality.
