Si4Locker
Lock Your Devices Simple,Safe
Only for Mac
Free · In‑App Purchases
Mac
Si4Locker is a smart and safe, simple powerful screen-locking tool , designed to protect your device with multiple locking mechanisms .
Key Features:
• Lock your device instantly via hotkey
• Remote lock from your iPhone over Wi-Fi with pairing code
• Optional internet-based lock via self-hosted API or built-in service
• Fully functional offline — connect only to your own trusted server if needed
• OTP LockScreen make your device more safe
Perfect For:
• Developers, remote workers, and privacy-conscious users
• Preventing unauthorized access when stepping away
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
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Fix the incorrect prompt text in the subscription dialog.
The developer, 文焕 陈, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 文焕 陈
- Size
- 1.7 MB
- Category
- Utilities
- Compatibility
Requires macOS 11.5 or later.
- Mac
Requires macOS 11.5 or later.
- Mac
- Languages
English and 6 more
- English, Arabic, French, German, Japanese, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- 1 year service and OTP Screen $2.99
- 1 month service && OTP Screen $0.99
- Copyright
- © Si4Key