Already have a door lock? Good. Now get real security.

Loved by our 15,000+ Customers

This is what the future of door security looks like:

The Door Bull works with your existing lock to block forced entry — right from behind the door.

Engineered for real people. DIY install in 5–10 minutes. No extra tools.

Secure my Door!
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It's All Included

Reinforces your door using the strength of the frame to resist forced entry.

Comes with 6 heavy-duty screws to fortify your door hinges.

Made from tough, durable aluminum.

Drill bit and all parts included for easy setup.

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A security innovation so effective, we patented it.

  • Regular Locks Suck.

    Locks can be picked. Doors can be kicked. The Door Bull stops both with unmatched reinforcement.

  • DIY Install

    No professionals needed—install The Door Bull yourself in minutes without any fancy tools.

  • The Perfect Fit

    Perfectly engineered for most inward-opening single doors, creating a tight, secure fit.

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  • Home Security

    Whether you own or rent, The Door Bull reinforces your front and back doors, providing unmatched protection.

  • Schools & Daycares

    Enhance security in classrooms and childcare facilities with The Door Bull, adding an extra layer of protection against unauthorized entry.

  • Apartments & Dorms

    The Door Bull adds extra security to rental units and dorm rooms, preventing forced entry without permanent modifications.

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Don't compromise on security.

Contact Us!