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VERIFY . LOCK . DEFEND

Biometric Relationship Lock

Verify if someone is Available or Locked. Create a Relationship Lock™ and defend your relationship with real-time Relationship Threat Alerts

CheckLuv app user interface.

AS FEATURED IN

As featured in Psychology Now
As featured in reddit
As featured in Atlantic Magazine
As featured in Substack
As featured in Vice news

HOW IT WORKS

Instant Relationship Verification. Zero Investigative Work

​Relationship Lock™ connects biometric identity with real-time relationship verification

Green and Red Flags

VERIFY

  • Instant Relationship Verification: Take a pic to verify if someone is single or taken before you invest your time or your heart.

  • The Result: Green Flag means they are Available. Red Flag means they are Locked. Know when to move forward or walk away.

  • Act on the Truth: No more filling in the gaps or second-guessing. You get verified Relationship Status clarity so you can move forward or walk away immediately.

Image of a Lock

LOCK

  • Relationship Lock™: Take a pic and lock your relationship off the market.

  • The Result: Continuous relationship protection with real-time verification alerts.

Relationshipship Threat Alerts Notification Bell

DEFEND

  • Relationship Threat Alerts: Get alerted when someone verifies your Relationship Lock™ status.

  • Direct Contact: Initiate contact with the person who verified your Relationship Lock™, creating a transparent conversation when needed.

STOP VETTING STORIES. VERIFY STATUS

Because Being The Last To Know Is A Cost You Can't Afford

The trust gap is widening. In a world of situationships and hidden double lives, the truth often arrives too late. Stop relying on what people say. Act on what is real.

  • Know the Truth: Stop wasting time on uncertainty. People only show what they want you to see.

  • Seal the Bond: A Relationship Lock™ makes your commitment verifiable the moment someone verifies your Relationship Status.

Angry woman yelling at phone screen
Shocked man staring at laptop screen

LUV BUT VERIFY

Decide With Confidence

Uncertainty is where the damage happens. Stop investigating stories and wasting time on guesswork. CheckLuv replaces the digging with instant relationship verification so you can decide with confidence.

  • Expose Reality: Turn your phone into a relationship verification tool. It delivers a verified Relationship Status without interpretation or uncertainty.

  • Evidence Over Assumptions: Stop wasting hours piecing together social media clues. CheckLuv reveals the truth before your emotions take over.

  • Instant Certainty: Get a clear Green Flag or Red Flag result in seconds. Know exactly when to move forward or walk away.

LUV BUT LOCK

Take Your Power Back

“I am single” is a lie that only works in the dark. By locking your relationship on a verifiable registry, you remove the space where uncertainty operates and reduce the space where ambiguity can exist.

  • A Verifiable Commitment: Deception thrives on ambiguity. A Relationship Lock™ delivers absolute clarity, transforming your commitment into an undeniable record the moment Relationship Status is verified.

  • Persistent Protection: A locked state ensures your profile remains a secure boundary against external uncertainty. Secure your relationship off the market with a verified Relationship Status.

  • Absolute Certainty: Eliminate the need for ongoing interpretation. The registry maintains your verified state of commitment so you can step out of the dark and move forward with total confidence.

Smiling woman holding coffee cup
Happy couple smiling and holding hands

LUV BUT DEFEND

Safeguard Your Commitment

Ambiguity is a direct vulnerability. When your relationship is locked, waiting for clarity isn't enough. CheckLuv provides an active defense layer, giving you immediate clarity the moment someone verifies your Relationship Lock™ status.

  • Real-Time Alerts: Receive an immediate Relationship Threat Alert when someone verifies your Relationship Lock™ status.

  • Active Defense: Protect your boundary instantly. Any verification check triggers an immediate alert, providing visibility and reinforcing your relationship boundaries.

  • Direct Contact: Initiate contact directly with the person who verified your Relationship Lock™, creating a transparent conversation when needed.

Susan, user testimonial for checkluv

Susan Henderson, CA

"My time is precious, and my family comes first. I can't afford to waste months on someone living a double life."

Testimonials

Kara CEO of CheckLuv, sharing her mission to provide relationship clarity through the Biometric Relationship Lock.

Kara Williams, NY

"After discovering my partner was living a double life, I realized trust needs a foundation. I created CheckLuv to give you the clarity I didn’t have."
Jackie, user testimonial for checkluv

Jackie Shaw, TX

"A smart way to define your boundaries. I love the concept; this is the solution to one of the biggest problems in modern dating."

INVEST IN CERTAINTY

Because The Cost Of Being Blindsided Is Too High

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Professional headshot of Dr. Mandana Toosi, PhD

Welcoming Dr. Toosi to Our Advisory Board

Bringing expert relationship counseling and clinical psychology leadership to the verification era

We are proud to welcome Dr. Mandana Toosi, PhD, to the CheckLuv Advisory Board. As an expert in relationship counseling and a licensed clinical professional, Dr. Toosi brings specialized insights into modern relationship dynamics and trauma-informed care. Her expertise ensures that as CheckLuv builds real-time verification tools, our platform remains deeply rooted in psychological clarity, transparency, and user safety.

ARCHITECTURE OF TRUST

System Governance & Transparency Framework

A dual-sided validation network built on strict cryptographic transparency, industry-standard identity onboarding, and absolute user sovereignty

Shied Icon

IDENTITY SECURITY

  • Zero-Disclosure Data Blindness: CheckLuv operates a blind verification protocol to guarantee total user privacy. The platform never exposes internal user profiles, database records, or basic identifiers during a verification scan. Outside queries merely cross-reference inputted parameters to render a secure, binary status reflection. This acts as a one-way identity shield.

  • High-Barrier Account Onboarding: Access to the network requires an uncompromised identity check standard across all users before any platform action can be taken. Mirroring secure ride-share and financial onboarding protocols, each participant must submit their legal credentials and a real-time face scan to verify true identity alignment. This universal entry requirement establishes strict traceability and a permanent record for liability protection.

Transparency Gear Icon

INTEGRITY & OPENNESS

  • Multi-Factor Knowledge Matching: Processing a validation query requires the searching user to manually input the exact basic identifiers of the target. This complete dataset includes their full legal name, date of birth, and verified contact parameters. The platform requires an absolute match against these data blocks, ensuring that a verification check cannot be performed by anonymous bots or casual browsers.

  • Radical Transparency & Real-Time Access Notifications: The network features an absolute notification protocol that eliminates covert tracking or blind monitoring. Functioning as a standard security access alert, the system ensures that every active event (whether a status verification check is run, a lock is attempted, or an account modification is requested) triggers an immediate system notification to the affected parties. This provides complete visibility and ensures total individual awareness of all platform queries.

Control Center Gear Icon

SOVEREIGN CONTROL

  • Immediate Decentralized Utility: CheckLuv requires zero mass public adoption to deliver total relationship defense. The platform functions as a private, peer-to-peer commitment ledger. The moment two partners complete onboarding and bridge their accounts, the lock achieves immediate, full utility and generates a secure, private dashboard independent of global network scale.

  • Voluntary Account Autonomy: Built to honor real-world relationship dynamics. The platform features an active, single-tap dissolution protocol, allowing users to remove a status lock instantly if their personal boundaries or relationship statuses change. The system serves as a voluntary truth ledger, ensuring complete individual sovereignty over your digital footprint.

Professional headshot of Dr. Mandana Toosi, PhD

Ask Dr. Toosi

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Get real-time updates on CheckLuv, exclusive expert tips on navigating modern dating, and a first look at our features. Follow us for a daily dose of relationship clarity and submit your anonymous questions to Dr. Toosi.

Frequently Asked Questions

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© 2026 CheckLuv. All Rights Reserved. Biometric Relationship Lock™ and associated system mechanics are Patent Pending.

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