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Domain Due Diligence
Report for Cardiogram.com

Report Date January 10, 2026
Recommendation
Proceed
Overall Summary
Safe
Why we think so

Cardiogram.com operates a health analytics app focused on heart rate and sleep tracking using wearable devices. The domain is registered since 1997 and uses reputable infrastructure like Amazon AWS and Cloudflare. Monthly visits are modest (~6,900), primarily from US users. The site includes valid SSL certificates, public contact emails, and links to active social media profiles. Its USPTO trademark for 'Cardiogram' is live and owned by Cardiogram, Inc. Based on user reviews, the app is generally rated positively for ease of use and heart health tracking, though some report data delays and limited export features. No scam or fraud reports are linked to the domain, and no significant lawsuits target the company. Overall, cardiogram.com shows strong signs of authenticity and no notable scam flags.

Confidence Score
80%

Risk Insights

🕰️

Established Domain Standing

Domain registered since 1997
Reputable registrar used (ENOM, INC.)
Privacy-protected registrant contact
🔒

Secure and Reliable Hosting

Uses Amazon AWS and Cloudflare CDN
Proper SSL certificates active
Supports HTTPS for safe browsing
📈

Genuine User Engagement

~6,900 monthly visits
Majority of visitors from US
Mixed traffic sources including direct and search
📞

Active Contact Channels

Official email hello@cardiogram.com
Multiple official social media links
Facilitates user support and transparency
✅

Strong Brand Ownership

Active USPTO trademark registration
Owned by Cardiogram, Inc.
Supports brand authenticity

Contradictory Signals

While the app is not reported as a scam, some users experience performance issues that may affect trust.

Signal A: No scam or fraud reports found

Signal B: Common user complaints about data lags and feature limitations

Category Scores

Identity 85/100
Reputation 80/100
Technical 85/100
Content 75/100
Legal 80/100
Business Validity 80/100

Red Flags & Warnings

  • No significant scam or fraud reports found, but app is not a substitute for professional medical diagnosis; uses wearable data which can have limitations.

🔎 Detailed Checks & Analysis

Domain age and ownership

Score: 90/100
Passed

"The registrant information is privacy-protected but located in California, USA, which aligns with company location."

Reason: Domain registered since 1997 through a reputable registrar (ENOM, INC.).

Technical security and infrastructure

Score: 85/100
Passed

"Infrastructure employs major cloud providers and standards such as HTTPS."

Reason: Site uses Amazon AWS hosting and Cloudflare CDN; valid SSL certificates ensure connection security.

Web traffic authenticity and reach

Score: 75/100
Passed

"Traffic sources include direct, search, social, and referrals."

Reason: Moderate monthly visits (~6,900) mainly from the US show genuine user engagement.

Contact and social presence

Score: 80/100
Passed

"Presence on Twitter, LinkedIn, Facebook, Instagram, TikTok, GitHub, and YouTube enhances legitimacy."

Reason: Official contact emails and active social media profiles are publicly available.

Trademark registration status

Score: 85/100
Passed

"Trademark supports brand authenticity and legal protection."

Reason: USPTO shows active trademark 'CARDIOGRAM' owned by Cardiogram, Inc. in San Francisco.

Scam and blacklist checks

Score: 90/100
Passed

"Low risk of phishing or malware linked to domain."

Reason: No matches found in crypto scam databases or Google Safe Browsing lists.

User reviews and scam report analysis

Score: 75/100
Passed

"Some users note data delays and limited export features, typical for fitness apps."

Reason: Reviews highlight ease of use and reliable basic heart tracking; no scam reports found.

Your Next Steps

  • 1
    Verify app store ratings and recent user feedback if considering app download.
  • 2
    Review privacy policy on cardiogram.com to understand data use and sharing.
  • 3
    Contact official support at hello@cardiogram.com with any specific concerns.
  • 4
    Ensure you understand the app's intended use as a wellness tool, not a medical diagnostic device.

Evidence & Citations

🕵🏻 Keep investigating

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