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Investigation & Evidence Report

Generated on Jan 10, 2026

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cardiogram.com

http://cardiogram.com
Geo: unknown
Website: Site icon
Category: Domain
Recommendation
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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 Our overall confidence rating for this entity based on public signals, activity, and risk checks.
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

Category Scores

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 & Insights

0-100 Scale

Domain age and ownership

Score: 90
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
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
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
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
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
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
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.

Key Evidence & Citations

📌 More checks:

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Community feedback

1 / 5

1 review published

5 stars 0%
4 stars 0%
3 stars 0%
2 stars 0%
1 star 100%

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Reviews

  • App gone no longer exists

    Kandy

    1 / 5

    A few days ago “Cardiogram” no longer exists. The app opens to a website builder stating “there’s nothing here, yet” & “build something amazing”. Links on here to the website take you to the same page. The app is gone from the App Store.

    Reviewed Jan 10, 2026