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Circle Medical vs Function Health: Which Is Better?

Head-to-head comparison of Circle Medical and Function Health based on our independent scoring across trust, value, experience, product range, and reputation — plus real pricing for the treatments they both offer.

Our Verdict

Function Health scores higher overall in our independent evaluation (76.3/100 vs 60.2/100), leading on trust & safety, value, experience, reputation. Circle Medical comes out ahead on product range.

Circle Medical logo
60

Circle Medical is a UCSF Health-affiliated video primary care practice with a large ADHD, anxiety, and depression practice, offering same-day visits and medication management including stimulants where permitted.

Visit Circle Medical
Function Health logo
76

Direct-to-consumer lab testing membership offering 160+ biomarkers twice yearly through Quest Diagnostics, with clinician-reviewed results and action plans.

Visit Function Health

Score Breakdown

DimensionCircle MedicalFunction Health
Overall Score60.2/10076.3/100 ✓
Trust & Safety30%62/10078/100 ✓
Value25%55/10080/100 ✓
Experience20%55/10082/100 ✓
Product Range15%72/100 ✓60/100
Reputation10%60/10075/100 ✓

At a Glance

Founded20152021
HeadquartersSan Francisco, CAAustin, TX
Publicly tradedNoNo
Treatment categories21
Treatments listed22
Starting price—$30.42/mo

Pricing Where They Compete

Prices shown are based on our most recent research and may not reflect current pricing. Telehealth providers update their pricing frequently. Always verify pricing directly with the provider before purchasing.

CategoryCircle MedicalFunction Health
Primary CareFree–$120
Primary Care Video Visit
$30.42
Annual Lab Membership

Circle Medical

+UCSF Health affiliation lends institutional credibility to its primary care and mental health practice
+Same-day video visits with flat $120 self-pay pricing when insurance isn't used
+Handles complex ongoing care (ADHD stimulant management, hormone therapy, weight care) that many async competitors avoid
−Prescribes Schedule II-V controlled substances via telehealth, which depends on DEA telemedicine flexibilities currently extended only through 2026-12-31 — a future rule change could disrupt care continuity
−Trustpilot rating (3.6 stars) is weak for the category, with roughly 30% one-star reviews concentrated on billing: incorrect insurance charges, no-show fees, and refund difficulty
−Support access is largely limited to chat/bot channels, which reviewers say makes billing disputes slow to resolve
Read the full Circle Medical review →

Function Health

+Trustpilot rating of 4.5/5 across 2,960 reviews, among the strongest in the diagnostics-membership category
+160+ biomarkers tested twice yearly at 2,000+ Quest locations nationwide, far exceeding a standard annual physical (roughly 20-30 markers)
+Flat, transparent annual pricing ($365/year) visible before any intake or consult
−Reaching live customer support can be slow, per patient reports
−Results depend on Quest blood-draw logistics; a subset of patients report an inconsistent draw experience
−Membership covers testing and clinician-reviewed insights but not ongoing prescribing or treatment for abnormal results
Read the full Function Health review →

Circle Medical vs Function Health — FAQ

Is Circle Medical better than Function Health?

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Function Health scores higher overall in our independent evaluation (76.3/100 vs 60.2/100), leading on trust & safety, value, experience, reputation. Circle Medical comes out ahead on product range.

What do Circle Medical and Function Health both offer?

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Both platforms treat Primary Care. Circle Medical covers 2 treatment categories total and Function Health covers 1.

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