SiPhox Health vs Rythm Health
Comparison
Rythm Health focuses on monthly at-home testing with a smaller fixed panel. SiPhox Health offers at-home blood testing too, but gives members broader panel choice, flexible cadence, and deeper programs for metabolic, cardiovascular, hormone, thyroid, and longevity goals.
CollectionBoth use at-home upper-arm collection
Rythm price$79 per month plus shipping, handling, and lab fees
CadenceMonthly Rythm subscription vs flexible SiPhox Health cycles
How SiPhox Health compares to Rythm Health
| SiPhox Health | Rythm Health | |
|---|---|---|
| Testing experience | ||
| How collection works | Fast and painless at-home blood sample collected with our kit and mailed back to the lab. | Same. |
| Travel required | No appointment or lab visit required for standard at-home collection. | Same. |
| Pricing and cadence | ||
| Price | Starts at $99 for the first testing cycle, then renews at $124. Shipping is $25. | $79 per month plus shipping, handling, and lab fees (no other testing frequency options). |
| Testing frequency | Monthly, quarterly, or every-6-month testing. Members can pause, cancel, or change cadence anytime. | Ships every 30 days, with skip and cancellation options. |
| Coverage | ||
| Biomarker breadth | Multiple panels across longevity, cardiovascular, metabolic, hormone, and thyroid goals, with Ultimate 360 as the broadest panel. | A smaller recurring panel focused on heart health, metabolic fitness, thyroid function, liver/kidney markers, and hormone balance. |
| Example markers | Panel-dependent markers such as ApoB, hs-CRP, thyroid markers, sex hormones, metabolic markers, liver/kidney markers, and nutrients. | ApoB, LDL-C, HDL-C, hs-CRP, ferritin, albumin, vitamin D, TSH, Free T3, creatinine, SHBG, and hormone markers. |
| Results | ||
| Guidance after results | Personalized insights, an action plan, 24/7 AI health coach, exercise, diet, and supplement recommendations, wearable integrations, past lab uploads, and an all-in-one dashboard. | Dashboard and AI health coach experience focused on monthly trends. |
| Membership features | ||
| Panel flexibility | Select from 4 base panels. Panel upgrades available, up to 60 biomarkers. Test once a month, quarterly, or every 6 months. | One recurring panel rather than multiple goal-specific panel choices. |
SiPhox Health is the stronger fit if you want
- A choice of panels instead of one fixed monthly panel
- Quarterly or every-6-month testing without manually skipping months
- A broader program for thyroid, hormone, heart, metabolic, and longevity goals
Rythm may fit better if you want
- A small panel every month
- A subscription designed around monthly trend lines
Start with the panel that fits your goals.
Membership includes your choice of a base panel, clear insights, and flexible testing cadence.