InsideTracker vs SiPhox Health:Which is more popular?
In October 2026, SiPhox Health had more branded searches than InsideTracker among online blood testing services worldwide. SiPhox Health had about 6,600 branded searches, while InsideTracker had 4,400. SiPhox Health made up 1.8% of all online blood testing service searches we track, and InsideTracker accounted for 1.2%. When we asked ChatGPT and Google AI Overviews about online blood testing services, SiPhox Health appeared in one of the five answers and InsideTracker in none.
Who do people search for more?
SiPhox Health, about 50% more searches than InsideTracker
Who does AI mention more?
SiPhox Health, mentioned in 1 of 5 answers, InsideTracker in 0
Follow InsideTracker vs SiPhox Health and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top online blood testing services in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, SiPhox Health was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. InsideTracker did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Labcorp4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Function Health2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Quest Diagnostics2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Everlywell1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
LetsGetChecked1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Ulta Lab Tests1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
SiPhox Health1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Superpower1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Medichecks0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
InsideTracker0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about online blood testing services
5 answers
Asked ChatGPT
“Which online blood test service should I use?”
Asked ChatGPT
“What are the best services for ordering your own blood tests?”
Asked ChatGPT
“What's the best at-home blood test for checking my overall health?”
Searched Google, AI Overview
“at home blood test”
Searched Google, AI Overview
“order blood test online”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 25, 2026.
Is InsideTracker or SiPhox Health more popular in search?
This chart shows how often people search Google for InsideTracker and SiPhox Health by name. Each line represents a brand's share of searches for all 12 online blood testing services we track, month by month, from English-language searches worldwide.
Share of searches by month for SiPhox Health, InsideTracker. The figures are in the table below the chart.
View monthly share of searches table
| Month | Function Health | Everlywell | Medichecks | Labcorp | Marek Health | Quest Diagnostics | LetsGetChecked | Thriva | Ulta Lab Tests | SiPhox Health | InsideTracker | Superpower |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 2025 | 53.1% | 10.7% | 10.7% | 7.2% | 3.9% | 2.1% | 2.6% | 3.9% | 1.4% | 0.5% | 2.6% | 1.2% |
| Dec 2025 | 52.8% | 10.6% | 8.7% | 10.6% | 3.9% | 2.1% | 2.1% | 3.2% | 1.7% | 0.5% | 2.6% | 1.2% |
| Jan 2026 | 46.7% | 9.4% | 11.5% | 14.1% | 3.4% | 2.3% | 2.3% | 4.2% | 2.3% | 0.67% | 1.9% | 1.3% |
| Feb 2026 | 54.2% | 8.9% | 10.9% | 7.3% | 4% | 2.2% | 2.2% | 4% | 2.7% | 0.65% | 1.8% | 1.2% |
| Mar 2026 | 56.2% | 9.2% | 9.2% | 7.6% | 3.4% | 2.3% | 1.8% | 4.1% | 2.3% | 0.82% | 1.8% | 1.2% |
| Apr 2026 | 51.6% | 10.4% | 10.4% | 8.5% | 3.8% | 2.5% | 2.1% | 3.8% | 2.5% | 0.92% | 2.1% | 1.4% |
| May 2026 | 54% | 8.9% | 10.9% | 7.3% | 4% | 2.7% | 2.2% | 4% | 2.2% | 0.78% | 1.8% | 1.5% |
| Jun 2026 | 54.2% | 8.9% | 10.9% | 6% | 4% | 2.7% | 2.2% | 4% | 2.7% | 0.97% | 1.8% | 1.8% |
| Jul 2026 | 54.8% | 9% | 11.1% | 6.1% | 4% | 2.7% | 2.2% | 3.3% | 2.7% | 0.79% | 1.5% | 1.8% |
| Aug 2026 | 52% | 8.6% | 10.5% | 10.5% | 3.8% | 3.1% | 2.1% | 3.1% | 2.1% | 1.1% | 1.4% | 1.7% |
| Sep 2026 | 49.4% | 12.1% | 12.1% | 6.6% | 3.6% | 3% | 3% | 3% | 2.4% | 1.6% | 1.6% | 1.6% |
| Oct 2026 | 55% | 13.6% | 9.1% | 6.1% | 2.7% | 2.7% | 2.2% | 2.2% | 2.2% | 1.8% | 1.2% | 1.2% |
How has branded search for InsideTracker and SiPhox Health changed worldwide over the last 12 months?
3 findings
- The lead changed hands once in the 12 months ending October 2026: SiPhox Health took it in October 2026.
- Across the 12 months ending October 2026, InsideTracker’s share of searches among online blood testing services worldwide moved from 2.6% to 1.2%, and its estimated monthly branded searches moved from 9.9K to 4.4K.
- Across the 12 months ending October 2026, SiPhox Health’s share of searches among online blood testing services worldwide moved from 0.5% to 1.8%, and its estimated monthly branded searches moved from 1.9K to 6.6K.
How did search popularity change for online blood testing services worldwide in October 2026?
2 changes

SiPhox Health’s share of searches among online blood testing services worldwide has gained ground for 3 months in a row, from 0.79% to 1.8% in October 2026.

In October 2026, InsideTracker fell from 10th to 11th among online blood testing services worldwide.
How are InsideTracker’s and SiPhox Health’s branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using InsideTracker’s and SiPhox Health’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
InsideTracker
1 branded search term
- insidetracker
SiPhox Health
1 branded search term
- siphox
Other head-to-heads among online blood testing services

Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.