Evvy vs Tiny Health: Which Vaginal Microbiome Test Is Right for You?

Vaginal microbiome testing has had a real moment lately, and with more options on the market than ever, choosing the right one isn't always straightforward. Two names that come up most often are Evvy and Tiny Health. Both offer at-home tests that go beyond what a standard OB-GYN visit can tell you; both use advanced sequencing technology, and both come with personalized results and expert support. So, how do you pick one? For most people, the answer comes down to what you want to do with your results. 

Evvy's Vaginal Microbiome Test is a clinical healthcare solution — providing comprehensive results, specific diagnoses, and personalized treatments across life stages, whether you're dealing with recurrent bacterial vaginosis (BV), unexplained symptoms, fertility concerns, or perimenopause. Tiny Health's Vaginal Health Test is a wellness product: it can give you a general picture of your microbiome composition, but it isn't designed to diagnose conditions, guide treatment, or provide clinical care. Both are legitimate, science-backed options, but they serve different priorities. Here's how to figure out which one is right for you.

What is Evvy?

How Evvy's Vaginal Microbiome Test works

Evvy's test starts with a simple at-home swab, collected in minutes with a discreet kit delivered to your door. Activate online, collect your sample, and return the test kit in the prepaid box. From there, Evvy's lab — certified by CLIA, CAP, and New York State's CLEP program — runs full metagenomic next-generation sequencing (mNGS) on your sample, reading the entire DNA of every microbe present rather than checking against a fixed panel.

That matters because the vaginal microbiome contains hundreds of organisms that standard tests simply don't look for, including specific strains of Gardnerella, Ureaplasma, Mycoplasma, E. coli, and dozens of fungi. Evvy's proprietary reference database, built from over 150,000 vaginal microbiome samples, contains twice as many validated genomes as any public database, including genomes discovered exclusively from Evvy's own sample library. That means Evvy can accurately identify and report on over 700 bacteria and fungi (with >98% sensitivity and specificity), including your BV Subtype. Evvy's research has shown that not all BV is the same, and knowing your subtype can meaningfully change your care. The test also includes Fertility Insights, which show how your vaginal microbiome may affect your chances of conception or IVF success.

For those who want even more comprehensive results, Evvy's Expanded PCR Panel screens for four sexually transmitted infections (STIs), 10 antibiotic resistances, and 11 additional microbes from the same swab, with preliminary results in 1 to 2 business days.

What you get with an Evvy report

Evvy's results are built to be both informative and actionable. You get a detailed breakdown of your microbes — including those missed by traditional testing — with the ability to filter by common conditions and correlate your microbiome with symptoms, treatments, and health outcomes. Novel health scores for BV, fertility, and menopause are live now, with PMOS, endometriosis, and preterm birth scores in the pipeline.

Every report is reviewed by a licensed provider who can prescribe a personalized treatment plan that you can access directly through Evvy, no separate doctor's appointment needed. A free one-on-one session with a certified health coach is included, too, so you have human support to help you interpret your results and decide on next steps.

Evvy also recently launched EvvyAI, an AI advisor trained on data from over 100,000 vaginal microbiome tests that you can use to ask questions about your results, understand the research behind your recommendations, and get personalized guidance in real time. It exists because standard AI tools fail on around 60% of women's health questions, having been trained on data that historically underrepresents the female body. EvvyAI was built on female-specific data from the ground up.

This end-to-end pathway from test to treatment is backed by outcomes data. A peer-reviewed study across more than 1,000 real-world patients documented significant improvements in vaginal symptoms, recurrence rates, and microbiome restoration. For anyone who's spent years navigating the healthcare system without answers, that's a meaningful difference.

What is Tiny Health?

What Tiny Health tests and who it's for

Tiny Health is primarily a family microbiome company, best known for infant and pediatric gut health testing. Its Vaginal Health Test is a standalone adult product. The test uses metagenomic sequencing, and results include your vaginal community state type (CST) and general microbiome composition, along with personalized recommendations for lifestyle changes.

Tiny Health is positioned as a wellness and educational product, which means it’s not approved for clinical use and can’t provide insights into how results impact your health conditions or treatment. If your results suggest something is off, you'll need to bring them to a separate provider to figure out what to do next. 

Tiny Health testing methods and results

Tiny Health leverages metagenomic sequencing. 

The report identifies your vaginal community state type and highlights disruptive bacteria, along with dietary, supplement, and lifestyle recommendations based on your results. Tiny Health doesn't currently offer fertility insights, vaginal health diagnoses, or access to treatments. There are also no publications yet validating the vaginal microbiome test methodology or outcomes.

Test focus and target audience

Evvy is a vaginal microbiome company through and through. The test, the results, and the follow-up care are all built around the full spectrum of health concerns impacted by the vaginal microbiome. This spans BV, yeast infections, aerobic vaginitis, recurrent UTIs, fertility, pregnancy, and STI risk — and now includes dedicated Fertility Insights to help you interpret your test results in the context of your reproductive goals. Over 2,000 clinicians use Evvy's test with their patients, and Evvy has academic partnerships with Stanford, UVA, and Washington University, as well as industry partnerships with leaders including Labcorp and US Fertility.

Tiny Health's vaginal test is a wellness product. It can tell you generally what's living in your microbiome, but it cannot diagnose conditions, provide clinician-reviewed insights, or connect you to treatment. For someone who is simply curious about their microbiome and has no active symptoms or health concerns, that may be sufficient. For anyone dealing with a health question (recurrent vaginal infections, unexplained symptoms, fertility concerns, perimenopause), a wellness product isn't designed to answer it.

Accuracy and testing method

Both Evvy and Tiny Health use metagenomic sequencing, which is a meaningful step up from older PCR panels or culture-based testing. The underlying technology is similar, but the differences lie in what's built around it.

Many microbiome tests were originally built for gut health and adapted for vaginal samples. Evvy's technology was designed for the vaginal microbiome from the ground up — the lab protocols, the way data is analyzed, and the reference database it's compared against are all vaginal-specific. That database, built on learnings from over 150,000 vaginal samples, includes microbial genomes not found in any public resource, allowing Evvy to identify twice as many microbes as any other platform. The methodology has been independently validated and published in the peer-reviewed journal Diagnostics, so the accuracy claims aren't just marketing.

Tiny Health hasn't yet published third-party validation of its vaginal testing methodology. That doesn't mean the results are wrong, but without validated accuracy thresholds, there's a higher risk of false positives, such as microbes appearing in your report that aren't actually present. 

Price, turnaround, and accessibility

Evvy's Vaginal Microbiome Test is $159 (or $129 per test on subscription) and includes clinician-reviewed results and a personalized treatment protocol. Tiny Health charges $249 for its vaginal microbiome test. 

Evvy's results arrive in less than 1 week, with the option to add a PCR panel for preliminary results in 1 to 3 business days (which is useful if you're symptomatic and want answers, stat). Tiny Health's turnaround is approximately 3 to 4 weeks. Both tests are HSA/FSA eligible.

Which test should you choose?

Both are legitimate companies, but their tests are optimized for different priorities. If you have an actual health concern (like recurring symptoms, a condition you're managing, fertility questions, or perimenopause), Evvy is the clear choice. It's the only vaginal microbiome test approved for clinical use in all 50 states, the only one with peer-reviewed published methodology, and the only one that takes you from test to diagnosis to treatment without requiring a separate provider visit. It also costs less.

Tiny Health is a wellness product. It may appeal to someone who wants a general sense of their microbiome composition and has no specific health concern to address. But if results without a diagnosis, clinical guidance, or a path to treatment don't serve your needs, Evvy is built for what you're actually looking for.

FAQs about Evvy vs Tiny Health

Is Evvy a reliable health test?

Yes. Evvy holds CLIA and CAP certification as well as NYS CLEP approval, a combination that reflects the rigor of the full testing and reporting process. Its methodology has been published in a peer-reviewed journal, and a licensed clinician reviews every report before it reaches you. With over 150,000 tests completed and more than 2,000 clinicians using Evvy with their patients, it's the most validated at-home vaginal microbiome test available.

What is the most accurate microbiome test, Evvy or Tiny Health?

Both use metagenomic sequencing. The meaningful differences are in the reference databases, bioinformatics pipelines, and published validation. Evvy has demonstrated a sensitivity of 97.97% and specificity of 99.81%, all published in a peer-reviewed journal. Tiny Health hasn’t published comparable validation data, and its protocols appear to be general-purpose rather than vaginal-specific.

How does Evvy compare to other tests like Tiny Health?

The main differences come down to proven results accuracy, price, speed, and what happens after you get your results. Evvy's test is $159, compared to $249 for Tiny Health, and results arrive in <7 days rather than 3 to 4 weeks. But the biggest differentiators are Evvy’s accuracy of results and follow-up care. Evvy has proven the accuracy of the test through multiple publications, and the platform connects you with a licensed provider who gives you a clear diagnosis and can prescribe treatment if you need it — all within the same platform.