FamilyTreeDNA Review 2026: The Only Major Y-DNA and mtDNA Option

FamilyTreeDNA is the oldest still-operating consumer DNA testing company in the United States. It is also the only major consumer brand that sells dedicated Y-DNA and mitochondrial DNA tests, which is a meaningful gap in every competitor’s lineup. If you are doing surname research, deep paternal-line genealogy, or trying to confirm a haplogroup beyond the shallow estimate the autosomal tests provide, FamilyTreeDNA is the default option.

This review covers Family Finder (the autosomal test most buyers start with), the Y-DNA and mtDNA upgrades, and where the smaller match pool shows.

At a glance

• Family Finder (autosomal): $79 base, frequently on sale around $59
• Y-DNA tests: sold separately, with Big Y-700 the flagship at around $449 (often discounted)
• mtDNA test: mtFull Sequence sold separately
• Turnaround: 4 to 6 weeks for Family Finder, longer for Big Y
• Database size: approximately 2 to 3 million profiles
• Health reporting: no
• Accepts raw data uploads from other tests: yes, free, for autosomal matching

Who this test is for

Three types of buyer should look at FamilyTreeDNA seriously.

If you are doing surname or paternal-line research, the Y-DNA tests are the only mainstream consumer option. Y-DNA passes essentially unchanged from father to son, so it confirms direct paternal-line relationships across many generations. Big Y-700 is the high-resolution test most genealogists buy if they are serious.

If you are doing deep maternal-line research, mtFull Sequence is the mitochondrial DNA equivalent.

If you have already tested with AncestryDNA, 23andMe, or MyHeritage and want to add another match pool without buying a new kit, FamilyTreeDNA accepts free uploads of raw autosomal data from all three.

Who should look elsewhere

If you are a US buyer testing for the first time and your goal is to find living relatives or unknown family, AncestryDNA’s roughly ten-times-larger database will return far more useful matches. If you want a chromosome browser, AutoClusters, and cheap European-focused matching, MyHeritage is more polished. If you want FDA-authorized health reports, FamilyTreeDNA does not offer them.

What you get for your money

Family Finder ships as a cheek-swab kit with two collection vials. You swab, register the kit, and mail it back. The Family Finder test reads the autosomal genome (the chromosomes inherited from both parents) on a SNP genotyping array, the same general technique AncestryDNA and 23andMe use. You get a matches list, ancestral origins (ethnicity estimate), and the myOrigins and ancientOrigins visualizations.

The Y-DNA and mtDNA tests are separate products, often sold as upgrades once you have a Family Finder account. Y-DNA testing comes in tiers: Y-37, Y-111, and Big Y-700 (the flagship, which sequences the largest portion of the Y chromosome of any consumer test and assigns the most specific haplogroup branch). mtDNA testing comes as mtFull Sequence, which reads the entire mitochondrial genome.

If you upload raw data from another company, you get matches and an ethnicity estimate for free. Some advanced features have historically required a small unlock fee; verify on the site before you commit.

How accurate is it?

The autosomal genotyping is on the same general class of array as competitors, with comparable per-SNP accuracy. Matching math is standard centimorgan-based segment matching.

Big Y-700 is, by design, the most detailed consumer Y-DNA test on the market. It reads roughly 700 known Y-STR markers and millions of base pairs of Y-chromosome sequence, which lets FamilyTreeDNA assign a much more specific haplogroup branch than the autosomal tests can estimate. For deep-lineage research, that resolution matters.

Ethnicity estimates are reasonable but not the brand’s strength. FamilyTreeDNA buyers tend to be there for the matching and the Y-DNA, not the percentages.

Strengths

Only major consumer brand with dedicated Y-DNA and mtDNA testing under one roof. Big Y-700 is unmatched on the consumer market for deep paternal-line research. Accepts free raw data uploads from AncestryDNA, 23andMe, and MyHeritage. Strong community of genealogy project administrators who run surname projects, regional projects, and haplogroup projects.

Limitations

Smaller autosomal database than AncestryDNA, by roughly a factor of ten. The interface looks like a site that was built in the 2000s and updated incrementally, because that is what it is. Y-DNA tests are expensive at full price; wait for sales. No health reporting.

There is also an unresolved trust question for some buyers: in 2019 the company confirmed that the FBI could access its database for forensic investigations. The policy has changed over time and users can opt out of law-enforcement matching in account settings, but it is worth knowing about before testing.

Verdict

For autosomal-only buyers, FamilyTreeDNA is a sensible second or third test (or a free upload destination), not a first one. For Y-DNA or mtDNA research, it is the only mainstream option, and Big Y-700 is the test to get if budget allows. Check opt-out settings on creation and read the genetic data privacy coverage before testing.

Where to buy: FamilyTreeDNA

Related reading: autosomal vs Y-DNA vs mtDNA, best DNA test for finding biological family, best DNA test for Jewish ancestry, guide to DNA testing.