Credit Karma pulls your credit data from two of the three major credit bureaus: TransUnion and Equifax. It does not provide any data from Experian, the third major bureau. The scores you see on Credit Karma are calculated using the VantageScore 3.0 model, not a FICO score.
TransUnion and Equifax, but Not Experian
When you open Credit Karma, you’ll see two separate credit scores and two separate credit reports, one from TransUnion and one from Equifax. These two scores can differ from each other because not every creditor reports to every bureau on the same schedule, and some creditors may only report to one or two bureaus. A credit card issuer might send your updated balance to TransUnion a few days before it reports to Equifax, which can cause temporary differences between the two.
Credit Karma does not include Experian data at all. If you want to see your Experian credit report, you can get a free copy through AnnualCreditReport.com or directly through Experian’s website, which also offers a free credit score.
Why VantageScore 3.0 Matters
The scoring model matters as much as the bureau. Credit Karma uses VantageScore 3.0, which is a model jointly developed by all three credit bureaus. Most lenders, however, use some version of the FICO score when making lending decisions. That means the number you see on Credit Karma may not match the score a lender pulls when you apply for a mortgage, auto loan, or credit card.
The two models weigh your credit history differently in a few key ways. FICO creates separate scoring models for each bureau and even builds industry-specific versions for auto lenders and credit card issuers. VantageScore uses a single model designed to work with data from any of the three bureaus. The models also handle rate shopping differently: if you apply for several auto loans in a short window, recent FICO models group those inquiries together within a 45-day window so they count as one, while VantageScore deduplicates inquiries within a 14-day window. FICO also includes a 30-day buffer that ignores very recent mortgage, auto, or student loan inquiries entirely.
In practice, your VantageScore and FICO score are often in the same general range, but differences of 20 to 40 points are common. A Credit Karma score of 720 doesn’t guarantee that a lender will see 720 on their end.
How Often Credit Karma Updates
Credit Karma checks your TransUnion and Equifax reports daily and updates your scores accordingly. You can log in once a day and see refreshed data. That said, the underlying information only changes when your creditors report new data to the bureaus, which most do on a monthly cycle. So even though Credit Karma checks daily, your score might stay the same for days or weeks if nothing new has been reported.
Checking Won’t Hurt Your Score
Every time you view your scores on Credit Karma, it counts as a soft inquiry. Soft inquiries have no effect on your credit scores and don’t show up to lenders. You can check as often as you like without any penalty. This is different from a hard inquiry, which happens when a lender pulls your credit as part of a loan or credit card application and can temporarily lower your score by a few points.
Getting the Full Picture
Since Credit Karma only covers two of the three bureaus and uses VantageScore rather than FICO, it gives you a useful but incomplete view of your credit. Think of it as a reliable monitoring tool rather than an exact preview of what a lender will see. To fill in the gaps, you can get your Experian report for free and check your FICO scores through your bank or credit card issuer, many of which provide them at no cost on monthly statements or through online banking portals.
Comparing all three bureau reports side by side is also the fastest way to spot errors. An incorrect account or wrong balance might appear on one bureau’s report but not the others, and you’d only catch it by reviewing all three.