Free Credit Score: What It Is and Where It Comes From

What a credit score is, and what free means

A credit score is a number produced by a scoring model that reads the information in a consumer credit file and expresses it as a single value. It is calculated on demand rather than stored permanently, which is why the same person can be associated with different scores on different days. A score is only as current and complete as the file it was drawn from.

The word free in free credit score describes how the consumer pays for it, not how the provider is funded. Some scores are offered by a credit reporting company through its own consumer portal, some by a bank or credit card issuer to its accountholders, and some by third-party services supported by advertising or optional paid products. The calculation behind the number is usually the same; what differs is the arrangement around it.

It helps to separate three related things: the credit report, which is the underlying record of accounts and inquiries; the score, which is a calculation based on that record; and the scoring model, which is the formula doing the calculating. Free score offers typically display the number along with a summary of the categories that fed into it.

• Credit report: the record of accounts, balances, and inquiries
• Credit score: a calculation based on that record
• Scoring model: the proprietary formula that performs the calculation

Where free credit scores come from

Federal law gives consumers a defined path to free credit reports. Under the Fair Credit Reporting Act, the three national credit reporting companies are required to provide a free report at least once every twelve months, and AnnualCreditReport.com is the site those companies established to deliver it. Those reports contain the account and inquiry data that scores are built from, though a report and a score are separate products.

Free scores commonly appear in three places. The first is a consumer portal operated by a credit reporting company, showing a score drawn from that company's own file. The second is a bank or credit card issuer that displays a score to its accountholders, often sourced from one of the scoring model developers. The third is a standalone service that provides a score in exchange for enrollment, advertising exposure, or an optional subscription.

Nonprofit credit counseling agencies sometimes review a score with a client as part of a broader session, and certain employers or landlords may share score-related information during an application process. Whatever the source, the number reflects the data that particular provider held at that moment.

Why the same consumer can see several different scores

Two free scores shown to one person on the same day can differ by a wide margin, and the reason is usually mechanical rather than mysterious. Scoring models vary. FICO and VantageScore are the two model families lenders most often use, and each publishes several versions, including general-purpose versions and others tuned for bankcards, auto loans, or newer data sources. Each version weighs information differently.

The underlying data varies as well. The three national credit reporting companies maintain separate files, and a lender does not necessarily report an account to all three. A score built from a file that includes a recently opened account will differ from one built from a file that does not.

Timing adds another layer. Scores are snapshots. When a balance is updated, an inquiry is recorded, or an account status changes, a score calculated afterward can reflect that change while an earlier score does not. Comparing scores from different providers is therefore not a comparison of like for like.

The information behind a credit score

Scoring model developers describe the categories of information that feed a score. Payment history, meaning whether accounts have been paid as agreed, is typically the largest category in general-purpose models. Amounts owed, often summarized as the balance carried relative to a credit limit, is another major category.

Length of credit history reflects how long accounts have been open and how recently they were used. New credit covers recently opened accounts and the inquiries generated when a lender requests a report. Credit mix describes the presence of different kinds of accounts, such as revolving and installment credit.

Exact weights are proprietary and vary by model version, so these categories are best understood as areas of emphasis rather than a published formula. Not every item in a credit file is used. Income, race, national origin, and several other characteristics are excluded by law from scoring models used in lending decisions.

Reading a score alongside your credit reports

A score answers a narrow question: how does this file look to this model, at this moment. It does not explain why. That is what the credit report is for. Reviewing a score together with the report shows which accounts, balances, and inquiries the model was working from.

Ranges differ by model. Many general-purpose FICO scores run from 300 to 850, and VantageScore uses a similar band, but other model versions use different ranges and different labels for their bands. A number that falls in a strong band on one scale is not automatically strong on another.

Lenders also apply their own standards alongside any score. Two lenders can look at the same number and reach different decisions because they weigh income, debt-to-income ratio, collateral, and their own risk criteria. A score is one input into that process, not the outcome.

When a lender denies an application or offers less favorable terms based on a report, federal law entitles the consumer to a notice explaining that decision. The notice identifies the consumer reporting company that supplied the report, which is also the company where a dispute about the file would be filed.

Evaluating an offer that advertises a free credit score

Offers that advertise a free credit score differ widely in their terms. Some display a score with no enrollment required. Others provide the score as part of a trial that converts to a paid subscription unless it is canceled. The Federal Trade Commission has published guidance on free credit report offers that covers how to read those terms and what to check before providing payment details.

Look-alike sites are a recurring problem. Imitations of AnnualCreditReport.com have appeared over the years, and the FTC has warned about sites that use similar names or web addresses. The authorized source for the free reports required by federal law is AnnualCreditReport.com, and requests can also be made by phone or mail using the contact information published there.

Services also differ in what data they collect and whether they share it. Privacy policies and terms of service describe those practices, and the FTC's consumer guidance covers the marketing patterns that surround free credit offers.

Questions about how scores are calculated, or about how a consumer reporting company handled a file, can be directed to the Consumer Financial Protection Bureau. The agency publishes consumer-facing explanations of credit reporting and accepts complaints about consumer reporting companies.