They Do the Same Thing to a Lender
Start with what is genuinely the same, because the marketing around locks tends to imply otherwise. A lender deciding whether to open a new account pulls a credit report first. Both a lock and a freeze stop that pull. No report, no approval, no new account. In that narrow sense they are interchangeable.
The lock is usually a little more convenient. It toggles from an app in a second, which suits someone applying for credit regularly. Freezes used to be slower to lift, but online lifting is quick now, so the convenience gap is narrower than it was.
What Actually Differs Is What Stands Behind Them
A security freeze is a right under the Fair Credit Reporting Act. Federal law says the bureau must place it, must do it free, and must do it inside set deadlines, being one business day for a request made by phone or secure electronic means and three business days for one made by mail. When a bureau fails to follow those rules, the failure is a violation of a statute, and statutes come with remedies.
A credit lock is a product. The bureau offers it under its own terms of service, and those terms are a contract between you and the bureau. The bureau drafted them, and it can change them. If a lock fails to do what you expected, the question is what the contract says, not what the law requires.
For most people, on most days, that distinction never surfaces. It surfaces when something goes wrong, and that is exactly when you want to be standing on a statute rather than on someone else's terms of service.
The Free One Is the Stronger One
Freezes have been free at all three nationwide bureaus since federal law made them free in September 2018, to place and to lift, for everyone.
Locks vary. Some bureaus offer a lock free. Others fold it into a paid subscription that also sells credit monitoring, which is a different product again. Monitoring tells you after an account has been opened. A freeze stops it opening. Paying a monthly fee for the weaker protection while the stronger one is free is a common and expensive mistake, and it is worth checking what an older relative is already being charged for.
Only the Freeze Can Be Placed for Someone Else
This is the part that decides it in an elder law context, and most comparisons never mention it.
A lock runs through an account and an app belonging to the consumer, under terms that consumer agreed to. If your father can no longer manage his accounts, he cannot meaningfully manage a lock either, and you cannot agree to those terms for him.
Federal law takes the opposite approach to freezes. It requires all three bureaus to honor a freeze requested by a guardian, a conservator, or an agent under a valid power of attorney, on behalf of someone who cannot place it themselves. It is called a protected consumer freeze, it is free, and the bureaus have to do it.
The catch is that all three handle it by mail only, since the bureau has to see the document giving you authority. The three also want noticeably different things in the envelope, and one of them uses a different post office box depending on whether the person can still manage their own affairs. Those differences are set out on the credit freeze letter page.
Which One to Use
- For yourself, and you rarely apply for credit. Freeze all three. It is free, it does not expire, and it is the stronger protection. Lift it temporarily on the rare occasion you need to.
- For yourself, and you apply often. A lock is a reasonable convenience if your bureau offers it free. Read what it is bundled with before agreeing, and consider freezing the bureaus that do not offer a free lock.
- For a parent who can no longer manage their accounts. The freeze, without hesitation, because it is the only one of the two that federal law lets you place for them.
If you are choosing between paying for a lock bundle and placing a free freeze, place the freeze.
Place the Freeze
Free, no account, and nothing you type leaves your browser. Choose whether the freeze is for you or for someone you care for, and it writes all three letters with the right address and the enclosures that bureau expects.
The longer guide is on the full credit freeze page, and the other comparison people ask about is a fraud alert against a freeze. Running a site that helps older adults? You can embed this tool for free.
Neither one recovers money that is already gone.
Locks and freezes both look forward. If a parent has already sent money, signed something, or changed a beneficiary, that runs on a different track and often a shorter deadline.
Book a free 30-minute consultQuestions Families Ask
Is a Credit Lock the Same as a Credit Freeze?
Functionally they are close. Both stop a lender from pulling the credit report, which is what a new account depends on. Legally they are not the same thing at all. A security freeze is a right under the Fair Credit Reporting Act, it is free at all three nationwide bureaus, and the law sets out how quickly the bureau has to act. A lock is a product offered under the bureau’s own terms of service, which the bureau writes and can change. The difference is invisible until something goes wrong, and then it is the whole question.
Which Is Better, a Lock or a Freeze?
For most people, the freeze, because it costs nothing, it is backed by statute rather than by a contract, and it does not expire. The honest case for a lock is convenience. Locks toggle on and off instantly from an app, which suits someone who applies for credit often. Freezes also lift quickly online now, so that gap is smaller than it used to be. For an older adult who is not borrowing, there is no real argument for the lock.
Does a Credit Lock Cost Money?
It depends on the bureau and on what it is bundled with. Some locks are offered free, and some are packaged inside a paid subscription that also sells credit monitoring. A freeze is free at all three bureaus, always, and has been since federal law made it so in September 2018. If you are being asked to pay to block new accounts, you are being sold something other than a freeze.
Can I Lock My Elderly Parent’s Credit for Them?
Generally no, and this is the practical difference that decides it. A lock runs through an account and an app belonging to the consumer, under terms that consumer agreed to. Federal law takes the opposite approach with freezes: it expressly requires all three bureaus to honor a freeze requested by a guardian, a conservator, or an agent under a valid power of attorney for someone who cannot place it themselves. That is called a protected consumer freeze, it is free, and it is mail only at all three bureaus.
Does Either One Hurt a Credit Score?
Neither. A freeze and a lock both stay off the credit report and neither affects the score. Existing accounts, credit cards, and automatic payments keep working under both, and a lender you already have an account with can still review it. They only block new credit checks.
If I Have a Lock, Do I Still Need a Freeze?
If the lock covers all three bureaus and you are happy with the terms, you are functionally protected while it is on. Two reasons people add the freeze anyway. It does not depend on a subscription staying active or an account staying open, and it carries statutory rights rather than contract rights. For an older adult, a freeze also does not need anyone to keep managing an app.
What Does Neither of Them Do?
Neither one touches an account that is already open, and neither recovers money that has already left. Both are forward looking locks on new credit. If a parent has already sent money, signed a deed, or changed a beneficiary, that is a recovery problem on a different track, often with a much shorter deadline than people expect.
Sources of Law
- Fair Credit Reporting Act, 15 U.S.C. §1681c-1 (security freezes, the requirement that they be free, the protected consumer freeze placed by a guardian, conservator, or agent under a power of attorney, and the placement deadlines). Freezes became free nationwide under the Economic Growth, Regulatory Relief, and Consumer Protection Act, effective September 21, 2018.
- Consumer Financial Protection Bureau guidance on freeze timing, being one business day for a request by phone or secure electronic means and three business days by mail, retrieved August 12, 2026.
- Credit locks are offered under each bureau's own terms of service rather than under the FCRA. Terms, pricing, and bundling vary by bureau and change, so read the current terms before relying on one.
- Equifax, Experian, and TransUnion published freeze procedures, retrieved August 12, 2026.
Updated on August 12, 2026. Reviewed by Kevin D. Klagge, Esq., Fla. Bar No. 99502. Attorney Kevin Klagge represents families, businesses, and international clients in estate and tax planning, business structuring, and international law, with a focus on Florida legal tools. He litigates estate and business issues in court. This page is general information based on federal law and each bureau's published procedures, not legal advice, and reading it does not create an attorney-client relationship. Credit lock terms are set by the bureaus and change, so confirm current terms before relying on them.