Learn · Building credit history
Secured Cards vs. Credit-Builder Loans vs. Experian Boost vs. Authorized User
There's no single best way to build credit history — there's the way that fits your situation. This is an honest, side-by-side look at the four most common tools. We sell one of them (authorized user tradelines), and we'll tell you plainly when one of the other three is the better choice. Often it is.
A note up front: none of these "raises your score by X points." Anyone promising a specific number in a specific timeframe is, under federal law, not allowed to. What each of these methods actually does is add or surface positive payment history, and let it age. Your individual outcome depends on the rest of your file.
This is part of our broader guide, How to build credit history from a thin or zero file — start there if you want the full picture.
The four tools at a glance
| Method | What it is | What you pay | What it builds | Best for |
|---|---|---|---|---|
| Secured card | A real credit card backed by a refundable deposit you put down | Refundable deposit (often $200+), sometimes an annual fee | Your own revolving account, reported month by month | Almost everyone starting out; the default first step |
| Credit-builder loan | A small loan held in a locked account; you pay it off, then get the money | Interest/fees on a small loan you can't spend yet | Your own installment account + forced savings | Building installment history and savings at once |
| Experian Boost | A free tool that adds eligible bills (utilities, phone, streaming) to your Experian file | Free | Extra positive data on your Experian file only | A quick, free add-on — not a standalone plan |
| Authorized user tradeline | Being added to someone else's seasoned card | One-time cost per slot, priced by the card's age and credit limit | Someone else's account age and history reporting to your file | Thin/young/newcomer files needing age fast |
Secured cards
A secured card is a real credit card. You put down a refundable deposit (which usually becomes your credit limit), use the card lightly, and pay it off on time. The issuer reports your payment history like any other card. Many secured cards graduate to unsecured over time and return your deposit.
Pros: It's your account, so every scoring model and underwriter counts it fully. It builds payment history and utilization habits. Widely available, including to people with no history.
Cons: Requires cash up front for the deposit. Builds history slowly — it starts at zero age and accumulates month by month. Some cards carry fees.
Who it fits: Nearly everyone starting from scratch. For most people, a secured card is the foundation, not an alternative to skip.
Credit-builder loans
A credit-builder loan is a clever inversion of a normal loan: the lender "lends" you a small amount but holds it in a locked savings account. You make fixed monthly payments, those payments get reported, and when you finish, the money (sometimes minus interest/fees) is released to you. You build installment history and a small savings cushion at the same time.
Pros: Builds installment history, which complements the revolving history a card builds (credit mix is a minor but real factor). Forced savings. It's your own account, fully counted.
Cons: You pay interest/fees for money you can't touch until the end. Slow by design — the point is steady monthly history over months.
Who it fits: Someone who wants installment history and a little disciplined savings, and isn't in a hurry.
Experian Boost
Experian Boost is a free tool that lets you add eligible recurring bills, some utilities, phone, even certain streaming subscriptions, to your Experian credit file, where they can count toward your payment history.
Pros: Free. Fast to set up. Can help thin files by surfacing payments you're already making.
Cons: It only affects your Experian file — not Equifax or TransUnion, and not every scoring model uses the Boost data. It's an add-on, not a foundation. If a lender pulls a bureau other than Experian, Boost does nothing for that pull.
Who it fits: Anyone — it's free, so there's little reason not to try it. Just don't treat it as your whole plan.
Authorized user tradelines (what we do)
Being added as an authorized user means an existing cardholder with a seasoned account adds you to it. That account's age and payment history may report to your file, without you borrowing the card, being liable for the debt, or even using it. It's the only one of these four that can put established age on your file quickly, rather than starting from zero and waiting.
Pros: Can add years of existing positive history and age, not just new history. Posts relatively fast — typically 7–10 days after the cardholder's statement date. You're not liable for the debt.
Cons: It's not your account, and that's the honest catch. Newer scoring models and many manual underwriters weigh authorized-user accounts less than accounts in your own name — sometimes much less. It's the wrong move right before a mortgage, where underwriters scrutinize AU accounts. It costs more than the free/low-cost options. And it builds nothing in your own name long-term unless you pair it with accounts you actually own.
Who it fits: A genuinely thin, young, or newcomer file that needs age and history it doesn't have yet — used alongside a secured card or credit-builder loan, not instead of one. (The full honest version: Do authorized user tradelines still work? and who they help and who they don't.)
So which should you choose?
For most people building credit from scratch, the honest answer is start with a secured card (it's your own account and counts everywhere), add Experian Boost because it's free, and consider a credit-builder loan if you want installment history and savings discipline.
An authorized user tradeline is worth considering when your file is genuinely thin or young and you want to add established age faster than a brand-new account can — and even then, as a complement to accounts in your own name, not a substitute. It is not a shortcut around the basics, and it's the wrong tool if you're weeks from a mortgage.
The best plan is usually a combination, sequenced to your situation. If you want to understand the authorized-user option in depth before deciding, that's what Pillar B explains, honestly.
Operated by Learning Machines LLC. We do not promise score increases; any company that does is breaking the law. Your individual outcome depends on what else is on your credit file.
Related reading: How to build credit history · Authorized User Tradelines, Explained · Do authorized user tradelines still work? · Who tradelines help — and who they don't
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