Personal loan vs credit card vs overdraft: how they differ
A personal loan gives you a lump sum that you repay in fixed instalments. A credit card and an overdraft are revolving facilities: you borrow up to a limit, as and when you need to, and repay over time. Each carries interest and fees under the National Credit Act, and each suits a different kind of need. Often the cheapest option is not to borrow at all, but if you must, it helps to know which tool fits.
Key takeaways
- A personal loan is a single amount repaid over a set term; a card or overdraft lets you draw on a limit again and again.
- Under the National Credit Act, credit cards and overdrafts are credit facilities, while personal loans fall into the unsecured credit category. Rate caps and fees differ by category.
- Compare the total cost, not just the monthly instalment, and ask for the pre-agreement statement and quotation in writing.
- Paying only the minimum on a card, or staying overdrawn for months, makes the cost climb.
- Do not borrow more than you can repay from your next income, and check that the lender is registered with the NCR.
How do a personal loan, a credit card and an overdraft differ?
The main difference is how the money reaches you and how you pay it back. With a personal loan, the lender pays you a fixed amount once, and you repay it in regular instalments over an agreed number of months. With a credit card, you receive a limit and spend against it, then repay what you owe each month. With an overdraft, your bank lets you spend more than your balance, up to an agreed limit, on your current account.
The National Credit Act (NCA) groups credit into types. A credit facility is an agreement under which the credit provider agrees to supply goods or services, or pay amounts that you determine from time to time, and you either defer payment or are billed periodically, with a charge, fee or interest payable. Credit cards and overdrafts are the everyday examples. A personal loan, by contrast, is an unsecured credit agreement, meaning no asset is pledged as security. The NCR lists credit cards and overdrafts together in one category and personal loans in another when it publishes the maximum rates they may carry.
How do they compare side by side?
The table gives a general picture. Every provider sets its own terms within the limits of the National Credit Act, so use it to know what to ask, not as a description of any one product.
| Feature | Personal loan | Credit card | Overdraft |
|---|---|---|---|
| Type under the NCA | Unsecured credit agreement | Credit facility | Credit facility |
| How you receive money | A lump sum, paid out once | A limit you can spend against, again and again | A limit on your current account that lets the balance go below zero |
| How you repay | Fixed instalments over an agreed term | A monthly statement with a minimum payment; you may pay more | No fixed instalments in most cases; the balance is cleared as money comes in |
| What it costs | Interest plus an initiation fee and monthly service fee | Interest on the balance, plus monthly or annual fees | Interest on the overdrawn amount, plus account and facility fees |
| Suits | A one-off planned expense with a clear end date | Short-term spending that you repay in full when the statement arrives | A brief gap between payday and the bills |
| Main risk | A long term that adds up in interest, or instalments that crowd out essentials | Paying only the minimum so the balance lingers and keeps growing | Staying overdrawn month after month, or hitting the limit when you need it |
What do they cost in principle?
All three cost money through interest and fees. Under the NCA, the maximum interest rate and the main fees that a credit provider may charge depend on the type of credit, and most rate caps are linked to the repo rate, so they change over time. The NCR has said that credit cards, overdrafts and similar facilities fall in one rate category, while unsecured credit, which mainly consists of personal loans, falls in another. Check the NCR's current table of maximum rates before you decide, because a number you saw last year may be out of date.
The NCR also says that the maximum rate is a ceiling, not a price. As a consumer, you can use the pre-agreement statement and quotation to shop around and negotiate. The quotation must set out the cost of credit, interest, service and initiation fees, any credit insurance, the number of instalments and the dates of the first and last instalments.
The cheapest credit is the one you repay quickly. For a loan, this means a shorter term, if you can afford the higher instalment. For a card or overdraft, it means clearing the balance as fast as you can.
When does a personal loan fit?
A personal loan fits a planned, one-off cost that you can cover with a fixed monthly amount, such as a necessary repair, a household appliance or a medical expense that your medical aid will not cover. The fixed instalment and fixed end date make it easier to budget, and you cannot drift deeper into debt by accident.
The risk is length. The NCR advises people to avoid paying over too many months because it costs more in the end. Before you apply, work out the total you will repay and check that the instalment fits your budget with room to spare. Our guide on how much you can afford to borrow explains the steps.
When does a credit card fit?
A credit card fits purchases that you will repay in full when the statement arrives, such as a booking made online or a purchase where you want the protection of paying by card. Many cards offer a period before interest begins when you pay the full balance, but the length and the conditions vary, so read the terms of your card.
The risk is the minimum payment. Paying only the minimum keeps the account in good standing, but most of that payment can go to interest and fees, and the balance can take a long time to fall. If you find yourself carrying a balance month after month, treat it as a sign to make a repayment plan and avoid new spending on the card until the balance is cleared.
When does an overdraft fit?
An overdraft fits a short timing gap, for example when a debit order falls a few days before your salary arrives. It is convenient because it is already attached to your account, but that convenience is also the risk. Because there is no fixed instalment, it is easy to stay in overdraft for months without noticing how much the interest and fees add up to.
A good test is whether you can clear the overdraft with your next pay. If you can, it is a bridge. If you cannot, it has become a loan with no end date, and a clear repayment plan or a conversation with your bank is a better step. Many people find that an emergency fund removes the need for an overdraft altogether.
What are the common pitfalls to avoid?
Most problems come from the same few habits. Looking only at the monthly instalment hides the true cost. Treating a limit as extra income turns short-term spending into long-term debt. And using one credit product to pay another can leave you with more debt than you started with. The NCR has cautioned that borrowing for consumables such as groceries, or to pay off other debt, can leave people in debt for a long time.
- Ignoring fees: ask about initiation, monthly service, annual and penalty fees as well as interest.
- Paying only the minimum on a card month after month.
- Staying in overdraft for long stretches because there is no fixed end date.
- Taking the longest term on a loan to get the lowest instalment without checking the total cost.
- Signing a blank or unclear agreement. The NCR says never to sign a blank credit agreement.
- Handing over your ID, bank card, SASSA card or PIN to a lender. The NCR says that credit providers must not keep these.
What should you ask before you sign?
Ask for the pre-agreement statement and quotation in writing and read it at home. The NCA also requires lenders to carry out an affordability assessment, and the NCR advises you to be truthful when you answer, because giving false information can cost you the Act's protection. Finally, check that the provider is registered with the NCR; our guide on checking a lender shows how.
- What is the interest rate, and is it fixed or variable?
- What are the initiation fee, the monthly service fee and any other fees?
- What is the total I will have repaid by the end of the agreement?
- What happens if I pay late, or want to repay early?
- Is there credit insurance, and is it optional?
- Is the provider registered with the National Credit Regulator?
- Could I manage this without borrowing, or with a smaller amount?
Frequently asked questions
Which is cheaper: a personal loan, a credit card or an overdraft?
It depends on the rate you are offered, the fees and how long you take to repay. Each is capped by type under the National Credit Act, but within the cap lenders set their own rates. Compare the total cost in the pre-agreement statement and quotation, not the monthly figure alone.
Are credit cards and overdrafts regulated by the National Credit Act?
Yes. They are credit facilities under the Act, and personal loans are unsecured credit agreements. The Act and the NCR set maximum interest rates and fee categories, and these change over time, so check the NCR for the current figures.
Can I negotiate the interest rate?
The NCR says you can. The maximum rate is a ceiling, not a price, and you can use the quotations from several registered lenders to compare and ask for a better rate. Always get the offer in writing.
What happens if I only pay the minimum on my credit card?
Your account stays up to date, but much of the payment may go to interest and fees, and the balance can last a long time. Paying more than the minimum, when you can, reduces the total cost.
Is an overdraft a good way to cover a few days before payday?
It can be, as long as you clear it with your next pay. If you are overdrawn every month, the interest and fees add up and it has become a loan with no end date. A small emergency fund is a cheaper bridge.
Do I get a cooling-off period after signing a loan agreement?
The NCR says that under the NCA the cooling-off period applies only to credit agreements signed away from the credit provider's premises, and lasts five business days. Many agreements are signed at the provider's premises, so do not sign until you are sure.
How do I know a lender is allowed to lend to me?
Credit providers must be registered with the National Credit Regulator. Ask for the registration number and check it with the NCR before you share documents or pay anything. Never pay a fee before a loan is granted.