Credit Score Debit Card Spending Guidelines

A woman takes a card from her wallet at a grocery checkout beside groceries and a payment terminal.

This content applies specifically to South Korea.

Spending 300,000 won a month on a debit card does not guarantee a credit score increase. If you are choosing between debit and credit, focus on affordable spending and paying amounts owed by their due dates. The often-cited 4 to 40 bonus points comes from past Financial Supervisory Service guidance, not a universal rule today.

Choose around the money available for repayment

Debit card use counts in credit assessments, while credit cards can build a record of timely repayment. Regular debit purchases generally draw from a linked account; credit card purchases are paid later. Choose the payment method you can manage within a budget. Using both cards alone does not raise a score, and extra debit spending does not produce a matching increase.

A man puts a credit card into his wallet beside a card statement at a kitchen table.A man puts a credit card into his wallet beside a card statement at a kitchen table.

Find the checks behind the figures

For a practical comparison, the original article on Injoys pairs payment methods with the balances and billing details to check. Its tables separate historical bonus-point guidance from current assessment factors and point to KCB and NICE, South Korean credit bureaus, for current conditions.

Read the full article on Injoys

Check a debit purchase before treating it as paid

If you use a debit card with a small-credit feature, make a short payment check:

  • Read the approval notification to identify whether the purchase used account funds or credit.
  • Check the statement for an amount payable later.
  • Confirm the withdrawal date in the card issuer's payment information.

This check helps avoid overlooking a later bill while budgeting from the account balance. Postpaid transit charges also have a separate withdrawal date to check.

Credit score conditions to confirm first

Historical bonus points could be restricted for people with late payments or a history of late payments, multiple debts, or cash advance use, among others. Check current conditions with the relevant credit bureau before assuming an old spending threshold applies to you.

The reviewed disclosures also do not establish using 30% to 50% of a credit limit as a shared bonus-point rule. Keep spending based on what can be repaid rather than a target percentage.

Other questions about card history

Does closing an old card immediately erase its history?

No. KCB continues using transaction information for a period after closure. Consider the annual fee and whether the card is still needed when deciding whether to keep it.

Does checking a credit score often lower it?

No. KCB and NICE state that inquiry information is excluded from their credit assessments. Checking a score is different from taking out a loan.

Consider checking the next payment amount and the balance in the account used for automatic payments today. For the comparison tables and disclosure references, read the original article on Injoys.

Read the full article on Injoys

This post was written with assistance and published on a channel run by Injoys (injoys.com). The original article and its sources are at the link above.

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