Let's be straightforward: there's no such thing as free money over the long term. Credit organizations are commercial entities, not charities, and they make money on interest. That said, borrowing a sum and returning exactly the same amount is entirely achievable if you understand how these offers work.

This topic is especially hot right now. In the first six months of 2025, the microloan market volume in the country nearly doubled and exceeded 66.9 trillion sums. Over 2.3 million people use these services, and signs reading "0% interest" appear on virtually every corner.

To prevent such offers from becoming a debt trap, let's break down how they actually work.

What qualifies as a truly interest-free loan

The honest version looks like this: you receive 5 million sums and return exactly 5 million. No forced insurance, no transfer fees, no paid SMS notifications. These conditions do exist, but they're available only within a very narrow time window and require strict discipline from the borrower.

0% rate and grace period are not the same thing

This is where the main confusion lies:

  • 0% rate for the entire term — extremely rare, usually a promotional offer for a small amount or installment from a partner store, where interest is already built into the product price.
  • Grace period — a time window during which no interest accrues. Meet the deadline—pay nothing. Miss it by even one day—the rate kicks in, sometimes retroactively on the entire amount.

For example, microloans often offer a 30-day grace period at 0%, and credit cards offer up to 45 days interest-free with limits up to 100 million sums. These are legitimate and effective tools, but they're designed for disciplined users.

Where the real overpayment hides
  1. Insurance. Often bundled "as a package" and adds a noticeable percentage to the sum.
  2. Issuance or transfer fee. Technically not interest, but money from your pocket.
  3. Paid services. Notifications, deadline extension, payment date change.
  4. Late payment penalties. These form the backbone of the economics behind many "zero" offers.

So study the contract, not the banner—specifically the line showing the full cost of the loan. Different banks disclose this figure differently, and you should compare based on this number, not the advertised percentage.

How to borrow money without overpaying: working alternatives
  • Credit card with grace period — ideal if you're certain you'll close the debt within a month or two.
  • Installment from a seller — works when the installment price equals the cash price.
  • Microloan with interest-free start — suits short-term cash gaps until payday.
  • Loan from close ones — straightforward, but still the cheapest option.

The conclusion is simple: "0%" is not a gift but a condition you must fulfill. Before signing, calculate whether your income will cover the debt within the grace period, and compare offers from several lenders: one bank may offer a 30-day grace period, another 45 days, and the difference in final overpayment can be substantial.