Klarna vs Afterpay vs Affirm — Fees Compared
All three providers offer a Pay-in-4 plan with 0% interest. When all payments are made on time, the total cost equals the purchase price — no fees, no interest. The differences emerge in late fee structures, longer-term plan options, credit reporting, and what happens when a payment is missed.
Side-by-side comparison
| Feature | Affirm | Klarna | Afterpay |
|---|---|---|---|
| Pay-in-4 available | Yes | Yes | Yes |
| Monthly plans | Yes (6–60 months) | Yes (6–36 months) | No |
| Interest on Pay-in-4 | 0% | 0% | 0% |
| Interest on monthly plans | 0–36% APR | 0–33.99% APR | N/A |
| Late fee (Pay-in-4) | $0 — no late fees | Up to $7 per missed | Up to $8 per missed |
| Late fee cap | N/A | 25% of order | 25% of order |
| Credit check | Soft pull | Soft pull | No credit check |
| Reports to credit bureaus | Yes (Experian, TransUnion) | Yes (since 2022) | Yes (since 2023) |
| Minimum purchase | Varies by merchant | No minimum | $1 |
When each provider is the lower-cost option
Affirm is the only provider with no late fees on any plan. For borrowers who occasionally miss payments, Affirm's Pay-in-4 is the only option that guarantees no monetary penalty beyond the purchase price. For larger purchases requiring longer financing terms (6–60 months), Affirm also offers the widest plan range.
Klarna offers the most flexible Pay-in-4 structure — the first payment is due at checkout, spreading the remaining balance over the following six weeks. One free payment extension per order is available. The $7 late fee is the lowest among fee-charging providers. Klarna's ghost card feature allows use at merchants that don't directly integrate with BNPL.
Afterpay is the simplest option and requires no credit check. For borrowers with limited credit history, that distinction matters. The $8 late fee is the highest of the three, and on small purchases (under $32) a single late fee can exceed the 25% cap — meaning the cap kicks in quickly. Afterpay does not offer monthly financing plans.
The bottom line
If all payments are made on time, all three providers cost the same: zero above the purchase price. The moment a payment is missed, the costs diverge. Affirm costs nothing extra. Klarna costs up to $7. Afterpay costs up to $8 per missed installment.
The True Cost of BNPL calculator computes the effective APR for any provider, purchase amount, and number of missed payments — including a side-by-side credit card comparison.
Related: Afterpay Late Fees Explained · Does BNPL Affect Your Credit Score?