Buy-now-pay-later apps, compared
Pay in four with no interest is common. The terms are where they differ.
- We rank by cost and terms — fees, bureau reporting, and buyer protection.
- Some apps charge a late fee if a payment misses. Some don't.
- Most don't report on-time payments, so they don't build your credit.
- The catch: split payments feel small, but four bills can stack fast.
How we rank these
We rank by cost and terms, not by what an app pays us. Cost is the fee structure: late fees, interest on longer plans, and any account fee. Terms cover whether it reports to the bureaus and what buyer protection you get.
We don't rank by payout. We follow our published rubric. The lowest-cost, clearest-terms app ranks first, even when it pays us nothing. See how the cost breaks down →
Ranked by cost and terms
| # | App | Late fee | Reports to bureaus | Fits | |
|---|---|---|---|---|---|
| 01 | Afterpay | $8 cap | No | No late-fee stack | Cheapest |
| 02 | Sezzle | $10 | Optional | Building history | |
| 03 | Klarna | $7 | Some plans | Store range | |
| 04 | Affirm | $0 | Some plans | Larger buys |
Afterpay tops the list because its late fee is capped and it charges no interest on the standard plan. Terms matter as much as the sticker price. Run your own numbers →
A closer look at two apps
Two apps people reach for most — one for small splits, one for larger buys. Example apps.
Afterpay — Pay in 4
- No interest on Pay in 4
- Late fee capped at $8
- Freezes your account if late
- Doesn't build credit
- Easy to overspend
- Late fee still stings
Affirm — Monthly plans
- No late fees
- Rate shown up front
- Longer plans charge interest
- Can add up on big buys
Split payments feel small on their own. Run three or four at once and the total is a real bill. Most apps don't report on-time payments, so this rarely builds credit.
Add up every open plan before you start a new one. If the sum is more than you'd pay in cash this month, skip the split. Check what you can afford first.