Postpay alternatives
12 payments tools compared on data from stores OngoingAI observes — including 2 running Postpay. Adoption, platform split and growth, not vendor claims.
Every Postpay alternative, side by side
Ordered by relevance to Postpay · 30d net counts confirmed adds/removals only · overlap = share of Postpay stores also running it
| Alternative | Stores observed | 30d net | Primary platform | Overlap | Rating | Pricing |
|---|---|---|---|---|---|---|
 Klarna | 3,315 | +1 | Shopify | — | 1.2 | Free to install |
 Afterpay | 1,487 | +4 | Shopify | — | — | — |
 Affirm pay‑over‑time messaging | 1,247 | — | Shopify | — | 1.7 | Free |
 Sezzle | 116 | -1 | Shopify | — | — | — |
| WooPayments | 11,087 | +18 | WooCommerce | — | — | — |
| WooCommerce Stripe Gateway | 5,636 | -1 | WooCommerce | — | — | — |
 PayPal | 2,995 | — | WooCommerce | — | — | — |
 Releasit COD Form & Upsells | 1,820 | +5 | Shopify | — | — | — |
 GoKwik | 1,065 | +2 | Shopify | — | — | — |
 Stripe | 983 | +13 | WooCommerce | — | — | — |
 EasySell COD Form | 967 | +2 | Shopify | — | — | — |
| Authorize.Net (WooCommerce CIM) | 614 | — | WooCommerce | — | — | — |
Fastest-growing Postpay alternatives
Confirmed net stores added over the last 30 days — observed changes, not new coverage
Alternatives by ecommerce platform
Where each alternative's stores mostly run
More comparisons
Klarna alternativesAfterpay alternativesAffirm pay‑over‑time messaging alternativesSezzle alternativesWooPayments alternativesWooCommerce Stripe Gateway alternativesPayPal alternativesReleasit COD Form & Upsells alternativesGoKwik alternativesStripe alternativesEasySell COD Form alternativesAuthorize.Net (WooCommerce CIM) alternatives
Frequently asked questions
Ranked by observed store adoption, the most widely used Postpay alternatives are WooPayments, WooCommerce Stripe Gateway, Klarna, PayPal.