Postpay alternatives
12 payments tools compared on data from stores OngoingAI observes — including 10 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 | 7,043 | +53 | Shopify | — | 1.2 | Free to install |
 Afterpay | 4,615 | +6 | Shopify | — | — | — |
 Affirm pay‑over‑time messaging | 2,474 | +29 | Shopify | — | 1.7 | Free |
 Sezzle | 940 | +14 | Shopify | — | — | — |
| WooPayments | 36,326 | -93 | WooCommerce | — | — | — |
 Releasit COD Form & Upsells | 13,498 | +248 | Shopify | 10% | — | — |
 PayPal | 11,115 | +53 | WooCommerce | — | — | — |
| WooCommerce Stripe Gateway | 9,408 | -2,488 | WooCommerce | — | — | — |
 EasySell COD Form | 8,829 | +260 | Shopify | — | — | — |
 Stripe | 5,142 | +88 | Big Cartel | — | — | — |
 GoKwik | 2,104 | +21 | Shopify | — | — | — |
 Mercado Pago | 1,727 | +28 | Shopify | — | — | — |
Fastest-growing Postpay alternatives
Confirmed net stores added over the last 30 days — observed changes, not new coverage
- EasySell COD Form+260
- Releasit COD Form & Upsells+248
- Stripe+88
- Klarna+53
- PayPal+53
Alternatives by ecommerce platform
Where each alternative's stores mostly run
More comparisons
Klarna alternativesAfterpay alternativesAffirm pay‑over‑time messaging alternativesSezzle alternativesWooPayments alternativesReleasit COD Form & Upsells alternativesPayPal alternativesWooCommerce Stripe Gateway alternativesEasySell COD Form alternativesStripe alternativesGoKwik alternativesMercado Pago alternatives
Frequently asked questions
Ranked by observed store adoption, the most widely used Postpay alternatives are WooPayments, Releasit COD Form & Upsells, PayPal, WooCommerce Stripe Gateway.
WooPayments is the most widely adopted Postpay alternative we track — observed on 36,326 ecommerce stores, versus 10 running Postpay.
EasySell COD Form gained the most confirmed installs over the last 30 days among the alternatives we track (+260 net confirmed stores).