# Best Installment Payment and Buy Now Pay Later (BNPL) Software - Page 8

## How Many Installment Payment and Buy Now Pay Later (BNPL) Software Products Does G2 Track?

**Total Products under this Category:** 66

### Category Stats (Aug 2026)

- **Average Rating:** 4.41/5 The average rating of products in this category, based on all submitted ratings
- **Top Trending Product:** Ratio (+3.28%) - Among all products in this category, Ratio recorded the largest rating increase compared to last month

_Last updated: August 05, 2026_

## How Does G2 Rank Installment Payment and Buy Now Pay Later (BNPL) Software Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 3,900+ Authentic Reviews
- 66+ Products
- Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

## G2 Grid® for Installment Payment and Buy Now Pay Later (BNPL) Software
 ![G2 Grid® for Installment Payment and Buy Now Pay Later (BNPL) Software plotting products by satisfaction and market presence](https://www.g2.com/categories/installment-payment-and-buy-now-pay-later-bnpl/grids.png?focus%5B%5D=1222&focus%5B%5D=107452&focus%5B%5D=1680910&focus%5B%5D=75417&focus%5B%5D=122728&focus%5B%5D=87565&focus%5B%5D=87566&focus%5B%5D=10629)

Highlighted products: PayPal Payments, Sunbit, PayPal Buy Now Pay Later, Affirm, Zip for Business, Afterpay, Sezzle, and Klarna.

Underlying data: [Grid® JSON](https://www.g2.com/categories/installment-payment-and-buy-now-pay-later-bnpl/grids.json?focus%5B%5D=paypal&focus%5B%5D=sunbit&focus%5B%5D=paypal-buy-now-pay-later&focus%5B%5D=affirm&focus%5B%5D=zip-for-business&focus%5B%5D=afterpay&focus%5B%5D=sezzle&focus%5B%5D=klarna)

**Sponsored**

### SumUp

SumUp gives you everything you need to simplify your business operations. From tools to take payments, manage your money and run your business SumUp delivers tools for every type of business. SumUp enables all types of businesses to take payments, from contactless tap, chip, and card-not-present payments when merchants just need to key in card details. The SumUp Plus, Solo and Terminal card readers make it easy for you to take payments on the go. POS Lite & SumUp POS give small businesses the tools to run their business from inventory management, customer directories, loyalty, marketing and more. All with clear, transparent all-in-one pricing making it easy for you to know your bottom line. SumUp Connect is the best-in-class marketing and loyalty product. Giving small business owners the ability to drive more repeat business, increase average tickets, and build long-lasting relationships with their customers. Looking to switch to SumUp but not sure where to start? You can move from your current provider to SumUp in just a few easy steps.

[Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list_llm&secure%5Bcategory_id%5D=1578&secure%5Bchosen_at%5D=2026-08-10T22%3A21%3A54Z&secure%5Bdisplayable_resource_id%5D=1975&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=neighbor_category&secure%5Bplacement_resource_ids%5D%5B%5D=1975&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=84993&secure%5Bresource_id%5D=1578&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Finstallment-payment-and-buy-now-pay-later-bnpl%3Fpage%3D8&secure%5Btoken%5D=9b81bb8321aa6cbe2cb32ac2eba864cf71446914eecb3710752502252796c72c&secure%5Burl%5D=https%3A%2F%2Ftry.sumup.com%2Fpos-om%2F%3Futm_source%3DG2%26utm_medium%3Dppc%26utm_campaign%3Dcta%26utm_content%3D&secure%5Burl_type%5D=custom_url)

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Similar Categories

- [Payment Gateways](/categories/payment-gateways)
- [Embedded Payments](/categories/embedded-payments)
- [Failed Payment Recovery](/categories/failed-payment-recovery)

- [Payment Analytics](/categories/payment-analytics)
- [Payment Card Issuance](/categories/payment-card-issuance)
- [Payment Processing](/categories/payment-processing)

- [Payments Orchestration](/categories/payments-orchestration)

[Browse Installment Payment and Buy Now Pay Later (BNPL) Themes](/categories/installment-payment-and-buy-now-pay-later-bnpl/themes)

 ![Nathan Calabrese](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Nathan Calabrese")
NC

Researched and written by [Nathan Calabrese](https://research.g2.com/insights/author/nathan-calabrese)

Updated October 3, 2024

Installment payment and buy now pay later (BNPL) software facilitates a business’ ability to offer customers the option to purchase products and services over time through a set number of regular payments. Businesses embed these solutions into their online store or integrate them with their invoicing software to offer flexible payment options. Because of the flexibility associated with installment payments, these solutions enable a business to potentially attract new customers and sell more high-priced items within their e-commerce store. This type of software can also benefit marketplace providers such as Etsy or eBay, which use BNPL to allow their sellers to receive installment payments.

These tools need to integrate with [e-commerce platforms](https://www.g2.com/categories/e-commerce-platforms) to provide options for installment payment at checkout and with [payment gateways](https://www.g2.com/categories/payment-gateways) to process payments. Furthermore, all payment data needs to be transferred to financial systems, which requires integration with [accounting software](https://www.g2.com/categories/accounting).

To qualify for inclusion in the Installment Payment and Buy Now Pay Later (BNPL) category, a product must:

- Provide the option to pay for purchases by choosing from multiple installment plans
- Manage the amount, timeframe, and number of installments available
- Define multiple installment plans that can be assigned to different products and services
- Apply appropriate interest and fees if the installments are late or unpaid
- Send personalized payment notifications to both customers and businesses
- Integrate with e-commerce platforms, payment gateways, or invoicing software
- Analyze the impact of buy now pay later options on customer satisfaction
- Comply with security and privacy compliance regulations such as PCI DSS

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