Best Checkout Apps for Stackreaction

Compare the Top Checkout Apps that integrate with Stackreaction as of December 2025

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Stackreaction Checkout Clear Filters

This a list of Checkout apps that integrate with Stackreaction. Use the filters on the left to add additional filters for products that have integrations with Stackreaction. View the products that work with Stackreaction in the table below.

What are Checkout Apps for Stackreaction?

Checkout apps for ecommerce enhance the shopping experience by streamlining payments while offering valuable features like upselling and loyalty program integration. These apps simplify transactions with tools like one-click checkout, saved payment options, and support for various payment methods, including digital wallets and installment plans. They also enable retailers to increase revenue by showcasing complementary products or services during the checkout process, boosting average order value. Loyalty program integration encourages repeat purchases by allowing customers to earn and redeem rewards seamlessly. Additionally, these apps enhance security with fraud prevention measures and encryption, ensuring safe and reliable transactions for both customers and businesses. Compare and read user reviews of the best Checkout apps for Stackreaction currently available using the table below. This list is updated regularly.

1

Kissmetrics

Kissmetrics

Accelerate growth by seeing what’s happening on your website and apps. Kissmetrics is ideally suited for SaaS product and marketing teams because we give you the information you need to acquire qualified prospects, convert more trials into paying customers, and reduce churn. Kissmetrics is also suited for ecommerce product and marketing teams because we give you the information you need to optimize your checkout funnel, convert more visitors into loyalists, and increase the lifetime value of your customers.

2 Ratings

Starting Price: $500.00/month

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2

Bold Commerce

Bold Commerce

Whether you’re scaling a startup or evolving an established enterprise business, discover ecommerce capabilities that meet your needs. Grow your sales and save time with our suite of industry leading apps. Boost conversion rates and average order value with pricing and promotion apps, make recurring revenue with Bold Subscriptions, create customized products and experiences, and more. Scale faster with platform agnostic, industry leading subscription, checkout, and pricing and promotions solutions. Deliver commerce-enabled experiences to meet shoppers where they are with flexible, robust APIs. Don’t sacrifice speed to market to deliver customer experiences that convert. Plug in one or more of our commerce APIs to any front end touchpoint. Leverage proven subscription, checkout and advanced price rules modules. Pre-built partner integrations to accelerate implementation and core APIs with centralized management for platform and back end integrations.

1 Rating

Starting Price: $29.99/month/user

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3

Mollie

Mollie

Mollie is a money management platform that powers growth for over 250,000 businesses – from startups to enterprises. It's a single platform to get paid and simplify your finances, with online and in-person payments, subscriptions, financing, reconciliation, invoicing, and fraud prevention tools. Get started in minutes with transparent pricing, no hidden fees, and no lock-in contract.

Starting Price: €0.25 per transaction

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4

UltraCart

BPS Info Solutions

We know that you are going to need a full featured cart whether you're selling one product or one million. No matter your level of experience, access to our full feature set means UltraCart will grow with your business. A/B Test StoreFront Content Blocks, Emails, and Upsell Offers. Experiments can manually or automatically declare winning variations based on conversions, revenue or various additional metrics. Maximize transaction value by offering your captured audience promotions and offers during the checkout without compromising the success of the transaction. Orders that have declined payments can automatically route to your Accounts Receivable. UltraCart will automatically email the customer letting them know that there is a problem with their payment and provide a link to self-service update the information. In addition to emailing the customer UltraCart can automatically re-attempt the payment on a schedule that you define.

Starting Price: $49.95 per month

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5

CartHook

CartHook

The best way to increase your AOV and make your customers love your brand. Build an unlimited number of post-purchase funnels triggered by what your customer buys on the Shopify checkout page. Decide when you want to display a funnel based on what was just purchased, cart value, and product count. Specify what you want to offer, and create up to two offers in each funnel. When you have multiple funnels with overlapping priorities, choose which one to display. Modify the layouts and elements of your post-purchase offers. Post-purchase offers automatically inherit your brand theme from the Shopify checkout. Modify templates and choose elements, including timers, CTAs, and product descriptions. Choose products, create discounts, and quantities for customers. Track the results of every post-purchase funnel to understand the impact on your AOV and revenue. Compare revenue from post-purchase funnels to total checkout revenue.

Starting Price: $50 per month

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6

PayKickstart

PayKickstart

PayKickstart is the most complete checkout, recurring billing, affiliate management and retention solution in the market with global capabilities. It's like an extension of your accounting, product/dev, and marketing teams. Track and manage recurring billing throughout the customer lifecycle. Automate everything from simple subscriptions to complex usage and event-based billing models. Plug revenue leaks and minimize churn with a suite of advanced dunning and revenue recovery tools. Protect your customers and their data with enterprise-grade security and compliance standards.

Starting Price: $29 per month

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7

Checkify

Checkify

One-page customizable checkout for online stores to create or remove fields on page, wide choice of customization options, and many more! Full customization of the checkout page (text, font, colors, etc.). Adapted for digital goods, sell properties that do not require shipping. All popular marketing platforms are integrated. Automatic translation option with the ability to customize the text of the checkout and thank you page. Validation of postal codes, including Canadian, US and UK postal codes. Automatic currency conversion function, display estimated order value in your customer's currency. Auto-addition of taxes to orders, including the US sales tax state by state. Automatic discounts function. Ability to hide the shipping method block if you use only one and many, many more to help you increase your sales! Multiple steps during the checkout process, slow loading, and lost input data after minor corrections make customers nervous and cause many abandoned purchases.

Starting Price: €1.49 per week

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