Shopify Checkout apps 2026

DHL Duty and Tax Calculator

$50-$600 / Month

9.1

15 Reviews

Simplify cross-border duties and taxes for your shoppers Show more

The DHL Duty and Tax Calculator is an essential tool for merchants who engage in international shipping. This carrier-agnostic app is designed to simplify the complex process of calculating duties, taxes, and other import fees, allowing businesses to easily integrate these costs into their shipping options. By providing a transparent, all-inclusive shipping cost at checkout, it enhances the customer's purchasing experience, making it more akin to domestic shopping. The app's seamless compatibility with all international carriers and its support for over 200 countries ensure a smooth operation for global businesses. It also empowers merchants to develop optimal pricing strategies by clearly displaying real-time fees. Whether you're a small business or a large enterprise, the DHL Duty and Tax Calculator makes international commerce straightforward and efficient.

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Real-time calculation

All-inclusive cost

Supports 200+ countries

Seamless workflow

International carriers

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Member Discounts by Co‑Curator

$19.99 / Month

8.2

2 Reviews

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Automatic discounts at checkout for museum members.

Automatic discounts

Product exclusions

Tiered memberships

Customizable controls

Stacking rules

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Argo AI Checkout Upsell

(2.4/5)

8 Reviews

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AI powered, multiple products, one click post checkout upsell Show more

Argo AI Checkout Upsell is a powerful Shopify app designed to boost your revenue with a sophisticated post-purchase upsell system. Fully integrated into Shopify's native checkout, the app seamlessly enhances the shopping experience by offering a variety of enticing deals. Customers can enjoy diverse offers such as product discounts, 'shop the look' features, bundle savings, and discount coupons, providing them with compelling reasons to make additional purchases. What sets Argo AI apart is its ability to simultaneously promote multiple products through an AI-powered upsell strategy and a cutting-edge prioritization algorithm. This user-friendly tool ensures a smooth setup, allowing store owners to effortlessly implement these features and start seeing results within minutes. With Argo AI, transforming your checkout experience into a revenue-boosting opportunity has never been easier.

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Shop the look

Post-purchase upsell

Discount coupons

Product discounts

Ai-powered upsells

Multiple products upsell

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Propel Upsell & Cross‑sell

$4.99-$49.99 / Month

7.7

91 Reviews

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Increase Order Values with Upsells, Cross sells & Bundles Show more

Propel Upsell & Cross-sell is a powerful Shopify app designed to boost your store's average order value by strategically displaying targeted upsell offers during the add-to-cart and checkout processes. Trusted by leading brands such as Charmbox Men, InvisAlign, and Norma Kamali, this app has proven effective in enhancing sales through tailored upselling strategies. Developed by experienced Shopify experts, it promises seamless integration with most themes, requiring no additional coding or installation efforts. Propel Upsell & Cross-sell offers versatile upsell options including buy-one-get-one (BOGO) deals and percentage discounts, allowing you to customize offers based on product pages, cart values, and more. The app is highly customizable, ensuring that your upsell offers visually align with your store's branding. Additionally, it automatically removes discounted upsells if the trigger products are deleted from the cart, providing a smooth shopping experience for your customers.

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Bogo offers

Checkout upsells

Customizable designs

Add-to-cart upsells

Targeted offers

Curated upsell offers

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Paazl

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Platform for quality delivery in e-commerce Show more

Paazl is a versatile Shopify app designed to enhance the checkout experience by offering a multi-carrier pickup solution. By integrating with the Paazl platform, the app dynamically retrieves a variety of shipping options in real-time, tailored to the customer’s location and business-specific parameters such as parcel size and order value. It seamlessly organizes these options into tabs categorized for home delivery, pickup lockers, and in-store collection, ensuring a clear and efficient presentation for users. The app empowers businesses to display comprehensive delivery choices, thus optimizing the decision-making process at checkout. Additionally, it supports real-time pickup point verification with carriers, ensuring accurate and updated information. This tool simplifies the logistics of shipping, making it ideal for enhancing customer satisfaction and operational efficiency.

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Show pickup points

Multi-carrier checkout

Real-time shipping options

Sorted delivery tabs

Best suited delivery

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OneClick Checkout Upsell

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Boost sales with upsells at Shopify Plus checkout, customizable layouts included. Show more

OneClick Checkout Upsell is a powerful app designed exclusively for Shopify Plus merchants looking to optimize their checkout process by promoting additional products. This app allows you to seamlessly integrate targeted upsell opportunities within your Shopify Plus checkout page, enhancing the potential for increased sales. With its user-friendly interface, merchants can easily select and manage products directly from the admin dashboard. OneClick Checkout Upsell offers multiple layout options, ensuring the upsell promotions align with your store's existing design aesthetics. The app is compatible with the new checkout extensions, providing a smooth integration process. Ideal for stores aiming to enhance their sales strategy, this tool helps maximize revenue potential directly at the point of purchase.

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Customizable layouts

Checkout page integration

Easy product selection

Targeted upsell opportunities

Works with checkout extensions

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Qe: Product Compare

$4.95-$8.99 / Month

8.2

2 Reviews

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Amazon like Product compare - Choose Wisely, Compare Easily Show more

Qe: Product Comparator is an innovative app designed to enhance the online shopping experience by simplifying product comparisons. Traditionally, shoppers have had to navigate separate product pages and mentally compare features, but with this app, users can easily click 'Add to Compare' on the collection page and view the differences in a convenient slider format. After evaluating the products, customers can effortlessly add their chosen items to the cart or proceed directly to checkout. The app also offers a multi-select feature with smart search functionality, allowing for automatic product comparison. Users can display products in a compare drawer on the left and easily import or export product data using CSV files. Additionally, Qe: Product Comparator supports adding custom fields for tailored comparisons and offers an automatic setup that requires no coding knowledge.

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Custom fields

Smart search

Easy product comparison

Add to compare

Compare slider

Auto compare

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BB Pfand

6.4

4 Reviews

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Easily implement Container-Deposit for various beverages. Show more

BB Pfand is a specialized app designed to ease the implementation of Container-Deposit systems for beverages and similar items, particularly focusing on the German Container-Deposit legislation. Its flexibility allows it to be adapted for use with other deposit systems as well. The app streamlines the deposit process by automatically creating a virtual product for each type of deposit and seamlessly adding them to the shopping cart during checkout. Users can track different deposit types separately, ensuring precise management. One of the standout features of BB Pfand is its ability to make deposit costs fully transparent to the buyer, offering an enhanced purchasing experience. With a user-friendly setup, it is ready to use with just a few clicks, integrating effortlessly into existing systems.

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Quick setup

Automated deposit addition

Separate deposit tracking

Transparency in costs

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Multi Lingo

$7.99 / Month

7.4

24 Reviews

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Offer your shop in many languages with full content control Show more

Multi Lingo is a versatile Shopify app designed to seamlessly integrate multi-language functionality into your online store, allowing you to broaden your brand's reach without the need for coding knowledge. This intuitive tool empowers you to translate various components of your store, including products, pages, menu items, homepage text, email notifications, checkout pages, and blog articles. By integrating effortlessly with Shopify’s localization mechanism, Multi Lingo ensures your shop caters to a global audience with ease. Additionally, the app features an optional auto-translation capability through the MS Bing translation engine, providing swift, per-item translations to expedite your setup. Experience full content control and represent your brand effectively in multiple languages, creating a more inclusive shopping experience for your international customers. With Multi Lingo, adapting your store to various linguistic needs becomes a streamlined process, enhancing your global marketplace presence.

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Multi-language support

Easy integration

Automatic translations

No coding needed

Full content control

Product translations

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Carter - Discount code in cart

$7.99-$16.99 / Month

6.6

22 Reviews

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Apply discount codes or gift cards in cart, before checkout Show more

Carter ‑ Discount Code in Cart is a user-friendly app designed to enhance your e-commerce store by allowing customers to seamlessly apply discount codes directly in their shopping cart. This intuitive feature not only streamlines the checkout process but also encourages customer engagement by easily highlighting available discounts. With Carter, merchants can customize discount displays and offers, creating a personalized shopping experience aimed at boosting conversion rates. The app is designed to be easily integrated with your existing online store framework, ensuring smooth operation without technical hiccups. Additionally, Carter provides insightful analytical tools to track discount usage and their impact on sales performance, enabling data-driven marketing strategies. Ideal for both small and large businesses, Carter effectively meets the growing demand for convenient and flexible shopping solutions.

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Discount code field

Apply gift cards

Show savings

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Ongoing Upsells App

8.2

1 Reviews

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Sticky Add to Cart app designed to convert users & grow sales Show more

Sales Climb Sticky Add To Cart is an innovative app designed to enhance your e-commerce store's sales performance by integrating a sticky bar at the top of your product pages. This sticky bar keeps the add-to-cart button constantly visible, ensuring your customers can make purchases effortlessly without unnecessary scrolling. By keeping vital actions accessible, it boosts customer retention on your site and enhances conversion rates. The app features an automatic sticky bar that not only features an "Add to Cart" option but also includes a "Buy Now" button, streamlining the shopping process and accelerating the journey to checkout. With its non-intrusive design, Sales Climb optimizes your sales funnel and contributes to a smoother, more efficient shopping experience, helping to maximize sales potential and elevate customer satisfaction.

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Boost conversions

Sticky add-to-cart

Quick checkout

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Simple PO Box Blocker

$2.99 / Month

(1/5)

1 Reviews

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"Block PO Box addresses, customize rules, and control product shipping." Show more

Simple PO Box Blocker is a powerful tool designed to enhance the shipping process for merchants by preventing deliveries to PO Box addresses during checkout. This app automatically detects and blocks PO Box entries, significantly reducing the risk of undeliverable orders. Merchants gain the flexibility to set customized blocking rules, allowing them to restrict orders based on specific product titles to ensure compliance with shipping policies or product limitations. With its user-friendly interface, Simple PO Box Blocker provides seamless integration, making it easy for businesses to manage their shipping preferences. The app not only helps in preventing logistical errors but also enhances customer satisfaction by ensuring accurate delivery information. Whether you're dealing with specialized products or adhering to strict shipping constraints, this app offers a comprehensive solution for your shipping needs.

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Block po box

Customize rules

Control shipping

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Truecaller Number Verification

(2/5)

1 Reviews

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Instant OTP-less user mobile number and identity verification Show more

The "Truecaller Number Verification" app by Truecaller is designed to enhance the user experience on your web store by verifying user information during the checkout process. This plugin automatically populates customer details like verified phone number, name, and email, streamlining the purchasing journey and ensuring authenticity. By integrating this app, businesses can significantly reduce verification costs and Return-to-Origin (RTO) rates as it enlists already verified users. The app also helps optimize marketing efforts by minimizing user drop-offs linked to verification failures. Notably, it offers a simple, plug-and-play solution that requires no technical expertise for integration, making it accessible for all types of online stores. Enhance customer satisfaction and operational efficiency with this seamless addition to your e-commerce platform.

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Seamless checkout

Instant verification

Autofill details

Verified user data

No otp required

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Fixed Add To Cart Bar PRO

$4.99 / Month

7.4

6 Reviews

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Sticky add to cart. Boost sales & conversions. Show more

Fixed Add To Cart Bar PRO is a dynamic app designed to streamline the shopping experience on e-commerce platforms by providing a persistent, easy-to-access Add-to-Cart button. This tool ensures that the Add-to-Cart functionality is always visible on product pages, regardless of screen size, enhancing user convenience on both desktop and mobile devices. By reducing the steps needed to add items to the cart, it helps decrease cart abandonment rates and improves customer satisfaction. The app features eye-catching button animations to direct shoppers' attention and encourages swift transitions to checkout. It seamlessly integrates with a store's existing brand colors for a cohesive appearance. Additionally, the app supports multi-currency setups, making it ideal for Shopify stores with international customers. With a simple one-click installation, it requires no coding expertise, making it an accessible solution for merchants looking to optimize their checkout process.

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Fast checkout

Multi-currency support

Sticky add-to-cart

One-click install

Enhanced ux

Reduces abandonment

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Adoric Post Purchase Upsell

8.2

5 Reviews

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Raise AOV with 1-Click upsell on the checkout page Show more

Adoric Post Purchase Upsell is a powerful tool designed to boost your average order value by presenting customers with enticing post-purchase offers immediately after checkout. The app is user-friendly and allows for full customization, enabling you to create upsell offers that align perfectly with your brand's unique identity. Through tailored product recommendations, you can suggest relevant upsells based on specific products, tags, and collections, making every offer highly personalized and effective. The one-click setup process makes it easy to implement these strategic offers, helping you enhance your sales effortlessly. Whether you’re targeting different customer segments or promoting particular inventory, this app provides the flexibility needed to optimize your sales strategy. Elevate your customer engagement and maximize revenue with Adoric's seamless post-purchase upsell features.

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Customizable offers

Tailored recommendations

Checkout integration

Product targeting

Brand personalization

1-click upsell

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Maxwell Upsell & Cross Sell

(2.1/5)

5 Reviews

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Increase AOV with pre-built cart upsell & cross-sell campaigns Show more

In Cart Upsell & Cross Sell is designed to simplify the process of launching effective upsell and cross-sell campaigns for your online store. With its pre-built cart and checkout integration, the app allows you to effortlessly implement native in-cart upsell and cross-sell offers in just minutes. It moves away from intrusive, spammy pop-ups that can negatively impact conversion rates, focusing instead on enhancing customer experience with relevant offers embedded directly in the cart drawer and checkout page. This seamless experience not only improves the visibility of your offers but also increases the likelihood of boosting order values. The app also supports post-purchase upsells, helping you maximize revenue with minimal effort. Whether you’re looking to enhance your average order value or provide your customers with additional value through relevant product suggestions, In Cart Upsell & Cross Sell offers an intuitive solution.

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Cart integration

Checkout integration

In-cart offers

Cross-sell campaigns

Pre-built campaigns

Upsell campaigns

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QuickStick: Cart & Buy Now

$2 / Month

8.2

3 Reviews

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Effortless checkout with customizable sticky cart and buy now buttons. Show more

QuickStick: Cart & Buy Now is a powerful tool designed to streamline the shopping experience on your Shopify store by keeping the buying options always within your customers’ reach. The app ensures a frictionless checkout process with its dynamic Sticky Add to Cart and Buy Now plugin, making it easy for users to complete purchases without unnecessary navigation. As customers explore product details or compare variants, the buy button remains visible, constantly prompting decisive actions that enhance sales. Offering full design customization, QuickStick allows you to tailor the appearance of these floating buttons to seamlessly align with your store’s aesthetic. Its smooth integration capabilities ensure that it works harmoniously with various Shopify themes and checkout solutions. This app is perfect for merchants looking to boost conversion rates by removing barriers in the shopping journey, encouraging more immediate purchasing decisions.

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Shopify integration

Sticky cart button

Design customization

Buy now button

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Checkout Bear

6.6

4 Reviews

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Customize your checkout page with checkout extensibility Show more

Checkout Bear is a powerful checkout editor designed to enhance your checkout page and boost your sales. This app allows you to easily offer upsells, free gifts, and special deals, helping to increase your average order value. By incorporating trust badges and showcasing product reviews, Checkout Bear builds customer confidence and encourages purchase completion. It also includes features like a countdown timer to instill urgency and a line item editor to streamline the checkout process, keeping customers engaged and on the page. With new widgets being added every month, the customization possibilities are continually expanding. Try Checkout Bear today to optimize your checkout interface for higher conversions and a better shopping experience.

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Trust badges

Countdown timer

Checkout customization

Free gifts

Product reviews

Stock countdown

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Upsell Kit

$9.9 / Month

Powerful checkout upsell extensions, enhance sales and AOV Show more

Upsell Kit is a powerful app designed to maximize sales at the checkout page and elevate the average order value (AOV) by providing the most suitable upsells. This app supports two types of Shopify Checkout Extensions to enhance your sales strategy. The Upsell Product extension allows merchants to select specific products from their store as upsells, giving them control over which items are promoted during checkout. Meanwhile, the Upsell Product Recommendations extension uses a targeted strategy to recommend products throughout the customer's journey, encouraging product discovery and enhancing the shopping experience. By integrating these functionalities, Upsell Kit helps merchants increase their revenue and customer satisfaction. With its robust features, Upsell Kit is an indispensable tool for any Shopify store looking to optimize its checkout process and boost sales.

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Product recommendations

Checkout upsell extensions

Product selection upsells

BOXO Return

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Bied herbruikbare verzendverpakkingen aan in je webwinkel. Show more

Boxo Return is an innovative app designed to facilitate the use of reusable shipping packaging across the Netherlands. The app allows businesses to offer a sustainable packaging option during the checkout process, promoting environmentally-friendly practices. Customers who choose this option will have a deposit automatically added to their shopping cart, which is refunded upon returning the packaging at designated drop-off points nationwide. Boxo Return not only encourages sustainability but also helps businesses increase conversion rates by rewarding eco-conscious choices. The app seamlessly integrates a packaging contribution system based on postal codes, making it accessible and straightforward for both merchants and customers. By adopting Boxo Return, businesses can enhance their brand’s sustainability efforts while offering added value to customers who prioritize green packaging solutions.

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Increase conversion rates

Reusable packaging option

Automatic deposit addition

Postcode-based packaging

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Shopify Checkout apps

Related Categories

Price

Based on reviews

Showing 120 to 140 of 155 Apps

DHL Duty and Tax Calculator

Member Discounts by Co‑Curator

Argo AI Checkout Upsell

Propel Upsell & Cross‑sell

Paazl

OneClick Checkout Upsell

Qe: Product Compare

BB Pfand

Multi Lingo

Carter - Discount code in cart

Ongoing Upsells App

Simple PO Box Blocker

Truecaller Number Verification

Fixed Add To Cart Bar PRO

Adoric Post Purchase Upsell

Maxwell Upsell & Cross Sell

QuickStick: Cart & Buy Now

Checkout Bear

Upsell Kit

BOXO Return