Halloween is more than just costumes and candy. For Shopify merchants, it presents a unique opportunity to drive seasonal revenue, increase average order value (AOV), and re-engage existing customers with timely and relevant offers. But in a competitive market, generic discount banners and product tags are no longer enough. To stand out, you need intelligent upsell tools that deliver the right offers to the right customers - at precisely the right moment.
In this article, we’ve curated seven of the most effective upsell apps available on Shopify today. These tools are built to help you launch high-performing Halloween campaigns with minimal effort. Whether you’re just starting out or scaling fast, you’ll find a solution that fits your needs, improves your bottom line, and keeps your store running smoothly through the spooky season.
Best Shopify Upsell Apps in 2025 to Drive More Revenue During Halloween
ReConvert Post Purchase Upsell is a powerful app designed to enhance revenue generation by enabling one-click upsells, post-purchase upsells, and discounted upsells on checkout and thank you pages. It features a conversion-focused post-purchase upsell funnel to boost conversion rates and offers capabilities for order tracking, birthday collection, cross-sell, and more, all aimed at increasing margins and hitting new sales records.
- One-click upsells: Instantly boost revenue by offering upsells that customers can add to their order with just a single click, enhancing the post-purchase experience.
- Customizable thank you page: Recharge your thank you page by collecting birthdays, running surveys, and adding upsell offers to engage and retain customers effectively.
- Drag & drop editor: Easily build and manage your upsell strategies with an intuitive drag-and-drop editor for seamless integration and operation.
- Bundle & cross-sell capabilities: Deploy sophisticated segmentation and upsell strategies, including bundle upsells and cross-sell, to enhance customer value and satisfaction.
- Comprehensive support: Enjoy 24/7 customer support with rapid and reliable assistance to address and resolve any queries or challenges.
The outstanding advantages of the ReConvert Post Purchase Upsell app, according to user reviews, include seamless setup and management, exceptional customer service, and significant impact on revenue as highlighted by users. The app's support team is praised for being highly responsive, knowledgeable, and supportive, helping users to optimize their setups efficiently. Its intuitive design and feature-rich setup make it highly recommended by users looking to increase their average order value with ease.
Selleasy provides high conversion upsell and cross-sell solutions for Shopify stores, enhancing customer engagement with pre-purchase and post-purchase offers. The app helps bundle related products to increase average order value (AOV). It offers multi-language and multi-currency support, allowing manual or automated product recommendations. The widgets are unobtrusive and customizable, with free setup assistance available.
- High Conversion Upsell Offers: Displays effective upsell opportunities pre and post-purchase to boost customer bundling and increase AOV.
- Customization and Integration: Supports different styles of widgets that seamlessly integrate into your store's design, ensuring a smooth user experience.
- Multi-language and Multi-currency Support: Enhances global customer experience by adapting to different languages and currencies for wider reach.
- Embedded and Unobtrusive Design: Offers aesthetically pleasing and non-disruptive widget integration to maintain a tidy storefront.
- Comprehensive Support: Available setup assistance via Zoom, chat, and email to help store owners optimize app usage efficiently.
The app's outstanding advantages are reflected in the positive reviews highlighting its ability to significantly increase sales, bolster average order values, and offer remarkable customer support. Users commend the app's easy customization, seamless integration, and efficient problem-solving facilitated by the responsive support team. The user-friendly interface and affordable pricing position Selleasy as an accessible and effective tool for businesses looking to enhance their Shopify storefront with upsell and cross-sell options.
Frequently Bought Together is a Shopify app that allows customers to purchase related products with a single click, thus boosting order value and revenue. Launched in 2017, it incorporates an advanced AI algorithm for product upsell and recommendation, continuously refined for higher conversion rates.
- AI-driven recommendations: Utilize advanced AI technology to provide smart product suggestions for optimal sales results.
- Customizable bundles: Fine-tune recommendations and create customized product bundles tailored to specific products.
- Bundle discounts: Offer four different types of discounts on bundles to enhance conversion rates.
- Thematic styles: Access out-of-the-box styles that can be easily customized to fit any theme.
- Scalability: Efficiently handle any number of products, orders, or levels of traffic without performance issues.
The app is praised for its ease of use and seamless integration with Shopify, resulting in enhanced user experience. Customers specifically commend its excellent real-time customer support, highlighting responsive and helpful team members like Invinzor S. and Carlos for their swift and effective assistance. The app is highly recommended by users for improving their online store's functionality.
Boost your average order value in minutes with AfterSell Post Purchase Upsell. Show irresistible post-purchase offers that shoppers can accept in one click, streamline checkout experiences, and enhance customer satisfaction by customizing thank you pages. Ideal for Shopify Plus users to upgrade their checkout with upsells and social proof.
- One-Click Upsells: Offer seamless post-purchase upsells that customers can accept without re-entering payment details.
- Customizable Thank You Pages: Enhance customer satisfaction by adding reviews, FAQs, and cross-sells to thank you pages.
- Shopify Plus Checkout Upgrades: Enhance checkout pages with order bump upsells and social proof exclusively for Shopify Plus users.
- Flexible Triggers: Activate upsells based on various conditions like products, cart value, customer tags, and more.
- A/B Testing: Split test offers to determine the most effective conversion strategies.
AfterSell Post Purchase Upsell receives outstanding reviews for its effectiveness, ease of use, and excellent customer support. Users appreciate the app's ability to significantly increase average order value while being user-friendly. The support team consistently provides quick, knowledgeable, and friendly assistance, enhancing the overall user experience and satisfaction.
BOLD Upsell: Upsell Everywhere is an all-in-one app designed to boost Average Order Value (AOV) and increase revenue by implementing upsell and cross-sell strategies throughout the customer journey. It provides real-time analytics and transparent pricing, ensuring a seamless experience for both businesses and consumers.
- Comprehensive Integration: Supports upselling and cross-selling on product pages, in-cart, cart drawer, checkout, and thank you pages.
- High-Converting Funnels: Enables the creation of effective upsell and downsell funnels that drive consumer engagement and increase sales.
- One-Click Upsells: Allows customers to add upsells after checkout without needing to re-enter payment details, enhancing convenience.
- Real-Time Analytics: Provides live dashboards to track incremental revenue growth and analyze sales performance.
- Customizable Offers: Offers customization options based on product, inventory, date range, and cart value.
Based on user reviews, BOLD Upsell: Upsell Everywhere stands out for its ease of use and effectiveness in increasing store revenue. Users appreciate the app's ability to seamlessly integrate into various stages of the buying process and its potential to significantly boost AOV without complex setup or additional costs.
One Click Upsell ‑ Zipify OCU is a powerful app designed to help businesses increase their average order value (AOV) with AI-driven upsells and cross-sells. The app allows users to effortlessly create upsell funnels at various stages of the customer journey, from the Product Page to the Thank You Page, ensuring maximum revenue from each sale. Pre-purchase upsells such as pop-ups, widgets, and cart upgrades help boost AOV without needing discounts.
- Shop App Integration: OCU users can offer multiple upsells for free on Shop, enhancing flexibility and customer experience.
- Unlimited Upsells: Users are not charged based on the number of people who see their offers, promoting cost-effective growth.
- Unlimited A/B Tests: The app provides an analytics dashboard to easily optimize every upsell with continuous testing.
- True One Click Purchases: Customers can purchase without re-entering their payment information, streamlining the buying process.
- Pre & Post-Purchase Upsells: This feature ensures businesses capture the maximum possible upsell revenue.
Based on the app's reviews, One Click Upsell ‑ Zipify OCU stands out for its user-friendly interface and exceptional customer support, with many users praising team members for their helpfulness and dedication. The app successfully boosts average order values and seamlessly integrates into online stores, making it a highly recommended choice for businesses aiming to increase revenue efficiently.
Candy Rack elevates your store’s sales strategy by seamlessly integrating upselling and cross-selling functionalities. It’s designed to enhance the customer shopping experience, offering intuitive pre-purchase and post-purchase upsells and in-cart offers. Unique to Candy Rack is its user-friendly interface and customizable options that adapt to your store’s look and feel. Our commitment is to help you increase average order value efficiently without overwhelming your customers.
- 4 Upsell Placements: Add to cart, checkout, post-purchase, and thank you page.
- Smart Auto-Upsell: One-click AI-powered recommendations for relevant offers.
- Mobile-first Design: Upsells are optimized for a seamless mobile experience.
- Performance: Ensures fast load times and doesn’t slow down your store.
- Customizations: Adjust content and design to match your brand’s style.
Candy Rack is highly praised for its seamless integration and user-friendly interface, making it easy for users to enhance their sales strategies effortlessly. Reviews highlight the exceptional customer support team, proving responsive and helpful in customizing the app to match individual store designs, while also ensuring swift problem resolution. Users commend its effectiveness in increasing average order value, thus establishing it as an invaluable tool for online stores. The combination of robust functionality and outstanding support makes Candy Rack highly recommendable by its users across various themes and platforms.
SellUp ‑ Upsell & Add ons is designed to maximize your store’s revenue by offering precision-based cross-sells, upsells, product accessories, and add-ons throughout the customer journey. It seamlessly integrates with your store's design, enhancing the shopping experience and encouraging customers to increase their order value with enticing call-to-actions.
- Seamless Integration: SellUp matches your store’s design for a cohesive shopping experience.
- Enhanced Customer Journey: Offer upsells from the product page to the thank-you page.
- Quick Setup: Create one-click upsells in just 60 seconds.
- Customizable Add-ons: Tailor product add-ons individually to suit your inventory.
- Performance Analytics: Track the effectiveness of your offers with built-in analytics.
Outstanding advantages of the app include its user-friendliness, robust increase in average order value, and exceptional customer support. Users praise the app's capability to easily integrate with different product offerings and commend the swift and effective support service provided by team members, particularly Dan.
CartHook Upsells is a powerful tool designed to boost average order value (AOV) through a variety of post-purchase strategies. It offers tailored product recommendations, BOGO deals, bundles, and cross-sells, enabling businesses to upsell with ease and efficiency. The app's intuitive drag-and-drop builder, along with A/B testing capabilities, empowers users to create and optimize unique upsell funnels.
- One-Click Upsells: Simplifies the purchase process by allowing customers to accept upsell offers without re-entering payment or shipping details.
- Drag & Drop Builder: Easily create post-purchase offers, including BOGO deals, discounts, and more, using an intuitive and straightforward interface.
- A/B Testing: Experiment and optimize upsell strategies by testing different offers to find the ones that perform best.
- Advanced Customization: Tailor offers based on customer data, such as location and tags, for more personalized upsell funnels.
- Analytics Dashboard: Gain insights into AOV and conversion rates, enabling data-driven optimizations and performance tracking.
Based on user reviews, CartHook Upsells stands out for its excellent customer service and effective problem resolution, making it a highly satisfying tool for users. One user particularly praised the responsiveness and support received, noting the app’s reliability and ability to quickly resolve setup issues.
The Zotabox Pop Up & Coupon app is designed to boost your store sales with customizable, high-quality popups. It offers a variety of features including customizable popups with email capture, countdown timers, and more, along with integrations with major email service providers.
- Customizable Popups: Create engaging popups with exit intent display, email capture fields, countdown timers, and custom images.
- Email Service Integration: Easily integrate with Mailchimp and 20+ other email service providers for seamless email marketing campaigns.
- Advanced Display Rules: Use flexible display rules to target specific pages and set conditions like minimum screen size and tab-only options.
- Enhanced Customization: Utilize custom HTML and video upload features for richer and personalized popup experiences.
- Cart Abandonment Reduction: Reduce cart abandonment with effective exit-intent popups and incentives such as coupons.
Users appreciate the app's outstanding advantages, often highlighting its ease of use, robust feature set, and significant contribution to increasing engagement and sales conversions. Many reviews mention effective email capture and reduced cart abandonment, often leading to a direct boost in revenue. The integration with multiple email services is also frequently praised for making email marketing more comprehensive and impactful.
Effective upselling during Halloween isn't about pushing more products. It’s about understanding your customers and presenting value in a way that feels helpful, not intrusive. The upsell apps featured in this list are designed to do exactly that—using data, automation, and flexible design to enhance both conversion rates and customer experience.
From AI-powered recommendations and post-purchase offers to bundle builders and cart pop-ups, these tools enable you to transform seasonal traffic into long-term value. Instead of building upsell logic from scratch, you can rely on proven apps that streamline the process while preserving your store’s branding.
Choose the solution that aligns with your store’s strategy and budget, and start early to maximize the impact of your Halloween campaign. With the right upsell app in place, you’re not just chasing seasonal sales, you’re setting up for long-term success.