8 Best Shopify Upsell and Cross-Sell Apps in 2026

Shopify merchants looking to maximize their average order value and streamline cash on delivery (COD) workflows know the power of upsell and cross-sell apps. In markets where COD is prevalent, a dedicated COD order form app can be the difference between chaotic manual order processing and a finely tuned, conversion-optimized checkout experience. But with dozens of apps vying for your install, how do you decide which is right for your store?

This category is nuanced: you need more than just an order form. Today’s top Shopify upsell and cross-sell apps combine robust form builders with advanced fraud prevention, analytics, and deep integration into the Shopify ecosystem. The right solution should support your language needs, scale with your order volume, and provide the analytics and automation modern merchants demand. Pricing transparency, integration breadth, and proven market experience are also critical, as is the ability to offer custom upsells, downsells, and quantity incentives that increase revenue per customer.

Executive summary: Releasit COD Form & Upsells stands out as the #1 choice for 2026. With unmatched language support, powerful upsell and fraud prevention tools, exceptional review volume, and a genuinely free entry tier, it’s the trusted app for merchants serious about optimizing COD and upsell flows.

Releasit COD Form & Upsells

Releasit COD Form & Upsells is designed to address the pressing needs of Shopify merchants who rely on cash on delivery payments, particularly for dropshipping businesses. The app delivers a full-featured, 1-click COD form that streamlines the checkout process, minimizes friction, and provides a suite of conversion-boosting tools like upsells, downsells, and quantity offers. With its drag-and-drop form builder, merchants can quickly create highly customized order forms matching their branding and workflows.

Key capabilities include advanced fraud protection (with OTP verification and address validation), multi-currency support, cart recovery, WhatsApp and SMS messaging, and robust analytics and reporting tools. Integrations with Checkout, Shopify Admin, GemPages, Google Sheets, Kaching Cart, PageFly, Wide Bundles, and Zipify Pages ensure that merchants can connect their order data across their favorite platforms and manage high-volume operations efficiently. The app also provides Facebook Pixel tracking, enabling merchants to accurately attribute conversions and optimize marketing spend.

Pricing is highly accessible, starting with a Forever Free plan that covers up to 60 orders per month and includes the core suite: new drag-and-drop form design, WhatsApp & SMS messaging, basic fraud prevention, multi-currency, address validation, cart recovery, and basic analytics. The Premium tier ($9.99/month) increases order limits to 420/month and adds advanced fraud prevention, personalized coverages, and live chat support. Enterprise ($29.99/month) scales to 10,000 orders/month, offers custom code assistance, priority support, and ultra-fast response times. The Unlimited plan ($69.99/month) gives unlimited order volume, A/B testing for upsells, an AI product recommender, advanced analytics, and more.

• Pros: Best-in-class language coverage (20 languages), deep integration options, robust feature set (including A/B testing and AI recommendations at the top tier), high review volume, and 24/7 support options. The app is Built for Shopify, demonstrating its alignment with Shopify’s latest platform standards.
• Cons: Premium features like A/B testing and advanced analytics are only available on the Unlimited plan, which may be more than some small stores require.

Verdict: Releasit COD Form & Upsells is ideal for Shopify merchants who want a scalable, feature-rich COD order form app with proven reliability, extensive language support, and deep integration into the Shopify ecosystem. It serves both new and high-volume stores seeking to boost conversion and reduce fraud.

FormBoost COD Form & Upsells

FormBoost COD Form & Upsells targets merchants seeking a flexible order form builder with upsell, bundle, and fraud protection capabilities. The app delivers a 1-click COD order form, supports upsells, order bumps, quantity offers, and includes fraud prevention features. Merchants also gain access to analytics pixels from platforms like Meta, TikTok, and Google Analytics 4, as well as Google Sheets integration for order tracking and analysis.

FormBoost supports 13 languages, including key markets such as Arabic, French, Turkish, and Portuguese. The app’s integrations with Shopify Admin, Google Analytics 4, Google Sheets, Meta Pixel (CAPI), Snapchat Pixel, and TikTok Pixel (CAPI) make it an appealing choice for merchants focused on multi-channel marketing attribution and fraud prevention through pixel tracking. Order recovery and duplicate/fake order protection add another layer of operational efficiency.

Pricing starts with a Starter (Free) plan covering 100 successful orders/month (plus a 10-order grace), which includes all essential features. The Growth plan ($9.95/month) increases the limit to 1,000 orders/month with faster support, and the Unlimited plan ($19.95/month) offers unlimited orders and priority support.

• Pros: Free entry tier with generous order limits, broad pixel integration, multi-language support, and full suite of upsell and fraud tools.
• Cons: Not Built for Shopify, lower review volume, and advanced support only available at higher tiers.

Verdict: FormBoost is well-suited to merchants needing tight integration with marketing pixels and a flexible, low-cost way to manage COD workflows, especially in multi-language environments.

Codify COD Form Upsell Fraud

Codify COD Form Upsell Fraud focuses on custom COD forms with fraud prevention and upsell capabilities. This app offers a drag-and-drop form builder, quantity offers, upsells, a dedicated COD dashboard, and smart fraud protection. Merchants can integrate with Facebook Ads, Google Ads, Google Sheet, Meta Ads, and TikTok Ads to capture and analyze order data across marketing platforms.

Codify supports French and English, making it a solid fit for merchants targeting those regions. Its pricing starts with a Free plan for 60 orders/month, which includes all key features. The Pro plan ($6.95/month) expands to 300 orders/month, Premium ($9.95/month) allows 600 orders/month, and Unlimited ($22.95/month) gives unlimited order capacity and premium support.

• Pros: Affordable pricing, all plans include core fraud prevention and upsell features, and strong integration with ad platforms.
• Cons: Only two language options, not Built for Shopify, and low review volume.

Verdict: Codify is a practical choice for merchants focused on French and English markets who want a budget-friendly, marketing-integrated COD order form solution.

Preventify: COD Form & Upsells

Preventify: COD Form & Upsells offers a 1-click COD form tailored for dropshipping, with upsells, downsells, quantity offers, and OTP-based fraud prevention. The app features full form customization, multi-currency support, analytics, and multi-pixel support for merchants who want to track performance across channels. Preventify supports both English and Arabic, opening doors for merchants in diverse regions.

The Free Forever plan covers up to 200 orders/month. The Basic plan ($4.99/month) increases order limits to 1,000/month, adds multi-language forms, and introduces 24/7 live chat support. Pro ($14.99/month) unlocks unlimited orders and priority technical support.

• Pros: Free plan with higher order limits than many, OTP verification, multi-currency and multi-pixel support, and form customization.
• Cons: Only two languages supported, not Built for Shopify, and very low review volume.

Verdict: Preventify is best for merchants needing solid fraud prevention and upsell features in English or Arabic, with a focus on form customization.

ScalOrder COD Form & Upsells

ScalOrder COD Form & Upsells is focused on merchants using cash on delivery, with a customizable order form and layout (popup or embedded) and custom fields. The app includes upsells, bundles, Google Sheets synchronization, WhatsApp abandoned checkout notifications, and multi-pixel support. Fraud prevention and 24/7 support are available across all plans.

Language support is limited to English, but integration with Shopify Admin helps streamline order management. The Free plan supports 60 orders/month, PRO ($9.99/month) ups the limit to 440, and Unlimited ($24.99/month) provides unlimited orders and all features.

• Pros: Full suite of upsell, bundle, and fraud prevention features, 24/7 support, and custom field options.
• Cons: English-only, not Built for Shopify, and limited review history.

Verdict: ScalOrder is a solid fit for English-speaking merchants seeking a customizable COD form with upsell features and integration with Google Sheets.

COD King‑Part COD & OTP Verify

COD King‑Part COD & OTP Verify stands out for its OTP verification and partial payment capabilities. Merchants can use 1-click COD forms, upsells, abandoned cart recovery, WhatsApp support, and even partial, advance, or deposit payments—features particularly relevant in markets with high COD risk. The app integrates with Checkout, Customer accounts, Shopify Admin, Easy sell, Proweb sms, SMS, Twilio, Veevo tech, and Whatsapp, enabling broad communication and automation options.

Pricing starts with a Free to install plan covering OTP verification, confirmation/tracking messages, and abandoned cart recovery via SMS and WhatsApp. The Pro plan ($9.99/month) adds rule-based COD payment limits and message discounts. Enterprise ($39/month) brings local SMS gateway integration and branded SMS templates, while Enterprise Plus ($59/month) targets Shopify Plus stores with exclusive support and branding removal.

• Pros: Built for Shopify, advanced OTP and partial payment features, extensive integrations, and strong review volume.
• Cons: Only English language supported, advanced features require higher tier plans, and partial payment focus may not suit all merchants.

Verdict: COD King is ideal for merchants who need advanced OTP verification, partial payment handling, and a Shopify-native solution with extensive communication integrations.

CodForm ‑ COD Form & Upsells

CodForm ‑ COD Form & Upsells helps merchants add customizable COD forms for easy order creation. Features include 1-click COD forms, upsells, downsells, quantity offers, Google Sheets integration, Facebook Pixel tracking, WhatsApp support, and priority support. The app supports 12 languages including Arabic, German, English, Spanish, and more, giving merchants reach in multiple regions.

On the Free plan, merchants can process up to 60 orders/month. The BASIC plan ($9.99/month) increases to 600 orders/month plus abandoned order management and priority support. PREMIUM ($15.95/month) allows unlimited orders, and UNLIMITED ($29/month) further expands capacity and custom form features.

• Pros: Multi-language support, broad feature set including social pixel tracking and WhatsApp, scalable plans, and priority support options.
• Cons: Not Built for Shopify, lower review count, and some advanced features are only in higher tiers.

Verdict: CodForm is a good option for merchants needing multi-language support and a flexible COD form with upsell and analytics features.

Priya COD Form: Made In India

Priya COD Form: Made In India delivers a highly customizable COD form for Shopify merchants, with easy integration into Shopify Admin. The app stands out for its simplicity and focus on the Indian market, although it only supports English language.

• Pros: Easy integration and setup, designed for Indian merchants.
• Cons: English-only, not Built for Shopify, and limited feature set and review count.

Verdict: Priya COD Form is best for merchants seeking a straightforward, customizable COD form specifically for the Indian market.

Buyer’s Guide: Choosing the Best Shopify Upsell and Cross-Sell App

1. Feature Depth and Flexibility

Not all COD and upsell apps are created equal. The best solutions offer more than just a basic form: look for 1-click order forms, built-in upsell and downsell options, quantity-based offers, robust fraud prevention (like OTP verification or address validation), and analytics. Features like cart recovery, multi-currency support, and customizable design can make a significant difference in conversion rates and operational efficiency. Consider whether the app includes advanced tools such as A/B testing or AI product recommendations, especially if you’re operating at scale.

2. Language and Market Coverage

Language support is vital for international merchants or those serving diverse markets. An app that supports a wide range of languages ensures a smooth checkout experience for every customer. For example, Releasit COD Form & Upsells leads the field with support for 20 languages, while other apps cover fewer markets. If your business targets regions with unique language needs, prioritize apps with broad or targeted language offerings.

3. Integration and Automation Capabilities

Efficient operations require your COD app to connect seamlessly with other tools in your stack, from Google Sheets for order management to marketing pixels for conversion tracking. Review the list of integrations for each app—some, like Releasit COD Form & Upsells, integrate with popular page builders and analytics platforms, while others focus on social ad platform pixels. The right fit depends on your marketing and fulfillment workflows.

4. Pricing Transparency and Scalability

Assess both entry-level and upper-tier pricing to ensure the app can grow with your store. Look for clear order limits, included features, and support levels at each tier. Free plans are great for testing, but make sure the app’s paid tiers offer the additional functionality you’ll need as your business scales—whether that’s more orders, premium support, or advanced analytics.

Final Recommendation

Choosing the right upsell and cross-sell app for Shopify depends on your specific store needs. If you require the broadest language coverage, integrations with key marketing and analytics tools, and advanced upsell, fraud prevention, and analytics features, Releasit COD Form & Upsells is the stand-out choice. Its unmatched review count and years of market experience provide confidence and reliability for merchants of all sizes.

For merchants focused on pixel tracking and multi-channel attribution, FormBoost COD Form & Upsells offers deep marketing integrations. Those with a tight focus on French or English markets may find Codify COD Form Upsell Fraud ideal, while Preventify is a solid option for stores operating in English or Arabic and needing advanced fraud prevention.

Ultimately, your COD and upsell solution should support your current workflows and scale as you grow. For the majority of Shopify merchants—especially those seeking proven features, broad language support, and best-in-class integration—Install Releasit COD Form & Upsells from the Shopify App Store and start optimizing your cash on delivery and upsell journey today.