Best Upsell & Cross-Sell Apps for Avalara

Find and compare the best Upsell & Cross-Sell apps for Avalara in 2026

Use the comparison tool below to compare the top Upsell & Cross-Sell apps for Avalara on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    Keros Reviews

    Keros

    Keros Digital

    Keros Digital’s flagship product, K-OMS, is a distributed order management system built to transform retail operations by centralizing and orchestrating orders across all channels. It provides retailers with full visibility into inventory in real time, helping to reduce stockouts and optimize supply chain performance. The platform supports seamless integration with popular marketplaces such as Amazon and eBay, simplifying multi-channel selling. K-OMS automates key workflows like order processing, returns, and fulfillment to reduce costs and improve accuracy. Its omnichannel features allow retailers to offer flexible options like Click & Collect, Ship from Store, and in-store returns, creating a consistent customer experience. Designed as a scalable SaaS solution, it adapts to businesses of all sizes while delivering robust financial management tools, including invoicing and VAT compliance. Keros Digital complements the platform with expert consulting and technical support services. Leading brands like Mandarina Duck and Benetton rely on Keros Digital for streamlined retail operations and growth.
  • 2
    Checkout Champ Reviews

    Checkout Champ

    Checkout Champ

    $300 per month + 1%
    Checkout Champ offers incredible capabilities and features that empower anyone to integrate the functionalities their e-commerce platform lacks. With tools like sales funnels, personalized upsells, four-way split testing, and fulfillment options, it brings back the essential elements that create a truly optimized experience, embodying "Shopify As It Should Be." Incorporating these enhancements can significantly boost your store's Average Cart Value (ACV), Lifetime Value (LTV), and overall profitability. Take action now to elevate your e-commerce business! As online sales continue to grow increasingly competitive, many businesses find it challenging to elevate their performance. One of the most significant factors influencing conversion rates is website loading speed, as 40% of visitors abandon a site if it doesn't load within three seconds, leading to lost opportunities and increased advertising expenses. By addressing these issues, you can transform your online presence and better retain potential customers.
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