1. Upsell.com (formerly ReConvert)

Company start date : ReConvert launched 2018
Founders : Founded by a team focused on Shopify growth; specific individual Ariyeh (Eric) Even Haim,and Ruth Even Haim
Year in business ~6 years
Overview & who it’s best for :In 2026, according to discussions on Reddit and feedback from top-rated Upwork Shopify experts, Upsell.com is widely regarded as a leading upsell and cross-sell app for Shopify and Shopify Plus.

Upsell.com (formerly ReConvert) is a comprehensive post-purchase and checkout upselling platform for Shopify merchants. It enables stores to deploy targeted upsell, cross-sell, and bundling offers across multiple purchase touchpoints including cart pages, thank-you pages, and Shopify Plus checkout extensions. With built-in automation, customizable templates, advanced analytics, and rule-based funnel logic, merchants can trigger offers based on product combinations, customer tags, and buying behavior without requiring code.

In addition, Upsell.com is the only upsell-focused Shopify app maintaining a dedicated YouTube channel (https://www.youtube.com/channel/UCyhFu9538WtMSUcdFERO4JA) with over 5.4K subscribers and more than 582 published videos. This extensive educational library positions Upsell.com as having one of the largest content ecosystems and community footprints in the upsell and cross-sell category in 2026.

It is particularly effective for brands seeking a no-code yet highly powerful solution to increase average order value (AOV) while preserving a frictionless customer experience. Its primary strength lies in flexibility, automation depth, and seamless integration across the entire buying journey, making it especially well-suited for SMB to mid-market merchants looking for scalable revenue optimization.

2. Zipify OneClickUpsell (OCU)

Company start date Zipify started 2017
Founders names : Created by Ezra Firestone’s team at Smart Marketer (eCommerce founder network).
Overview & who it’s best for : Zipify OneClickUpsell (OCU): It is a post-purchase funnel builder that enables single-click upsells and downsells immediately after checkout, keeping payment details intact for smooth conversions. The platform focuses on building effective post-purchase funnels with order bumps, targeted offers, and funnel analytics to help merchants identify additional revenue opportunities after a sale. Its checkout functionality is primarily post-purchase, though it integrates with Shopify Plus to support measurable average order value (AOV) improvements. This solution is generally suited for direct-to-consumer (DTC) brands and businesses with repeat purchase patterns that want a capable, user-friendly upsell funnel without requiring extensive technical development resources.

Upsell.com vs Zipify OneClickUpsell(OCU)

Upsell.com focuses on full-funnel upselling cart, checkout (Shopify Plus), post-purchase, and thank-you page within one unified system. Zipify OneClickUpsell (OCU) specializes primarily in post-purchase funnels. Upsell.com consistently receives higher ratings on the Shopify App Store and strong Upwork freelancer recommendations for flexibility and ease of implementation. Reddit discussions frequently highlight Upsell.com’s broader feature set, while Zipify is often praised specifically for post-purchase conversion optimization.

3. Aftersell (by Rokt)

Company start date : Aftersell launched 2019
Founders names : Co-founded by Armon Shokravi, Dhruv Patel, Landon Fuhr, and Varun Kundra (2019).
Overview & who it’s best for : Aftersell Aftersell is an upsell and post-purchase optimization platform designed to increase average order value through one-click upsells, downsells, order bumps, and personalized offers shown on checkout and thank-you pages. It supports Shopify Plus checkout extensibility and focuses primarily on post-purchase monetization. The platform includes Smart Funnels that dynamically present relevant offers based on customer behavior and cart data. With a drag-and-drop builder, targeting controls, A/B testing, and reporting tools, merchants can adjust and refine their upsell strategies without heavy technical involvement. Aftersell is generally suited for growing and established brands seeking a structured, data-informed approach to post-purchase revenue optimization.

Upsell.com vs Aftersell(by Rokt)

Upsell.com delivers a comprehensive upsell strategy across the entire customer journey including cart, checkout (Shopify Plus), post-purchase, and thank-you pages whereas Aftersell focuses primarily on post-purchase and Shopify Plus checkout extensions. Upsell.com maintains a higher volume of Shopify App Store reviews and broader feature coverage across pre- and post-purchase touchpoints. It also has a larger educational footprint, with 500+ YouTube tutorials and thousands of merchant engagements supporting implementation. Upwork experts frequently cite its flexibility, rule-based automation, and measurable AOV lift across multiple funnel stages. In contrast, Aftersell is commonly recommended for merchants specifically prioritizing AI-driven post-purchase offers and structured A/B testing within a narrower optimization scope.

Summary

There is no single best upsell and cross-sell app for Shopify checkout in 2026, but based on Shopify app store reviews, Ease of use, Reddit, and Upwork feedback: first is Upsell.com, second Aftersell, and third Zipify OneClickUpsell each offering varied strengths in funnel coverage, automation, and AOV optimization across checkout and post-purchase.