Shopify App Comparison 2026

Upsell & Cross Sell — Selleasy

4.92,250 reviews
VS

SwiftBundle — Bundles & Kits

5.09 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Upsell and SwiftBundle to find the best fit for your store.

Built for Shopify

Boost AOV with one-click upsell and cross-sell offers displayed before and after purchase.

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Key Features

  • Pre-purchase cross-sell offers shown on product pages as Amazon-style "frequently bought together" bundles
  • Post-purchase one-click upsell page with dedicated thank-you page funnels
  • Cart upsell funnel with add-ons and product recommendations based on cart contents
  • Multi-language and multi-currency support for international stores
  • Customizable widget styling that auto-matches your store theme with no code changes required

Verdict on Upsell

Selleasy is one of the most well-rounded upsell apps on Shopify, offering pre-purchase, in-cart, and post-purchase funnels in a single install. Its generous free tier makes it ideal for new stores, while the paid plans remain affordable even for high-volume merchants. The app is easy to set up and integrates cleanly with most themes, making it a strong default choice for any store looking to grow AOV.

Built for Shopify

Sell unlimited fixed or mix-and-match bundles with tiered BXGY discounts, custom pricing, live cart previews & customizable theme sections.

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Key Features

  • Unlimited fixed and mix-and-match bundle creation with custom pricing
  • Tiered BXGY discounts and volume discount configurations
  • Real-time inventory synchronization with live cart previews
  • Fully customizable BYOB landing pages with sticky cart summary
  • Compatible with all Online Store 2.0 themes including Motion and Dawn

Verdict on SwiftBundle

SwiftBundle is a compelling free option with a Built for Shopify badge — a rare combination. The unlimited bundle creation with real-time inventory sync and live cart previews puts it on par with paid competitors. It is still very new, but the quality indicators (Built for Shopify badge, OS 2.0 compatibility, checkout extensions) suggest serious development quality. Worth installing to test alongside your current bundle solution.

Upsell vs SwiftBundle — Side-by-Side Feature Comparison

Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Upsell and SwiftBundle differ — so you can make an informed decision for your Shopify store.

FeatureUpsell &SwiftBundle
Slide Cart Drawer
In-Cart Upsells
Cross-Sell Recommendations
Post-Purchase Upsell
Product Page Upsell
Frequently Bought Together
Free Gifts with Purchase
BOGO Offers
Free Shipping Progress Bar
Tiered Rewards
Countdown Timer
Sticky Add to Cart
Announcement Bar
Trust Badges
Discount Code in Cart
Volume Discounts
Shipping Protection
AI Recommendations
A/B Testing
Thank You Page Upsell
Checkout Upsell (Plus)
Cart Analytics
Multi-Language
Multi-Currency
Custom CSS/HTML
Free Plan
Mobile Responsive

Integration & Compatibility Comparison

App integrations matter — especially when you're running multiple tools in your Shopify stack. Here's what each app connects with out of the box.

Upsell & Cross Sell — Selleasy

Built for Shopify
  • Shopify Checkout
  • Customer Accounts
  • Shopify Admin
  • AppHQ Slide Cart
  • Conversion Bear
  • Geolocation
  • LogBase Store Pickup
  • PageFly
  • Online Store 2.0 Themes

Supported Languages

English, German, French, Spanish, Dutch, Portuguese (Brazil), Chinese (Simplified)

SwiftBundle — Bundles & Kits

Built for Shopify

    Supported Languages

    English

    Frequently Asked Questions

    Is Selleasy free to use?

    Yes, Selleasy offers a fully featured free plan for stores processing up to 50 orders per month. All upsell and cross-sell features are included at every tier, with paid plans starting at $8.99/month for higher order volumes.

    Does Selleasy work with my Shopify theme?

    Selleasy is designed to work with all Shopify themes, including Online Store 2.0 themes. The widgets automatically match your store styling, and you can further customize colors, fonts, and layout through the app settings.

    Can I show upsell offers after checkout?

    Yes, Selleasy supports post-purchase one-click upsell pages that appear after payment but before the thank-you page. Customers can accept additional offers without re-entering payment details.

    Is SwiftBundle really free?

    Yes, SwiftBundle is completely free with unlimited bundle creation. There are no paid plans, revenue caps, or hidden fees.

    Does it work with my theme?

    SwiftBundle is compatible with all Online Store 2.0 themes including Motion, Dawn, and legacy themes. It also works with currency converter apps.

    Can I place bundles on any page?

    Yes, bundles can be placed on homepages, product pages, or cart pages. The customizable BYOB landing pages can also serve as standalone bundle pages.