Essential Upsell & Cross Sell vs Square: Sticky Add to Cart Barfor Shopify (2026)
Essential Upsell & Cross Sell and Square: Sticky Add to Cart Bar both aim to enhance the Shopify shopping experience but tackle vastly different aspects. Essential Upsell focuses on increasing Average Order Value (AOV) through strategic upsells, cross-sells, product bundles, and discount promotions. It targets merchants looking to implement comprehensive upselling strategies across their product pages, cart, and even post-purchase. In contrast, Square: Sticky Add to Cart Bar concentrates on improving conversion rates by ensuring the 'Add to Cart' button is always visible, particularly on mobile, thereby reducing cart abandonment and streamlining the purchasing process. Square: Sticky Add to Cart Bar is designed for merchants prioritizing immediate conversion rate optimization and a smoother, more accessible checkout experience, especially on mobile devices. It provides a single, focused solution. On the other hand, Essential Upsell & Cross Sell offers a more holistic suite of tools aimed at actively influencing purchasing behavior with a wide array of upsell and cross-sell strategies. While both aim to increase revenue, Essential Upsell adopts a more active and strategic approach while Square: Sticky Add to Cart Bar offers a simple, passive, and conversion-focused solution.
At a Glance
Essential Upsell & Cross Sell
1,004 reviews
Square: Sticky Add to Cart Bar
54 reviews
Detailed Overview
Essential Upsell & Cross Sell
One click upsell and cross sell. Show frequently bought together product upsell & related products.
Key Features
- Show frequently bought products (FBT), related products, product recommendations
- Post purchase upsell & cross sell: Product addons, bought together bundles
- Automatic discount promotions: Add discounts to upsell & "also bought" products
- Product page upsell: Add one click upsell & cross-sell products & BOGO bundles
- Cart upsell: Add upsell cart app, cross-sell & product add-ons to cart drawer
Square: Sticky Add to Cart Bar
Square Sticky Add to Cart Bar: Never miss a sale by keeping the Add to Cart bar visible on scroll
Key Features
- Reduce abandonment: Keep Add to Cart always in view for easy purchase access.
- Seamless design: Mimics your store’s style for a consistent experience.
- Fully customizable: Adjust colors, size, and position to fit your store's look.
- Analytics: Monitor clicks, CTR, orders, and revenue growth directly in-app.
- Integration: Automatically supports multiple languages and currency conversion.
Feature Comparison
| Rating | 5/5 | 5/5 |
Rating Essential Upsell & Cross Sell5/5 Square: Sticky Add to Cart Bar5/5 | ||
| Reviews | 1004 | 54 |
Reviews Essential Upsell & Cross Sell1004 Square: Sticky Add to Cart Bar54 | ||
| Focus | AOV Growth (Upsells & Cross-sells) | Conversion Rate Optimization (Sticky Add to Cart) |
Focus Essential Upsell & Cross SellAOV Growth (Upsells & Cross-sells) Square: Sticky Add to Cart BarConversion Rate Optimization (Sticky Add to Cart) | ||
| Key Functionality | Product Bundles, FBT, Post-Purchase Upsells | Always-Visible Add to Cart Bar |
Key Functionality Essential Upsell & Cross SellProduct Bundles, FBT, Post-Purchase Upsells Square: Sticky Add to Cart BarAlways-Visible Add to Cart Bar | ||
| Target Merchant | Merchants seeking comprehensive upsell strategies | Merchants focused on mobile conversion & reducing cart abandonment |
Target Merchant Essential Upsell & Cross SellMerchants seeking comprehensive upsell strategies Square: Sticky Add to Cart BarMerchants focused on mobile conversion & reducing cart abandonment | ||
| Ease of Use | Potentially more complex setup due to feature richness | Simple, 1-minute setup (claimed) |
Ease of Use Essential Upsell & Cross SellPotentially more complex setup due to feature richness Square: Sticky Add to Cart BarSimple, 1-minute setup (claimed) | ||
| Value Proposition | Increase AOV through strategic product recommendations & promotions | Increase conversions by making the Add to Cart process more accessible & immediate |
Value Proposition Essential Upsell & Cross SellIncrease AOV through strategic product recommendations & promotions Square: Sticky Add to Cart BarIncrease conversions by making the Add to Cart process more accessible & immediate | ||
| Upselling Capabilities | Extensive - Post-purchase, BOGO, Bundles, FBT | None |
Upselling Capabilities Essential Upsell & Cross SellExtensive - Post-purchase, BOGO, Bundles, FBT Square: Sticky Add to Cart BarNone | ||
- Conversion Audit
- Speed Audit
- SEO Audit
Conversion Audit
Our Verdict
For merchants prioritizing a quick and easy solution to improve mobile conversions and reduce cart abandonment, Square: Sticky Add to Cart Bar is the clear choice. Its simplicity and focused functionality make it ideal for stores that want an immediate impact without investing heavily in complex strategies. The built-in analytics offer direct insight into its effectiveness.
However, for merchants seeking a more comprehensive approach to increasing AOV through various upsell and cross-sell strategies, Essential Upsell & Cross Sell is the superior option. Its range of features, including frequently bought together recommendations, product bundles, and post-purchase upsells, provides a robust toolkit for maximizing revenue per customer. The higher review count suggests a broader user base and more proven track record in achieving AOV growth.
Common Questions
Which app is easier to set up?
Square: Sticky Add to Cart Bar claims a 1-minute setup, suggesting it's significantly easier to configure than Essential Upsell & Cross Sell, which offers a wider range of features and customizations.
Which app is better for mobile users?
Square: Sticky Add to Cart Bar is specifically designed to improve the mobile shopping experience by keeping the 'Add to Cart' button visible on scroll. Essential Upsell & Cross Sell also functions on mobile but doesn't have a mobile-specific feature like the sticky bar.
Which app is better for increasing the average order value?
Essential Upsell & Cross Sell is explicitly designed to increase AOV through upsells, cross-sells, bundles, and other promotional strategies. Square: Sticky Add to Cart Bar focuses on increasing the number of orders, not necessarily the value of each order.
Do both apps offer analytics?
Square: Sticky Add to Cart Bar offers built-in analytics to track clicks, orders, and revenue. Essential Upsell & Cross Sell doesn't explicitly state built-in analytics in the description, though it's likely it tracks upsell performance.
Can I use both apps simultaneously?
Yes, it's possible to use both apps concurrently. Square: Sticky Add to Cart Bar can improve conversion rates, while Essential Upsell & Cross Sell can work on increasing AOV. There's no inherent conflict, and they target different aspects of the customer journey.
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