Blockify Checkout Rules Plus vs Opus Cart Upsell Cart Drawerfor Shopify (2026)
Blockify Checkout Rules Plus and Opus Cart Upsell Cart Drawer are both Shopify apps designed to optimize the checkout experience, but they approach this goal from different angles. Blockify focuses on checkout customization and rule enforcement to reduce friction, prevent fraud, and tailor B2C and B2B experiences. It provides tools for validating carts/addresses, setting order limits, managing discounts, and customizing the checkout page layout with extensibility functions. In contrast, Opus Cart Upsell Cart Drawer prioritizes increasing Average Order Value (AOV) through upsells, cross-sells, free gifts, and urgency tactics. It aims to convert more customers by turning the cart into a revenue-generating engine, also offering abandoned cart analytics. The fundamental difference lies in their core functionality. Blockify is about control and customization of the checkout process to improve overall efficiency and prevent issues, whereas Opus is about maximizing revenue through strategic product suggestions and incentives during the cart stage. While both apps touch upon the checkout experience, Blockify focuses on the 'checkout' page itself, and Opus focuses on optimizing the customer journey leading up to the 'checkout' by customizing the 'cart' experience. Both claim code-free customization.
At a Glance
Blockify Checkout Rules Plus
151 reviews
Opus Cart Upsell Cart Drawer
406 reviews
Detailed Overview
Blockify Checkout Rules Plus
Checkout rules and checkout to power checkout customizer an boost your checkout conversion.
Key Features
- Enforce checkout rules and order limits, manage checkout discounts to control CX
- Reduce confusion on the checkout page by hiding, reordering, or renaming options
- Lift AOV with checkout rules and post‑purchase upsell, checkout extensibility.
- Protect revenue with checkout customization to prevent risky orders.
- Tailor B2C and B2B experiences with checkout rules, discounts and customize.
Opus Cart Upsell Cart Drawer
Boost AOV & Conversions with Upsells, Cross-Sells, Free Gifts, Reward Bars & Custom Branding Support
Key Features
- Upsells & Cross-sell: Boost AOV with Frequently Bought Together offers
- Free Gifts: Encourage higher spending with Free Gifts based on cart variants.
- Rewards Bar: Encourage customers to buy more to get free shipping and rewards.
- Drive Urgency: Boost conversions with countdown timers & limited-time deals.
- Abandoned Cart: Recover sales by tracking & understanding why customers leave.
Feature Comparison
| Rating | 4.9/5 | 5/5 |
Rating Blockify Checkout Rules Plus4.9/5 Opus Cart Upsell Cart Drawer5/5 | ||
| Reviews | 151 | 406 |
Reviews Blockify Checkout Rules Plus151 Opus Cart Upsell Cart Drawer406 | ||
| Core Focus | Checkout Customization & Rules | Cart Upselling & AOV Boost |
Core Focus Blockify Checkout Rules PlusCheckout Customization & Rules Opus Cart Upsell Cart DrawerCart Upselling & AOV Boost | ||
| Key Features | Checkout rules, order limits, fraud prevention, B2B/B2C tailoring | Upsells, cross-sells, free gifts, rewards bar, abandoned cart analytics |
Key Features Blockify Checkout Rules PlusCheckout rules, order limits, fraud prevention, B2B/B2C tailoring Opus Cart Upsell Cart DrawerUpsells, cross-sells, free gifts, rewards bar, abandoned cart analytics | ||
| Target Merchant | Businesses needing checkout control, fraud protection, and customized experiences for B2B/B2C customers | Businesses prioritizing AOV growth and conversion rate optimization through upselling and incentives |
Target Merchant Blockify Checkout Rules PlusBusinesses needing checkout control, fraud protection, and customized experiences for B2B/B2C customers Opus Cart Upsell Cart DrawerBusinesses prioritizing AOV growth and conversion rate optimization through upselling and incentives | ||
| Ease of Use (Implied) | Likely moderate, considering checkout extensibility functions | Likely easier due to simple cart customization claims, code-free |
Ease of Use (Implied) Blockify Checkout Rules PlusLikely moderate, considering checkout extensibility functions Opus Cart Upsell Cart DrawerLikely easier due to simple cart customization claims, code-free | ||
| Value Proposition | Streamline checkout, prevent fraud, improve conversion through customization & rules | Increase AOV, recover lost sales, and improve conversions through upsells and incentives |
Value Proposition Blockify Checkout Rules PlusStreamline checkout, prevent fraud, improve conversion through customization & rules Opus Cart Upsell Cart DrawerIncrease AOV, recover lost sales, and improve conversions through upsells and incentives | ||
Our Verdict
For Shopify merchants seeking granular control over their checkout process, aiming to reduce fraud and tailor experiences for B2B and B2C customers, Blockify Checkout Rules Plus is the better choice. Its strength lies in its robust checkout customization capabilities and rule enforcement. Merchants primarily focused on boosting AOV and maximizing revenue through upselling and incentives should opt for Opus Cart Upsell Cart Drawer. Opus provides a more direct approach to increasing order value by leveraging the cart stage to offer relevant product suggestions and rewards.
While Opus has a slightly higher rating and significantly more reviews, the better app choice truly depends on the merchant's specific needs and goals. A merchant struggling with fraudulent orders or needing specific B2B checkout flows would be better served by Blockify, while a merchant focused solely on increasing order value would benefit more from Opus.
Common Questions
Which app is easier to set up and use?
Based on the descriptions, Opus Cart Upsell Cart Drawer is likely easier to use due to its focus on simple cart customization and claim of code-free implementation. Blockify Checkout Rules Plus, with its checkout extensibility functions, may require more technical understanding or developer assistance.
Can both apps be used together?
Potentially, but caution is advised. Using both apps simultaneously could lead to conflicts in functionality or a confusing checkout experience for customers. Thorough testing is crucial.
Which app is better for preventing fraudulent orders?
Blockify Checkout Rules Plus is explicitly designed to prevent risky orders with its fraud prevention features and checkout customization capabilities.
Which app is more focused on increasing Average Order Value (AOV)?
Opus Cart Upsell Cart Drawer is directly focused on boosting AOV through upsells, cross-sells, free gifts, and other incentives.
Does either app offer abandoned cart recovery?
Opus Cart Upsell Cart Drawer offers abandoned cart analytics, suggesting capabilities to track and understand customer drop-off, but Blockify makes no specific mention of abandoned cart functionality.
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