Cartly Slide Cart Drawer Vs UpsellPlus Checkout Upsell: Which Shopify App Is Best For Your Store In October 2026?

Cartly Slide Cart Drawer Features

Here are the salient features of Cartly Slide Cart Drawer:

• ✅Ajax cart drawer with in-cart upsell, plus a popup cart page featuring a skip to checkout button.
• ✅Add a checkbox for Terms and Conditions and information about Buy Now Pay Later option to the shopping cart.
• ✅Sticky Add to Cart is a button at the bottom of the page that stays in place while you scroll.
• ✅Control the direct checkout and skip cart process using the Buy Now, Buy Button, and Add to Cart button.
• ✅Quick checkout feature: allow visitors to go to checkout from any page on your website.

UpsellPlus Checkout Upsell Features

Here are the salient features of UpsellPlus Checkout Upsell:

• ✅Add personalized upsell options to your cart, checkout, and after-purchase page.
• ✅Increase your regular income by converting single purchases into subscriptions.
• ✅Compatible with checkout.liquid and checkout extensions.
• ✅Test different checkout upsells with A/B testing to see which one is most effective.
• ✅Offer additional products based on specific conditions and guidelines.

Cartly Slide Cart Drawer Ratings

Cartly Slide Cart Drawer has garnered an overall rating of 4.9 stars from a total of 93 reviews on the Shopify app store.

Of the total reviews, 98% are positive, 2% are neutral, and 2% are negative.

✨ AI Summary of Cartly Slide Cart Drawer ReviewsThe app is a Shopify solution designed to streamline the checkout process by enabling features such as a customizable sidebar cart, "Buy Now" buttons, and direct-to-checkout functionality. It aims to reduce cart abandonment and improve conversion rates by simplifying the purchasing journey. Key strengths include its ease of installation, intuitive customization options, and seamless integration with various themes, including those with limited app compatibility. The app offers both free and paid plans, with the free version providing essential functionality for merchants seeking basic checkout optimization. A standout aspect is the highly responsive and efficient customer support, which assists with setup, troubleshooting, and even custom adjustments. However, limitations include restricted customization in certain areas, such as gradient styling for the cart drawer, and a lack of integrations with bulk-buy applications or progress bars for incentives like free shipping. Some users reported unclear billing practices, where premium features triggered automatic charges without explicit notification. Despite these drawbacks, the app is widely regarded as a reliable tool for enhancing user experience and boosting sales.

UpsellPlus Checkout Upsell Ratings

UpsellPlus Checkout Upsell has garnered an overall rating of 5.0 stars from a total of 145 reviews on the Shopify app store.

Of the total reviews, 100% are positive, 0% are neutral, and 0% are negative.

✨ AI Summary of UpsellPlus Checkout Upsell ReviewsThe app is a Shopify checkout and post-purchase upsell tool designed to increase average order value (AOV) through customizable offers, cross-sells, and discounts. It integrates seamlessly with Shopify scripts, allowing flexible offer configurations tailored to specific business needs. Key features include intuitive admin UI, robust analytics, and support for multi-language localization. The app excels in customer support, with highly responsive, 24/7 assistance, often including personalized troubleshooting and feature customization. Strengths include its ease of setup, lightweight performance, and measurable revenue impact, with many reporting immediate sales boosts. However, some users encountered occasional technical issues, such as clunky interfaces or delayed feature functionality, particularly with checkout upsells. While most praise the support team’s efficiency, a few noted unresolved billing concerns. The app is particularly well-suited for Shopify Plus merchants seeking a scalable, conversion-focused solution with exceptional service.

Cartly Slide Cart Drawer Pros and Cons

UpsellPlus Checkout Upsell Pros and Cons

Average Rating (High priority factor)

While considering user reviews, take note of the average ratings for Cartly Slide Cart Drawer and UpsellPlus Checkout Upsell. These ratings reflect users' overall satisfaction and can provide valuable insights into the reliability and effectiveness of each app. In this case, Cartly Slide Cart Drawer holds an average rating of 4.9 stars, whereas UpsellPlus Checkout Upsell has 5.0 star ratings.

For a comprehensive analysis, head to the Ratings and Reviews section.

Total Reviews (High priority factor)

Consider the total number of reviews Cartly Slide Cart Drawer and UpsellPlus Checkout Upsell have received. A higher number of reviews generally indicates a larger user base and more feedback, which can provide additional insights into the app's performance and user experience. Here, Cartly Slide Cart Drawer has received a total of 93 reviews and UpsellPlus Checkout Upsell has 145 reviews.

For a comprehensive analysis, head to the Ratings and Reviews section.

Launch Date (Low priority factor)

While not a direct measure of quality, consider the launch date of each app - Cartly Slide Cart Drawer and UpsellPlus Checkout Upsell to gain some context. A more established app brings years of experience and refinement to the table, but it's important to balance this factor with the app's average rating and total reviews. Cartly Slide Cart Drawer and UpsellPlus Checkout Upsell were launched on Sep 6, 2017 and Nov 3, 2021 respectively.

For a comprehensive analysis, head to the Overview of the Apps section.

Budget (High priority factor)

Take the time to analyze your specific needs, budget for the same, and long-term goals to decide which plan fits your requirements. Here, Cartly Slide Cart Drawer offers 4 pricing plans (1 free plan, 3 paid plans) with an average plan price of $22.99. UpsellPlus Checkout Upsell, on the other hand, has a total of 4 pricing plans (1 free plan, 3 paid plans) with an average plan price of $91.75.

For a comprehensive analysis, head to the Pricing Details section.

Support Channel (Medium priority factor)

Both Cartly Slide Cart Drawer and UpsellPlus Checkout Upsell provide customer support through various channels, such as email, live chat, FAQs section, or phone. A higher number of support channels indicates better accessibility and assistance, ensuring timely help whenever you need it. Here, the two apps offer the following support channels:

Cartly Slide Cart Drawer: Email, Phone, FAQs page - 3 support options

UpsellPlus Checkout Upsell: Email, Phone, FAQs page - 3 support options

For a comprehensive analysis, head to the Support section.

Integrations (Medium priority factor)

Evaluate the integration capabilities of Cartly Slide Cart Drawer and UpsellPlus Checkout Upsell. Consider the number and variety of integration options they offer with other tools and services - more integration options can provide flexibility and streamline your workflows. Both apps offer various integration options with popular Shopify tools and services.

Cartly Slide Cart Drawer: 6 integrations

UpsellPlus Checkout Upsell: 9 integrations

For a comprehensive analysis, head to the Integrations section.

Trial Period (Low priority factor)

Free trial periods allow you to explore the app's features and functionalities before committing. Cartly Slide Cart Drawer comes with a 14-day free trial period. UpsellPlus Checkout Upsell, on the other hand, comes with a 14-day free trial period.Take advantage of these trial periods to assess how well each app aligns with your specific business needs.

For a comprehensive analysis, head to the Features section.