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Checkout completion
Best Shopify Apps to Improve Checkout Conversion in 2026
Compare Shopify checkout optimization apps and their use cases, then choose tools that address the friction in your checkout journey.
Category
Business Goals
Year
2026
Updated
Updated March 2026
Summary
The apps below were selected for their ability to help merchants with improve checkout conversion.
Because business goals often require more than one app category, this list can include tools across acquisition, conversion, retention, analytics, operations, and customer experience.
Use the ranking as a shortlist, then confirm each app's current Shopify listing, pricing, integrations, and implementation effort before installing.
Why these apps
Why these apps made the list
This section defines the shortlist logic first so the ranking and recommendations stay tied to the same evaluation lens.
Quality signals
The score combines Bayesian-adjusted rating, review volume, estimated total installs, daily install momentum, and launch freshness.
Practical constraints
The final list limits duplicate developers and favors apps with enough public marketplace evidence to compare fairly.
Ranked apps
Rankings and app notes
The order below is based on Shopify localization fit, maintenance cost, and workflow depth.
#1
AOV.ai Cart Drawer Cart Upsell
Best overall
Upgrade your cart with a high-converting slide cart, upsells, and smart rewards. A sleek, powerful slide cart drawer to your unique store, helping shoppers...
Best forreducing checkout friction and helping more shoppers complete payment
PricingFree plan available
Strengths
- Strong 5.0-star rating
- 615 merchant reviews
- Estimated 12,300 total installs
- Shows current install momentum
Watchouts
- Newer app with less long-term operating history
#2
Kaching CartDrawer Cart Upsell
Best free plan
Boost AOV with a custom slide cart featuring cart discount, urgency timer, free shipping bar, etc. Kaching Cart Drawer Upsell helps you increase AOV with a...
Best forreducing checkout friction and helping more shoppers complete payment
PricingFree plan available; paid plans from $9.99 / month
Strengths
- Strong 5.0-star rating
- 742 merchant reviews
- Estimated 14,840 total installs
- Shows current install momentum
Watchouts
- Confirm feature fit and plan limits before installing
#3
Essential Sticky Add to Cart
Best free plan
Lift Conversions with Sticky Cart Bar, Floating Cart, Sticky Buy Button & Express Checkout. Improve your Shopify store’s conversion rate with a Sticky Add to...
Best forreducing checkout friction and helping more shoppers complete payment
PricingFree plan available
Strengths
- Strong 5.0-star rating
- 408 merchant reviews
- Estimated 8,160 total installs
- Shows current install momentum
Watchouts
- Newer app with less long-term operating history
#4
SMART Checkout Rules
Best free plan
Control payment, shipping, and discounts with checkout rules for a cleaner, dynamic checkout flow. SMART Checkout Rules helps merchants control the checkout...
Best forreducing checkout friction and helping more shoppers complete payment
PricingFree plan available; paid plans from $7.99 / month or $83.88/year and save 13%
Strengths
- Strong 5.0-star rating
- 381 merchant reviews
- Estimated 7,620 total installs
- Shows current install momentum
Watchouts
- Confirm feature fit and plan limits before installing
#5
Opus Cart Drawer Cart Upsell
Best free plan
Boost AOV & Conversions with Upsells, Cross-Sells, Free Gifts, Reward Bars & Custom Branding Support Opus goes beyond standard cart customization. Increase...
Best forreducing checkout friction and helping more shoppers complete payment
PricingFree plan available; paid plans from $12.99 / month $29.99/mo for Shopify Plus
Strengths
- Strong 4.9-star rating
- 526 merchant reviews
- Estimated 10,520 total installs
- Shows current install momentum
Watchouts
- Confirm feature fit and plan limits before installing
#6
Free Shipping Bar, Cart Upsell
Best free plan
Upsell via progressive free shipping messages to increase AOV with free gifts, discounts and more. Offer Free Shipping Upsell to increase AOV with AI Upsells....
Best forreducing checkout friction and helping more shoppers complete payment
PricingFree
Strengths
- Strong 4.9-star rating
- 365 merchant reviews
- Estimated 7,300 total installs
- Shows current install momentum
Watchouts
- Newer app with less long-term operating history
#7
Kedra Checkout Rules
Best free plan
Hide, rename, reorder shipping and payment methods, validate checkout, and apply shipping discounts Validate orders, hide payment and hide shipping, rename...
Best forreducing checkout friction and helping more shoppers complete payment
PricingFree plan available
Strengths
- Strong 4.8-star rating
- 375 merchant reviews
- Estimated 7,500 total installs
- Shows current install momentum
Watchouts
- Newer app with less long-term operating history
#8
Upsell & Cross Sell — Selleasy
Best free plan
AOV+ with bundling product addons, related products in cart upsell, checkout & post purchase upsell. Selleasy is a high-conversion one click upsell and post...
Best forreducing checkout friction and helping more shoppers complete payment
PricingFrom Free to install
Strengths
- Strong 4.9-star rating
- 2,220 merchant reviews
- Estimated 44,400 total installs
- Shows current install momentum
Watchouts
- Confirm feature fit and plan limits before installing
#9
Moon Bundles CartDrawer Upsell
Best free plan
Boost your AOV with Bundles, Volume Discount, Cart Drawer, BOGOs, Free Gift & Post Purchase Upsells Increase your conversion rate and AOV with high-converting...
Best forreducing checkout friction and helping more shoppers complete payment
PricingFree plan available; paid plans from $14.99 / month or $143.88/year and save 20%
Strengths
- Strong 4.9-star rating
- 411 merchant reviews
- Estimated 8,220 total installs
- Shows current install momentum
Watchouts
- Confirm feature fit and plan limits before installing
#10
Payment Rules Hide PaymentHero
Fast-growing
Sort + Hide Payment Methods & Checkout Payment Rules Boost your checkout conversion with optimized payment methods via Payment Rules. With Payment Hero you can...
Best forreducing checkout friction and helping more shoppers complete payment
PricingFrom $9.99 / month or $99.99/year and save 17%
Strengths
- Strong 4.9-star rating
- 221 merchant reviews
- Estimated 4,420 total installs
- Shows current install momentum
Watchouts
- No clearly listed free plan in the dataset
- Newer app with less long-term operating history
How to compare
How to compare these apps
Start with the comparison lens before the feature list, otherwise high-volume information tends to blur the real tradeoffs.
Start with the bottleneck
Pick the app that addresses the weakest step in your funnel or customer journey before adding more tools to the stack.
Match the metric
Define the metric you expect the app to move, such as traffic, conversion rate, AOV, repeat purchase rate, or support volume.
Check operating fit
Prioritize apps that fit your theme, data flow, team workflow, and current marketing or fulfillment stack.
How to choose
How to choose the right app for your store
The right pick depends on your store stage, operating complexity, and how often your content changes later.
Small stores
Prioritize simple setup, a free or low-cost plan, and features you can use immediately.
Growing brands
Look for automation, integrations, analytics, and plan tiers that will not force a migration too soon.
Larger operations
Evaluate support responsiveness, permissions, reporting depth, data handling, and operational controls.
Next step
How to choose apps for improve checkout conversion
The best option is the one that fits your store's current bottleneck and can scale with your operating model.
Use this ranking to build a shortlist, then compare current pricing, recent reviews, support quality, and implementation effort on the live Shopify App Store.