Trusted by 135+ Shopify Stores Generating More Sales From Their Cart
Boost Shopify Conversions & Revenue Guaranteed
Proven Results From Shopify Stores
From higher AOV to stronger conversion rates, our merchants see impact where it matters most — revenue.
We'll design the entire cart for you to Match your style & branding
We design, build, and launch your branded cart in 48 hours ready to convert.
Easy ROI Pricing
Try the monthly plan or secure the limited lifetime plan (5 licenses still available)
- All in the Monthly Plan
- Lifetime License & Future Updates
- Done-For-You Customization
- Match the Design & Branding of your Store
- Free Onboarding Call
- Support 7 Days a Week
- Cart Customization & Setup
- AI-Powered Cart Upsells
- Multi Rewards (Free Shipping, Free Gift)
- Cross-sell (Offer X for Y)
- Special 1-Click Offers
- Multilingual, Multi-currency based on Country
- Support 7 Days a Week
Key Features
From higher AOV to stronger conversion rates, our merchants see impact where it matters most — revenue.
No Coding Required
Our Shopify-friendly interface eliminates the need for coding knowledge.
Fully Customizable Design
Match your website’s aesthetic with easily adjustable features.
One-Click Integration
Just enable the app in the Shopify sotre and it’s live.
Mobile-Optimized
Mobile-first design and experience with 1-tap upsells and 1-tap checkout.
Why Choose Flex Upsell Cart
Don’t just sell products — deliver personalized offers that match each shopper’s behavior and increase conversions.
Example Offers
Create flexible offers, edit them anytime, and manage everything seamlessly in your Shopify admin.
Free Gift, if you spend $120
Gift Wrapping for $7.95
Upgrade to Subscription & Save 10%
Spend $150 get 10% Off, Spend $250 get 15% Off
Free Gift if you buy 3 products
Shipping Protection for $3.95
Free Gift, if you spend $120
Gift Wrapping for $7.95
Upgrade to Subscription & Save 10%
Spend $150 get 10% Off, Spend $250 get 15% Off
Free Gift if you buy 3 products
Shipping Protection for $3.95
Your ROI Guaranteed
After 14 Days, Your Revenue will
Grow or Keep The App For Free
We will make sure your doesn’t only look great, but produces results
You get free design concept as part of the demo.
No commitment. | Cancel anytime. | Performance based.
Loved by 135+ Growing Shopify Brands
Trusted by Shopify stores to boost conversions, increase order value, and turn every cart into a powerful revenue opportunity.
1,100+ Orders with Offers
We’ve been using Flex Upsell Cart for a while now and it has made a noticeable difference in our store’s performance. We’ve processed 1,100+ orders using this cart, and the upsell and discount features integrate seamlessly into the checkout experience without disrupting conversions. The automation options are easy to customize and work exactly as intended...
See more
Increase AOV introducing this App
Great customer service and increase AOV made by introducing this app to our checkout. Its been a pleasure working with the team.
Improved Functionality
Flex Upsell Cart has greatly improved the functionality and professionalism of our website. The setup was smooth, and the customization options work perfectly with our store. The team at EcomRolodex was very helpful during installation. Highly recommend this app for boosting conversions and cart experience.
Great app, great support
Really impressed with Flex Upsell Cart. We’re already seeing an increase in AOV and the upsell features work seamlessly. The support team is fantastic—Nick was very helpful and accommodating throughout the process. Highly recommend this app for any store looking to improve cart performance.
Easy setup, higher conversions
This checkout cart app was very easy to set up and quickly improved my store’s conversions. The features are simple to use and help drive more sales without complicating the checkout process. The customer support team is also outstanding: quick, friendly, and always ready to help. Highly recommend this app for Shopify stores.
One of the smartest apps we have
Flex Upsell is one of the smartest apps we have installed within our store. Not only is it a great way to get other offers and products in front of customers, it allows us to show our customers how much we love them.... Rewarding them with gifts, or additional products, for just being our best customers. They love the rewards and we love the brand loyalty!
Frequently asked questions
What results can I expect from Flex Upsell Cart?
Most stores see a 10–20% increase in average order value within the first 7 days.
We focus on proven offers like free gifts, shipping thresholds, and smart upsells that encourage customers to spend more before checkout.
What do you need to setup for my Shopify store?
We only need the collaborator code and we will request access from Shopify partners. You can find the 4 digit collaborator code by going to Admin Settings → Users → Security. It looks like “1234”.
Will this work with my Shopify theme?
Yes, Flex Upsell is built to work with any Shopify theme.
We match your branding, colors, and layout so the cart feels native to your store. It is a Shopify-approved app used by more than 135+ shops from more than 10 countries. For the custom themes, our team can assist to make it work seamlessly. Just contact us on email, whatsapp, or live chat.
Can I set this up by myself?
Yes.
You can install and launch in minutes, and if you choose the lifetime plan, we handle the entire design and setup for you within 48 hours. For any support quesitons you can use Live chat, whatsapp, or email.
What happens after the 14-day trial?
If you don’t cancel, your plan continues at $19/month. We don’t have contracts or commitment because almost all of our users are happy to keep it.













