Cart upsells
Cartly
By CAPITALIPLY
A cart drawer and upsell app for stores that want progress rewards, add-ons and checkout prompts in one cart experience.
The verdict
Is Cartly right for you?
Choose it if...
- Your current cart limits merchandising and reassurance
- You have relevant add-ons or a useful free-shipping threshold
- You will protect cart speed and checkout clarity
Look elsewhere if...
- Your theme cart already does the required job
- You plan to fill the cart with unrelated offers
- You cannot test conflicts with other discount or cart apps
Its core job is improving the cart experience while presenting relevant add-ons and spend incentives.
See the full product summary
Cartly is a Shopify app for improving the cart experience while presenting relevant add-ons and spend incentives. This guide separates the useful day-to-day job from the wider feature list so you can judge the operational fit before installing it.
What you get
The main outcomes to expect.
Focus on the capabilities that solve a real customer or operational problem.
- Custom cart drawer
- Cart upsells and add-ons
- Progress and free-shipping bars
- Checkout and urgency controls
See connections and integrations
- Shopify Checkout
- Theme cart
- Discounts
- Product recommendations
Getting started
A practical route to launch.
Scan the stages first. Open only the instructions you need while completing the work.
- A measured baseline for cart-to-checkout rate
- A named owner for setup, testing and ongoing review
- A documented rollback route if the customer journey breaks
- 01PlanDefine the first job
- 02InstallConfigure the smallest useful version
- 03ConfigureCheck the connected journey
- 04ConfigureRun realistic tests
- 05TestMeasure before expanding
Detailed walkthrough
01PlanDefine the first job
Write down the exact problem Cartly should solve, the customers or products in scope and the current cart-to-checkout rate.
- What you should have
- A one-page launch brief with a dated baseline
- How to check it
- Confirm a one-page launch brief with a dated baseline before continuing.
02InstallConfigure the smallest useful version
Reproduce essential cart functions first, then add one complementary offer or progress incentive with explicit margin and eligibility rules.
- What you should have
- One controlled workflow with clear eligibility and exclusions
- How to check it
- Confirm one controlled workflow with clear eligibility and exclusions before continuing.
03ConfigureCheck the connected journey
Review the storefront, Shopify admin, notifications, reports and any connected platforms. Remove duplicate features before publishing.
- What you should have
- A completed dependency and ownership check
- How to check it
- Confirm a completed dependency and ownership check before continuing.
04ConfigureRun realistic tests
Test add, remove, quantity, discount, free-shipping, subscription, out-of-stock and accelerated-checkout journeys on mobile and desktop.
- What you should have
- Passed mobile, desktop and admin-side test evidence
- How to check it
- Confirm passed mobile, desktop and admin-side test evidence before continuing.
05TestMeasure before expanding
Run the controlled setup long enough to compare cart-to-checkout rate and incremental average order value with the saved baseline. Expand only when the evidence supports it.
- What you should have
- A keep, change or remove decision with an owner and review date
- How to check it
- Complete the journey on mobile and desktop, then confirm the intended event appears in the app reporting.
See the full planning checklist
- The single customer or operational problem to solve first
- Which products, markets and customer groups are included
- What result would justify keeping the app after the trial
- Which existing app or Shopify feature owns any overlapping job
Using it well
A simple operating rhythm.
You do not need to inspect everything every day. Use this schedule to focus on the right checks.
Success check
How to know it is working
- Cart-to-checkout rate
- Incremental average order value
- Upsell take rate
- Cart interaction errors
Cost and cautions
Know the commitment before you choose.
- Starting price
- Free plan available
- Typical range
- USD 16.99-49.99/month on published order tiers
- Pricing model
- Monthly order tiers
Confirm the order tier and ensure the cart earns more net value than the added software cost.
Check current pricing before purchasing. Snapshot checked 21 August 2026.
Installing Cartly without recording a baseline for cart-to-checkout rate.
Switching on every available feature before the core journey has been tested.
Treating app-reported revenue or activity as incremental without a controlled comparison.
See 3 more technical and commercial considerations
- Replacing the theme cart can affect several customer journeys.
- Too many prompts can reduce rather than improve conversion.
- Pricing increases with monthly order volume.
Compare your options
See how Cartly compares with other upsell and cross-sell options.
Choose the customer moment first. Selleasy is a practical starting point; ReConvert covers a broader funnel; UpsellPlus is for more advanced checkout-led programmes.
Questions and evidence
Answers without the research overload.
Is Cartly the right choice for every Shopify store?
No. It is strongest when your current cart limits merchandising and reassurance. Stores that your theme cart already does the required job should compare the alternatives before installing.
How should I test Cartly?
Record the relevant baseline, launch the smallest useful configuration, check the complete customer journey and compare the agreed metric after enough traffic or orders have accumulated.
Does the affiliate relationship affect this guide?
No. StackFit may earn a commission from the app link, but commercial relationships never affect quiz scoring, rankings or the editorial verdict.
How much work does Cartly take to set up?
Moderate setup is the current planning guide. Before installing it, confirm a measured baseline for cart-to-checkout rate, a named owner for setup, testing and ongoing review, a documented rollback route if the customer journey breaks, then test the complete customer and operational journey.
What should I measure after launching Cartly?
Start with cart-to-checkout rate, incremental average order value, upsell take rate. Compare those measures with the pre-launch baseline and include app cost and operating time.
Key official sources
- Cartly Shopify App Store listingChecked 2026-08-21
Ready to move?
Choose the route that matches your confidence.
Go to Cartly
Check the current listing, pricing and compatibility before installing.
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See what to install now, add later, replace and avoid for the moment.
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