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Common decisions

Shopify app comparison

Essential Upsell & Cross Sell vs Cartly

Choose Essential Upsell & Cross Sell when you want to prove a small set of complementary offers. Choose Cartly when your current cart limits merchandising and reassurance. Choose neither if your current setup already does enough or the expected improvement would not justify the extra cost and work.

Essential Upsell & Cross Sell

Choose it when

You want to prove a small set of complementary offers. A lower-cost route for testing product, cart and post-purchase offers before committing to a heavier upsell stack.

Free up to USD 100 app revenueFees and limits ↓

Setup: Light setup

Affiliate link. It never affects our advice.

Cartly

Choose it when

Your current cart limits merchandising and reassurance. A cart drawer and upsell app for stores that want progress rewards, add-ons and checkout prompts in one cart experience.

Free for up to 20 total store ordersFees and limits ↓

Setup: Moderate setup

Affiliate link. It never affects our advice.

Neither yet?

Wait if the upsell and cross-sell problem is still occasional, your current setup already handles it or your team does not have time to use either app well.

See the simpler starting point →

The differences that matter

Swipe the table to see both apps →

What to checkEssential Upsell & Cross SellCartly
What you getFrequently bought together offers, Product and cart add-ons, Post-purchase offersCustom cart drawer, Cart upsells and add-ons, Progress and free-shipping bars
Important limitationPlans use app-generated revenue allowances.Replacing the theme cart can affect several customer journeys.

Essential Upsell & Cross Sell is the stronger fit when:

  • You want to prove a small set of complementary offers
  • A free or lower-cost starting tier matters
  • You need common placements rather than advanced experimentation

Cartly is the stronger fit when:

  • 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

What will you actually pay?

Essential Upsell & Cross Sell

Free up to USD 100 app revenue

Paid tiers increase app-generated revenue allowances; the first two allow $500 and $1,000. Check the measurement basis before launch.

Pricing checked 2026-09-07Check official pricing ↗

Cartly

Free for up to 20 total store orders

Paid tiers cover up to 100, 300 and 750 monthly store orders. Free development-store access is separate from live-store eligibility.

Pricing checked 2026-09-07Check official pricing ↗

Calculate the cost at your order volume →

You might not need either yet

Wait if the upsell and cross-sell problem is still occasional, your current setup already handles it or your team does not have time to use either app well.

  • You need complex multivariate testing
  • Your theme cart already does the required job
  • The problem is still occasional, your current setup already handles it or neither app would create enough value to justify the extra cost and work.

Ready to set it up?

Start with one useful feature and test the customer journey before switching on more.

Set up Essential Upsell & Cross Sell

Use Essential Upsell & Cross Sell for a controlled first use case and expand only after the result is proven.

  1. Pick a customer need
  2. Configure one offer
  3. Test every path
  4. Review the pilot

Set up Cartly

Use Cartly for a controlled first use case and expand only after the result is proven.

  1. Define the first job
  2. Configure the smallest useful version
  3. Check the connected journey
  4. Run realistic tests
Checks that apply to either app
  • The complete customer and operational journey works on mobile and desktop.
  • Required Shopify data and integrations update once and in the intended place.
  • A person responsible can resolve common failures without unsafe access or manual workarounds.
  • The measured value is compared with software cost, team time and new support demand.

Common questions

Is Essential Upsell & Cross Sell better than Cartly?

Not automatically. Essential Upsell & Cross Sell is the better fit when you want to prove a small set of complementary offers. Cartly is the better fit when your current cart limits merchandising and reassurance.

Which is easier to set up: Essential Upsell & Cross Sell or Cartly?

Essential Upsell & Cross Sell is currently classed as light setup, while Cartly is moderate setup. The real effort depends on your data, integrations, theme and the number of workflows you enable.

How should I test Essential Upsell & Cross Sell against Cartly before committing?

Choose one real customer journey and one measurable outcome. Complete the same checks for both options, including the complete customer and operational journey works on mobile and desktop. and required shopify data and integrations update once and in the intended place., then compare the result and the work your team had to do.

What should I measure after choosing Essential Upsell & Cross Sell or Cartly?

Record the current result before launch, then measure the customer outcome the app is meant to improve alongside app cost, support demand, errors and the time required to run it. Keep the app only when the total value is clear.

Can I switch between Essential Upsell & Cross Sell and Cartly later?

Usually, but switching can affect settings, customer data, theme placements, integrations and reporting. Export what you can, document the current setup and test the replacement before removing the original app.

Still comparing?

All upsell and cross-sell options →
Sources and independence

Based on official app listings and vendor documentation, not a claim of hands-on testing of every feature. Affiliate relationships do not decide which app we recommend.

Read our methodology