Shopify upsell app guide
Choose a Shopify upsell app by the moment you want to improve.
Product-page add-ons, cart offers and post-purchase funnels solve different jobs. Choose one customer moment, one relevant offer and one profit measure before adding software.
The quick answer
Which option should you try first?
Start with Selleasy for straightforward product, cart and frequently bought together offers. Compare Upsell.com (ReConvert) when you want a broader funnel including one-click post-purchase offers. Consider UpsellPlus when eligible checkout placements and more advanced controls are the priority.
Before you compare apps
Decide these four things first.
Your answers will show whether Shopify's own tools are enough and which paid options are worth considering.
Where should the offer appear?
Product, cart, checkout and post-purchase placements have different constraints and customer intent.
What is genuinely complementary?
Choose products that complete the customer job rather than filling a widget.
How will you protect profit?
Include discount, fulfilment, return and app costs rather than measuring attributed revenue alone.
Who will improve the offers?
A broad funnel needs regular merchandising, QA and analysis.
Best fit by situation
Find the situation closest to yours.
No single app is best for every Shopify store. Start with the closest match below, then check that it works with the rest of your setup.
You need a practical first upsell setup
Selleasy
It covers common product, cart and post-purchase patterns with a relatively approachable setup.You want a broader upsell funnel
Upsell.com (formerly ReConvert)
It covers several stages and adds one-click post-purchase funnel capability.Checkout is the priority
UpsellPlus Checkout Upsells
Use it when checkout eligibility, control and the expected value justify a more specialist implementation.You want a lighter free starting point
Essential Upsell & Cross Sell
A focused free-plan option can be enough to prove whether simple offers help.High-volume Shopify brands
Rebuy Personalization Engine
Use Rebuy when an established store needs a broad, data-led upsell and personalisation layer.Growth stores focused on post-purchase AOV
AfterSell Post Purchase Upsell
Choose AfterSell when the priority is a focused post-purchase and checkout upsell programme.Brands with meaningful cart traffic
UpCart Cart Drawer Cart Upsell
Use UpCart when the cart drawer is the clearest place to improve basket value and customer experience.Your current cart limits merchandising and reassurance
Cartly
A cart drawer and upsell app for stores that want progress rewards, add-ons and checkout prompts in one cart experience.Compare your options
See the main differences at a glance.
Use this comparison to build a shortlist. Check current pricing and compatibility on the app's website before you buy.
You need a practical first upsell setup
Starting priceFree to installSetup effortLight setupYou want a broader upsell funnel
Starting priceFree plan availableSetup effortLight setupCheckout is the priority
Starting priceFrom USD 49/monthSetup effortLight setupYou want a lighter free starting point
Starting priceFree plan availableSetup effortLight setupHigh-volume Shopify brands
Starting priceFrom USD 25/monthSetup effortNeeds scopingGrowth stores focused on post-purchase AOV
Starting priceFrom USD 34.99/monthSetup effortHeavier setupBrands with meaningful cart traffic
Starting priceFrom USD 29.99/monthSetup effortHeavier setupYour current cart limits merchandising and reassurance
Starting priceFree plan availableSetup effortModerate setupStart with Shopify
Test the offer before buying the funnel
Use manual merchandising or a single controlled placement to prove customers accept the pairing before expanding the stack.
- The paired products solve one customer job.
- Margin stays acceptable after discount and fulfilment.
- The offer works on mobile.
- You can measure eligible orders and take rate.
Do not buy yet
Wait before buying if any of these apply.
- You cannot name the first placement and product pairing.
- The app would duplicate an existing cart, bundle or checkout tool.
- There is no owner for QA and offer maintenance.
- You plan to count all app-attributed revenue as incremental profit.
Your implementation plan
Put your choice into practice.
Follow these steps before moving on to the setup guide for your chosen app.
- 01
Choose one customer moment
Select product, cart or post-purchase based on the clearest unmet need.
What you should haveOne placement and one hypothesis. - 02
Model the offer
Record product cost, discount, fulfilment cost and expected take rate.
What you should haveA minimum profitable result. - 03
Build the smallest useful version
Configure one offer with clear eligibility and exclusions.
What you should haveOne complete draft offer. - 04
Test the full journey
Check acceptance, decline, stock, discounts, refunds and mobile presentation.
What you should haveA passed launch checklist. - 05
Keep only profitable evidence
Compare the test with the baseline after enough eligible orders.
What you should haveA keep, change or stop decision.
Frequently asked questions
Common questions before you choose.
What is the best Shopify upsell app?
There is no universal winner. Choose by placement, product relationship, checkout eligibility, pricing model and the team available to run it.
Is ReConvert better than Selleasy?
ReConvert is broader and stronger for a multi-stage or post-purchase funnel. Selleasy is often the more practical starting point for straightforward product and cart offers.
How do I measure an upsell app?
Use offer take rate, incremental average order value and contribution margin after discounts, returns, fulfilment and software cost.
Can an upsell app reduce conversion?
Yes. Irrelevant offers, clutter, slow loading or aggressive discounts can interrupt the purchase journey. Start with one placement and monitor conversion as well as upsell revenue.
Can I use a Shopify feature before buying a upsell and cross-sell app?
Use manual merchandising or a single controlled placement to prove customers accept the pairing before expanding the stack.
Sources
Where this information comes from.
App details come from the StackFit research database. Shopify features and limitations are checked against Shopify's own guidance.
- Upsell.com - ReConvert listingShopify App Store
- Selleasy listingShopify App Store
- Shopify product page CRO guidanceShopify
Affiliate relationships do not affect which apps appear or where they are placed. Read the StackFit recommendation methodology.
Still unsure?
Get a plan built around your store.
See what to install now, what to add later, what to replace and what to avoid for the moment.