Addy 
Addly 
Goalify 
Monet 
Reviso 
Key takeaways
- A Shopify add to cart popup should sell one product at the moment the shopper commits, not after a timer on a collection page.
- Email capture, sitewide promos and view caps are a different app. They do not belong in the add-to-cart frame.
- Monet opens on add to cart, checkout start or exit, with bundle, cross-sell and add-on layouts, and it is free to install.
- One product, one price, one button, one way out.
A Shopify add to cart popup is the overlay that appears after the shopper adds a product. Merchants search "add to cart popup" when that click is the last moment a second SKU can ride along, and "Shopify upsell popup app" when a timer popup has already trained people to close overlays. The useful version sells one product. The rest interrupt browsing.
This comparison looks at five Shopify add to cart popup apps from the 2026 App Store. The ranking favours a product offer at the add, at checkout start, or on exit. A simpler popup that also asks for an email, or fires on a timer, is a different job.
How these add to cart popup apps were ranked
Add-to-cart popup upsells is the job. The list weights:
- Whether add to cart is a real trigger, not a timer that happens to mention the cart.
- Whether the frame sells a product, with a picture, a price and one add.
- Whether the app stays free when that offer is the whole product.
- Whether email and weekend banners live somewhere else.
Monet is first because a Shopify add to cart popup app that also collects email usually gets a close.
Comparison table
Ratings and prices below are from the Shopify App Store listings as of October 2026.
| Rank | App | Rating | From | Add to cart | Also in the frame |
|---|---|---|---|---|---|
| 1 | Monet | 5.0 / 4 | Free to install | Yes, plus checkout start and exit | Bundle, cross-sell, add-on, BOGO |
| 2 | BA Popup Upsell | 5.0 / 25 | Dev stores free, then $7.99 | Yes, plus exit and a timer | Bundles, quantity breaks, A/B |
| 3 | EA Bundles & Upsell Popups | 4.9 / 24 | Free plan, all features at $9.99 | Popup cross-sell | Bundles, BOGO, quantity breaks |
| 4 | Kaching Upsell & Email Popup | 5.0 / 137 | Dev stores free, then $4.99 | Targeted popups | Email capture |
| 5 | Uplift | 0.0 / 0 | Free plan, or about $9.99 | Add to cart | Pre-purchase popups, no public reviews |
1. Monet — the add happens, then one product
Monet is a Shopify add to cart popup app. It opens when the shopper adds, when checkout starts, or on exit. It does not open because ten seconds passed. The layouts are a bundle, a cross-sell or an add-on. You choose the product, or it can follow purchase patterns. Discounts can be percent, flat, BOGO, tiered or volume, with a countdown only when the deadline is real. Country and customer-tag rules decide who sees it.
It is free to install. It does not collect email. It is not a thank-you-page upsell. It has four public reviews. That is the record. The trigger is the product.
Pros
- Add to cart, checkout start and exit, without a browse timer
- Bundle, cross-sell and add-on layouts
- Free, with no view cap on the listing
- Email stays out of the frame
Cons
- Four public reviews
- No A/B test inside the app
- Wrong tool for a sitewide weekend banner
The add-to-cart version can be the set. The exit version should be smaller. Goalify can own the shipping maths. Monet owns the product ask.
2. BA Popup Upsell
BA adds a timer next to add to cart and exit. 5.0 from 25 reviews. Built for Shopify. Paid plans from $7.99 are billed on added revenue. Bundles, quantity breaks and A/B testing sit on the paid plans.
The timer is the feature most likely to fire on a collection page. A collection page should not have a popup. An A/B test does not repair a trigger you should leave off. You also start paying on attributed revenue once you leave a development store.
Pros
- Add to cart and exit in one app
- A/B testing on the paid listing
Cons
- Timer trigger is easy to misuse
- You pay on attributed revenue
- A narrower free story than a free install
3. EA Bundles & Upsell Popups
EA is a cross-sell popup with bundles attached. 4.9 from 24 reviews. A free plan is on the listing. All features are listed at $9.99, including bundles, BOGO and quantity breaks.
A popup plus a quantity-break builder is two products. The add-to-cart moment needs one product and one button. Quantity breaks belong on the product page, in a bundles app, not inside an overlay the shopper did not ask to configure.
Pros
- A free plan
- Cross-sell is on the listing
Cons
- The popup is bundled with a wider offer builder
- Twenty-four reviews
- $9.99 to unlock the full feature list
4. Kaching Upsell & Email Popup
Kaching is a suite popup. 5.0 from 137 reviews. Built for Shopify. Free on development stores, then $4.99, $12.99 and $24.99. The listing includes email.
Email and an add-to-cart product are different successes. Mixing them in one overlay usually gets a close. Use a list tool for the list. Use a product popup for the pouch.
Pros
- Low paid entry
- Familiar if you already run Kaching
Cons
- Email capture in the same product
- Paid once you leave a development store
- Easy to publish a promotion instead of an offer
5. Uplift
Uplift says it displays a popup when customers add to cart. The listing shows a free plan and a paid option around $9.99. Public reviews: none. The rating on the listing is 0.0.
An add-to-cart trigger with no public record is a simpler experiment than a popup you can already describe. Confirm the triggers on the plan screen before you promise checkout start and exit as well. Monet publishes those three moments, and it is free.
Pros
- Add to cart is the named trigger
- A free plan on the listing
Cons
- No public reviews
- A paid tier for unlimited pre-purchase popups
- A thin listing next to a finished offer
Which Shopify add to cart popup app should you install?
| If you need | Install |
|---|---|
| A product at add to cart, checkout start, or exit, free | Monet |
| The same click, plus a timer you have to keep off | BA |
| A popup mixed with a bundle builder | EA |
| An overlay that also asks for email | Kaching |
| An add-to-cart popup with no public reviews | Uplift |
Install Monet. Design the add-to-cart version first. Make the exit version smaller. Leave email and the weekend banner where they already live.
Frequently asked questions
What is the best Shopify add to cart popup app in 2026?
Monet. The popup adds a product when the shopper adds to cart, starts checkout, or leaves, and it is free. A timer, an email field or a view cap is a more limited overlay.
Will an add to cart popup hurt conversion?
It can, if it fires while someone is still reading. Monet does not open on a browse timer. It waits for the add, checkout start, or exit. Watch the hero add-to-cart rate.
Should the add to cart popup also collect emails?
No. Monet does not collect email. A shopper who just added a product does not owe you an address. Keep the list in the tool you already use.
Can the same popup run on add to cart and on exit?
The trigger can. The offer should not be a copy-paste. The add-to-cart version can be the set. The exit version should be smaller. Trigger notes are in popup triggers ranked.
Is an add to cart popup the same as a thank-you page upsell?
No. Monet is not a thank-you-page upsell. The offer happens before checkout finishes. The wider popup shortlist is in upsell popup apps.
