Shopify · Upsell & cart

Upsell & Cross Sell — Selleasy review

The most-reviewed Shopify upsell & cart drawer app we index, though not our top pick — that is Essential Upsell & Cross Sell.

Best for: Multi-surface upsells with a well-regarded support team behind them.
4.9 (2.5k) Free to install by Selleasy Best value

Listing data checked 23 August 2026

Strengths and trade-offs

What it does well
  • 2,500+ reviews at 4.9
  • Covers product page, cart and post-purchase
  • Consistently praised for hands-on setup help
Trade-offs
  • 'Free to install' means usage-based charges — model the bill at your order volume
  • Widget styling needs work to match premium themes

What "Free to install" actually means

This is the label to read carefully. It almost always means billing tied to your volume — a share of attributed revenue, or charges above an order threshold. The bill scales exactly as your store grows, so model it at twelve months of projected orders rather than today's.

Whatever the label says, the calculation is the same: a upsell & cart drawer app has to lift revenue by more than it costs. Our break-even calculator works out the lift you would need against your own orders and margin — for most stores it is a fraction of a percent, which means the subscription is rarely the real question. The payload the app adds to every page load usually is.

Head to head

Upsell & Cross Sell — Selleasy vs our category pick

How it lines up against Essential Upsell & Cross Sell, which we rank first for upsell & cart drawer apps.

AppRating ReviewsPricingBest for
Upsell & Cross Sell — Selleasy 4.9 2,519 Free to install Multi-surface upsells with a well-regarded support team behind them
Essential Upsell & Cross Sell 5.0 2,231 Free plan available Product-page frequently-bought-together blocks plus post-purchase offers
Alternatives

The closest alternatives to Upsell & Cross Sell — Selleasy

Every upsell & cart drawer app we index, ranked by the weight of merchant feedback behind it. Which surfaces are covered is usually the axis that decides between them.

AppRating ReviewsPricingBest for
Essential Upsell & Cross Sell 5.0 2,231 Free plan available Product-page frequently-bought-together blocks plus post-purchase offers
Kaching CartDrawer Cart Upsell 5.0 1,180 Free plan available Replacing the theme cart drawer with an upsell-aware slide cart
Aftersell Post Purchase Upsell 4.8 899 Free plan available Serious post-purchase funnels with branching offer logic
Essent Cart Drawer Cart Upsell 5.0 858 Free A free slide cart with a rewards progress bar
SMART Checkout Rules & Upsells 5.0 645 Free Checkout-level rules on top of post-purchase offers

Full upsell & cart drawer ranking with buying criteria

FAQ

Upsell & Cross Sell — Selleasy: common questions

Is Upsell & Cross Sell — Selleasy free?
Free to install on the Shopify App Store. This is the label to read carefully. It almost always means billing tied to your volume — a share of attributed revenue, or charges above an order threshold. The bill scales exactly as your store grows, so model it at twelve months of projected orders rather than today's.
How well rated is Upsell & Cross Sell — Selleasy?
4.9 out of 5 from 2,519 ratings, checked 23 August 2026. That is 29% of merchant reviews across the 7 Shopify upsell & cart drawer apps we index, and the largest review base in the category. Ratings in this category cluster tightly between 4.8 and 5.0, so the size of the review base tells you more than the average does.
What are the best alternatives to Upsell & Cross Sell — Selleasy?
The closest alternatives in the same category are Essential Upsell & Cross Sell, Kaching CartDrawer Cart Upsell, Aftersell Post Purchase Upsell. If you want the safest default, Essential Upsell & Cross Sell is our pick for this category.
How we assess apps. Ratings, counts, pricing labels and — where the marketplace publishes one — the vendor name come from the public Shopify App Store listing and carry the date they were checked. The verdict, the "best for" line and the trade-offs are our editorial judgement. We take no money from any vendor listed here — full methodology.