UpsellGrow Upsells and Cross-Sells

By StarterPlugins

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UpsellGrow adds cross-sells, bundle offers and "frequently bought together" suggestions to Squarespace stores, so more orders include a second item. It is made by StarterPlugins (Greengo Development Ltd), works on Squarespace 7.1 stores on the Core plan or above, and has a free plan.

What you get

  • Three offer types: cross-sell, bundle and frequently bought together (built from your real order history)
  • Offers across five locations: product page, slide-out cart, cart page, order confirmation and order status page, with 19 positions in total
  • A slide-out cart drawer that replaces the default Squarespace cart page jump
  • Popup offers when a customer clicks Add to Cart or Checkout
  • An AND / OR condition builder: trigger by product, collection, cart value or schedule
  • Per-offer analytics: impressions, add to cart, conversion rate, orders and revenue

Who it suits

Stores with products that naturally go together: fashion, home and decor, beauty, candles and gifts. It is most useful once you have steady orders, because the frequently bought together data and the analytics need volume to say anything.

Honest limits

The free plan allows one active offer. The vendor pricing table lists all offer types on the free plan but "1 offer type (Cross-sell)" on Growth and Scale, which reads like an error, so confirm which offer types your plan includes before upgrading. Bundles are created as hidden Squarespace products, which you will see in your inventory. Basic Squarespace plans are not supported.

Pricing and setup

Free (1 active offer), Growth $17 a month (10 offers) and Scale $29 a month (unlimited offers), with a 14-day free trial on paid plans. Install takes about five minutes: add the block, authorise access, then build your first offer.

Related guide: see our roundup of the best Squarespace plugins in 2026.

UpsellGrow slide-out cart with upsell offers on Squarespace

UpsellGrow Upsells and Cross-Sells

$0.00
$0.00
Get this Plugin

Specifications

Squarespace Version
7.1
What it does
Shows cross-sell, bundle and frequently bought together offers
Places offers on product, cart and post-purchase pages
Replaces the default cart with a slide-out drawer
Tracks revenue and conversions per offer
Key Features
5 locations and 19 offer positions
And / or condition builder
Popup offers on add to cart and checkout
Priority ranking when offers compete
Free plan with one active offer
Best for
Fashion stores
Home and decor shops
Beauty brands
Gift shops
Setup Difficulty
Easy
Considerations
Needs squarespace 7.1 on core plan or above
Free plan limited to one active offer
Check which offer types your paid plan includes
Bundles are created as hidden products in your store

FAQs

It adds product offers to a Squarespace store: cross-sells, discounted bundles and frequently bought together suggestions, shown on product, cart and post-purchase pages.
Yes. The free plan includes one active offer, all page locations and the analytics dashboard. Growth ($17 a month) and Scale ($29 a month) raise the offer limit.
Squarespace 7.1 stores on the Core plan or above, according to the vendor's setup notes.
On the product page, in a slide-out cart, on the cart page, on the order confirmation page and on the order status page, with 19 positions in total.
UpsellGrow looks at your past orders and pairs products that customers actually buy together, updating as new orders come in.
No. You install the block, authorise access and build offers in the UpsellGrow dashboard.

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