Rocket: Custom Product Pairs vs Squirrel Upsell & Cross Sell
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for Rocket, Sep 3, 2026 for Squirrel Upsell & Cross Sell.
The short answer
- Only Rocket lists a free plan.
- Squirrel Upsell & Cross Sell lists 4 features Rocket’s listing doesn’t mention, including Click-through rates, Custom HTML, Custom rules.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter
- · No algorithms — full manual control
- · Recommend by product or variant
- · Up to 3 manual product bundles
- · Widget customisation
Pro
- · 14-day free trial
- · Analytics
- · Cart page recommendations
- · Excel import & export
- · Full widget customisation
- · Per-variant recommendation overrides
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCustom Product Pairs gives merchants full control over which products appear as recommendations on product and cart pages. Unlike automated recommendation engines, you choose exactly which products are shown together — ideal for curated catalogues, specific pairings, and variant-level recommendations. Use bulk import to manage hundreds of recommendations at once, and customise the widget to match your store’s design.
Squirrel Upsell & Cross Sell helps you set up cross-sell and upsell recommendations across thousands of products, so even the largest catalogs are covered in minutes. Use rule-based targeting by price range and keywords (title, variant title, vendor, description, category, product type), as well as by collections, tags, metafields, and more.
- Manual product recommendations with full control over every pairing
- Variant-level recommendations for specific product combinations
- Bulk import and export using Excel files
- Customizable widget to match your store design
- Use a flexible rule-based system to select suitable product recommendations.
- Track statistics on recommendation widgets and adjust rule settings as needed.
- Convenient admin panel for quickly creating, managing, and displaying widgets.
- User-friendly color scheme and widget layout settings.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Rocket |  Squirrel Upsell & Cross Sell |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Rocket | Squirrel Upsell & Cross Sell |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 2 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Rocket | Squirrel Upsell & Cross Sell |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $9.99/month | No monthly plan listed |
| Longest free trial | 14 days | Not listed |
| Plans listed | 2 | Not published |
Listing
| Measure | Rocket | Squirrel Upsell & Cross Sell |
|---|---|---|
| Shopify category rank | #663 | Not enough data |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 6, 2026 | Sep 15, 2025 |
| Languages | 1 | 1 |
| Developer | Rocket Launchpad | Squirrel dev |
FAQ
Rocket and Squirrel Upsell & Cross Sell: common questions
- Is Rocket or Squirrel Upsell & Cross Sell cheaper?
- Only Rocket lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Rocket lists 3 the others don’t mention, such as Bundles, Product add-ons, Product page upsell. Squirrel Upsell & Cross Sell lists 4 the others don’t mention, such as Click-through rates, Custom HTML, Custom rules, Pop-ups. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 14, 2026 for Rocket, Sep 3, 2026 for Squirrel Upsell & Cross Sell; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 14, 2026 for Rocket, Sep 3, 2026 for Squirrel Upsell & Cross Sell. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.