Scale & Tail 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 13, 2026 for Scale & Tail, Sep 3, 2026 for Squirrel Upsell & Cross Sell.
The short answer
- Squirrel Upsell & Cross Sell lists 3 features Scale & Tail’s listing doesn’t mention, including Custom HTML, Custom rules, Pop-ups.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Scale & Tail Pro
- · 14-day free trial included
- · Cart drawer recommendations
- · Complement rules & custom groups
- · Performance metrics dashboard
- · Product & collection species mapping
- · Species selector storefront widget
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featurePet stores sell for many species, but generic upsell apps ignore pet type. Scale & Tail lets merchants define species, map collections, and group products so cart recommendations match the shopper. Shoppers pick a species, add to cart, and see complementary products in a smart drawer. Enable the theme app embed in admin without editing theme code. Track impressions, clicks, and add-to-carts in Metrics.
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.
- Species selector on storefront so shoppers pick their pet before buying
- Smart cart drawer with complementary product recommendations
- Collection mapping and custom groups for accurate pet product rules
- 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 |  Scale & Tail |  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 | Scale & Tail | 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 | Scale & Tail | Squirrel Upsell & Cross Sell |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $19.99/month | No monthly plan listed |
| Longest free trial | 14 days | Not listed |
| Plans listed | 1 | Not published |
Listing
| Measure | Scale & Tail | Squirrel Upsell & Cross Sell |
|---|---|---|
| Shopify category rank | #1155 | Not enough data |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 10, 2026 | Sep 15, 2025 |
| Languages | 1 | 1 |
| Developer | Cortex Code | Squirrel dev |
FAQ
Scale & Tail and Squirrel Upsell & Cross Sell: common questions
- What features does each app list that the other doesn’t?
- Scale & Tail lists 2 the others don’t mention, such as Cart drawer, Conversion rates. Squirrel Upsell & Cross Sell lists 3 the others don’t mention, such as 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 13, 2026 for Scale & Tail, 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 13, 2026 for Scale & Tail, 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.