Scale & Tail vs Sparrow 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, Nov 6, 2026 for Sparrow Upsell & Cross Sell.
The short answer
- Only Sparrow Upsell & Cross Sell lists a free plan. Paid plans start at $19.99/month for Scale & Tail and $7.99/month for Sparrow Upsell & Cross Sell.
- Sparrow Upsell & Cross Sell lists 6 features Scale & Tail’s listing doesn’t mention, including Checkout upsell, Frequently bought together, Funnel performance.
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
Free to install
- · 1 Active Upsell Offer Campaigns
- · Cart page & Drawer Upsell
- · Customizable styling & live preview
- · Free AI Recommendations
- · Free setup on a call with us
- · One-Click upsell
Grow
- · Customizable styling & live preview
- · Free AI recommendations
- · Free setup on a call with us
- · One-Click upsell
- · Thank you & post-purchase upsells
- · Unlimited Active Upsell Offer Campaigns
Plus
- · Checkout page upsell
- · Customizable styling & live preview
- · Free AI recommendations
- · Free setup on a call with us
- · One-Click upsell
- · Thank you & post-purchase upsells
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.
Sparrow Upsell & Cross Sell app helps merchants increase AOV with AI-powered upsell, cross-sell, add-ons, and smart product recommendations. Show offers on product, cart, free checkout upsell, post-purchase, and thank you pages. Target all products, specific products, or collections, customize widgets to match your store, and track clicks, conversions, and revenue.
- 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
- Smart product recommendations with cross-sell and bundle offers
- Fully customizable design with carousel, stacked, and grid layouts
- Flexible triggers: all products, specific items, or collections
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 |  Sparrow 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 | Sparrow Upsell & Cross Sell |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 21 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | 0% |
Pricing
| Measure | Scale & Tail | Sparrow Upsell & Cross Sell |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $19.99/month | $7.99/month(ahead) |
| Longest free trial | 14 days | 7 days |
| Plans listed | 1 | 3 |
Listing
| Measure | Scale & Tail | Sparrow Upsell & Cross Sell |
|---|---|---|
| Shopify category rank | #1155 | #74(ahead) |
| Shopify App Charts | Not on this week’s charts | #12 on Rookies in Upsell and cross-sell |
| Built for Shopify | No | Yes |
| Launched | Jul 10, 2026 | Mar 2, 2026 |
| Languages | 1 | 1 |
| Developer | Cortex Code | Startstorez |
FAQ
Scale & Tail and Sparrow Upsell & Cross Sell: common questions
- Is Scale & Tail or Sparrow Upsell & Cross Sell cheaper?
- Only Sparrow Upsell & Cross Sell lists a free plan. Paid plans start at $19.99/month for Scale & Tail and $7.99/month for Sparrow Upsell & Cross Sell. 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?
- Scale & Tail lists 2 the others don’t mention, such as Cart drawer, Product recommendations. Sparrow Upsell & Cross Sell lists 6 the others don’t mention, such as Checkout upsell, Frequently bought together, Funnel performance, Product add-ons. 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, Nov 6, 2026 for Sparrow 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, Nov 6, 2026 for Sparrow 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.