Axiom AI 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 Axiom AI, Nov 6, 2026 for Sparrow Upsell & Cross Sell.
The short answer
- Only Sparrow Upsell & Cross Sell lists a free plan. Paid plans start at $29/month for Axiom AI and $7.99/month for Sparrow Upsell & Cross Sell.
- Sparrow Upsell & Cross Sell lists 4 features Axiom AI’s listing doesn’t mention, including Checkout upsell, Funnel performance, Product add-ons.
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
- · 3 storefront placements
- · 30-day data retention
- · Basic attribution
Growth
- · A/B testing
- · All storefront placements
- · Smart popups
Pro
- · Advanced attribution
- · All storefront placements
- · Priority support
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 featureAxiom AI helps merchants show relevant product recommendations across the storefront without complex setup. It uses product catalog data, shopper events, and local ranking rules to display product page upsells, related products, and personalized picks. Merchants can manage recommendation scenes, sync their catalog, review impressions and clicks, and connect Shopify Billing from one embedded admin app.
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.
- Show AI product recommendations on product pages
- Create and manage upsell scenes from the admin
- Track impressions, clicks, CTR, and revenue attribution
- Test recommendation variants with simple A/B controls
- 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 |  Axiom AI |  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 | Axiom AI | 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 | Axiom AI | Sparrow Upsell & Cross Sell |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $29/month | $7.99/month(ahead) |
| Longest free trial | 3 days | 7 days |
| Plans listed | 3 | 3 |
Listing
| Measure | Axiom AI | Sparrow Upsell & Cross Sell |
|---|---|---|
| Shopify category rank | #450 | #74(ahead) |
| Shopify App Charts | Not on this week’s charts | #16 on Rookies in Upsell and cross-sell |
| Built for Shopify | No | Yes |
| Launched | Jul 17, 2026 | Mar 2, 2026 |
| Languages | 1 | 1 |
| Developer | Axiom AI | Startstorez |
FAQ
Axiom AI and Sparrow Upsell & Cross Sell: common questions
- Is Axiom AI or Sparrow Upsell & Cross Sell cheaper?
- Only Sparrow Upsell & Cross Sell lists a free plan. Paid plans start at $29/month for Axiom AI 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?
- Axiom AI lists 2 the others don’t mention, such as A/B testing, Product recommendations. Sparrow Upsell & Cross Sell lists 4 the others don’t mention, such as Checkout upsell, Funnel performance, Product add-ons, Thank you page upsell. 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 Axiom AI, 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 Axiom AI, 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.