Cognify AI Upsell & Cross Sell vs SellUp: Add‑ons & Cart Upsell
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 Cognify AI Upsell & Cross Sell, Nov 9, 2026 for SellUp.
The short answer
- Paid plans start at $9/month for Cognify AI Upsell & Cross Sell and $14.99/month for SellUp.
- Cognify AI Upsell & Cross Sell lists 8 features SellUp’s listing doesn’t mention, including Bundles, Cart drawer, Checkout upsell.
Head to head
Cross-sell, Upsell, funnels, Add On, Recommendations & Cart.
- United States
- United Kingdom
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 1 active campaign
- · 1,000 widget impressions
- · 10 AI chat queries
Starter
- · 100 AI chat queries
- · 3 active campaigns
- · Email support
Growth
- · 10 active campaigns
- · 400 AI chat queries
- · A/B testing
- · Priority support
Pro
- · 1000 AI queries/mo
- · Advanced A/B testing
- · Unlimited campaigns
- · VIP chat support
Free Tier
- · AI On Page Upsell
- · Action Upsell
- · Analytics
- · Basic Support
- · Cart Upsell
- · Post Purchase
Getting Started
- · AI On Page Upsell
- · Action Upsell
- · Analytics
- · Cart Upsell
- · Post Purchase
- · Premium Support
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCognify is an AI-powered upsell and cross-sell app for Shopify that automatically increases your average order value (AOV) at every stage of the customer journey. Cognify shows frequently bought together offers at checkout, one-click post-purchase upsells, and smart cross-sells in cart — all powered by your store's real sales data, not manual rules.
Looking to maximize revenue? With SellUp, you can create precision based cross-sells, upsells, product accessories, shop the look & add-ons for your store. From the product page through to the cart & thank you page, you can offer the best upsell & product add-on flow throughout the customer journey. SellUp will match your stores design so upsells look seamless.
- AI-powered product recommendations that learn from your store's sales patterns
- One-click post-purchase upsells without re-entering payment details
- Checkout upsell offers with custom discounts and countdown timers
- Create cross-sells, upsells and add-ons to increase revenue across your store
- Offer add ons and upsells throughout the customer journey
- Create One Check Upsells in 60 seconds. Sell more with SellUp
- Create a frequently bought together section to increase average order value
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 |  Cognify AI Upsell & Cross Sell |  SellUp |
|---|---|---|
| Detected stores | Not published | 697 |
| Net store change, 28 days | 0 | −13 |
| Stores added, 28 days | Not enough data | 14 |
| Big-brand share | Not enough data | 11% |
| Top store categories | Not published | Apparel & Accessories, Home & Garden, Health & Beauty |
| Top store countries | Not published | United States, United Kingdom, Australia |
Reviews
| Measure | Cognify AI Upsell & Cross Sell | SellUp |
|---|---|---|
| App Store rating | Not published | 4.4 ★ |
| App Store reviews | Not published | 133 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Cognify AI Upsell & Cross Sell | SellUp |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $9/month(ahead) | $14.99/month |
| Longest free trial | 14 days | Not listed |
| Plans listed | 4 | 2 |
Listing
| Measure | Cognify AI Upsell & Cross Sell | SellUp |
|---|---|---|
| Shopify category rank | #1158 | #248(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Feb 18, 2026 | Apr 26, 2019 |
| Languages | 1 | 1 |
| Developer | Cognify Suite | LAUNCHTIP |
FAQ
Cognify AI Upsell & Cross Sell and SellUp: common questions
- Is Cognify AI Upsell & Cross Sell or SellUp cheaper?
- Paid plans start at $9/month for Cognify AI Upsell & Cross Sell and $14.99/month for SellUp. 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?
- Cognify AI Upsell & Cross Sell lists 8 the others don’t mention, such as Bundles, Cart drawer, Checkout upsell, Drag-and-drop editor. SellUp lists 6 the others don’t mention, such as Gift wrap, Multi-currency, Priority processing, Shipping protection. 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 Cognify AI Upsell & Cross Sell, Nov 9, 2026 for SellUp; 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 Cognify AI Upsell & Cross Sell, Nov 9, 2026 for SellUp. 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.