Checkout B | Checkout Upsells vs UpsellPlus Checkout Upsell
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 11, 2026.
The short answer
- UpsellPlus Checkout Upsell is detected on 1.1× as many Shopify stores as Checkout B: 118 vs 104 as of Nov 11, 2026.
- On the Shopify App Store: Checkout B 5.0 from 6 reviews and UpsellPlus Checkout Upsell 5.0 from 151 reviews.
- Only UpsellPlus Checkout Upsell lists a free plan. Paid plans start at $199/month for Checkout B and $49/month for UpsellPlus Checkout Upsell.
- Checkout B lists 10 features UpsellPlus Checkout Upsell’s listing doesn’t mention, including Custom CSS, Custom HTML, Custom rules.
Head to head
Grow AOV, post-purchase, BOGO, offers, funnels, gifts
- United States
- Germany
- United Kingdom
- United States
- United Kingdom
- Sweden
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Checkout Plus
- · Access to all features
- · Advanced Branding (Custom CSS + Fonts)
- · Analytics
- · Checkout Upsells
- · Customize Thank you & Order Status Pages
- · Customize Thank you & Order Status Pages
Free
- · Analytics
- · Build for free. Launch with a free trial
- · Checkout Upsells (Plus only)
- · Choose from all 12 upsell types
- · Product, Cart, Post-purchase upsells
Basic
- · Cart Page, Pop-up & Drawer Upsells
- · Earn back fees with UpsellPlus Earn
- · Free Gifts
- · Multivariate A/B testing
- · Post-purchase Upsells
- · Product Page Upsells
Pro
- · AI recommendations
- · Checkout Customization
- · Checkout Upsells
- · Earn back fees with UpsellPlus Earn
- · Everything in Basic, plus:
- · Thank You Page Customizations
Advanced
- · Checkout & TY page Customization
- · Checkout Upsells
- · Earn back fees with UpsellPlus Earn
- · Everything in Basic, plus:
- · Live support with 30s replies
- · Multivariate A/B Testing
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCheckout Builder gives Shopify Plus merchants full control over Checkout with high-converting, extensible blocks. Add upsells, cross-sells, trust badges, custom messaging, dynamic content, and conditional logic—no code required. Built on Shopify Checkout Extensibility, it’s fast, secure, upgrade-safe, and fully compatible with Shopify updates.
UpsellPlus helps increase average order value with personalized upsells and cross sells across product pages, cart drawers, checkout, post purchase, thank you, order status and customer account pages. Staff can also upsell in store with offers on the Shopify POS home screen, added in one tap. Create one click post purchase offers, free gifts, subscription upgrades and checkout customizations.
- Increase revenue w/ ROI-focused elements: conditional upsells, upgrades, & more.
- Add your branding to checkout with our advanced branding editor & live preview.
- Increase conversion with free shipping upsells & dynamic content for trust.
- Incorporate custom fields for gift messages, delivery notes, etc.
- Customize checkout, cart and post-purchase page with upsells and customizations
- Upsell one-off purchases to subscriptions to grow your recurring revenue
- Add custom fields to checkout page for gift message, delivery date/notes
- A/B test checkout upsells to learn what works best
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 |  Checkout B |  UpsellPlus Checkout Upsell |
|---|---|---|
| Detected stores | 104 | 118(ahead) |
| Net store change, 28 days | 0 | +18 |
| Stores added, 28 days | Not enough data | 20 |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Apparel & Accessories, Home & Garden, Health & Beauty | Health & Beauty, Apparel & Accessories, Food, Beverages & Tobacco |
| Top store countries | United States, Germany, United Kingdom | United States, United Kingdom, Sweden |
Reviews
| Measure | Checkout B | UpsellPlus Checkout Upsell |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 6 | 151(ahead) |
| New reviews, 28 days | 0 | 6(ahead) |
| Reviewers a year or more in | Not enough data | 11% |
Pricing
| Measure | Checkout B | UpsellPlus Checkout Upsell |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $199/month | $49/month(ahead) |
| Longest free trial | 7 days | 14 days |
| Plans listed | 1 | 4 |
Listing
| Measure | Checkout B | UpsellPlus Checkout Upsell |
|---|---|---|
| Shopify category rank | #192 | #22(ahead) |
| Shopify App Charts | #11 in Checkout - Other | #10 in Checkout - Other |
| Built for Shopify | No | Yes |
| Launched | Sep 6, 2023 | Nov 3, 2021 |
| Languages | 1 | 1 |
| Developer | Checkout Builder | UpsellPlus |
FAQ
Checkout B and UpsellPlus Checkout Upsell: common questions
- Which is more popular, Checkout B or UpsellPlus Checkout Upsell?
- UpsellPlus Checkout Upsell is detected on 1.1× as many Shopify stores as Checkout B: 118 vs 104 as of Nov 11, 2026.
- Is Checkout B or UpsellPlus Checkout Upsell cheaper?
- Only UpsellPlus Checkout Upsell lists a free plan. Paid plans start at $199/month for Checkout B and $49/month for UpsellPlus Checkout Upsell. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Checkout B or UpsellPlus Checkout Upsell?
- On the Shopify App Store: Checkout B 5.0 from 6 reviews and UpsellPlus Checkout Upsell 5.0 from 151 reviews.
- What features does each app list that the other doesn’t?
- Checkout B lists 10 the others don’t mention, such as Custom CSS, Custom HTML, Custom rules, Drag-and-drop editor. UpsellPlus Checkout Upsell lists 9 the others don’t mention, such as A/B testing, AI recommendations, Cart drawer, Cart 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 Nov 11, 2026; estimated figures are labeled.
Keep comparing
More matchups
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 Nov 11, 2026. 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.