Checkout B | Checkout Upsells vs CheckoutPro Upsell Customizer
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 3, 2026 for Checkout B, Jun 3, 2026 for CheckoutPro Upsell Customizer.
The short answer
- Checkout B lists 14 features CheckoutPro Upsell Customizer’s listing doesn’t mention, including Announcement bar, Click-through rates, Conversion rates.
Head to head
- United States
- Germany
- United Kingdom
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
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.
Checkout Editor helps merchants customize and optimize their checkout experience with powerful conversion-focused features. Add quantity editors, product upsells, Trustpilot reviews, trust badges, shipping insurance, countdown timers, and more directly into checkout.
- 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.
- Add upsells and cross-sells directly inside checkout
- Show Trustpilot reviews to build trust and increase sales
- Add checkout timers to reduce cart abandonment
- Offer shipping insurance for higher customer confidence
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 |  CheckoutPro Upsell Customizer |
|---|---|---|
| Detected stores | 90 | 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 | Apparel & Accessories, Electronics, Home & Garden | Not published |
| Top store countries | United States, Germany, United Kingdom | Not published |
Reviews
| Measure | Checkout B | CheckoutPro Upsell Customizer |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 6 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Checkout B | CheckoutPro Upsell Customizer |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $199/month | No monthly plan listed |
| Longest free trial | 7 days | Not listed |
| Plans listed | 1 | Not published |
Listing
| Measure | Checkout B | CheckoutPro Upsell Customizer |
|---|---|---|
| Shopify category rank | #160 | #631 |
| Shopify App Charts | #8 in Checkout - Other | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Sep 6, 2023 | May 15, 2026 |
| Languages | 1 | 1 |
| Developer | Checkout Builder | Zoww Apps |
FAQ
Checkout B and CheckoutPro Upsell Customizer: common questions
- What features does each app list that the other doesn’t?
- Checkout B lists 14 the others don’t mention, such as Announcement bar, Click-through rates, Conversion rates, Gift wrap. CheckoutPro Upsell Customizer lists 3 the others don’t mention, such as Bundles, Product page upsell, Sticky cart. 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 3, 2026 for Checkout B, Jun 3, 2026 for CheckoutPro Upsell Customizer; 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 Nov 3, 2026 for Checkout B, Jun 3, 2026 for CheckoutPro Upsell Customizer. 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.