Checkout B | Checkout Upsells vs Checkout Engine
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for Checkout B, Oct 13, 2026 for Checkout Engine.
The short answer
- On the Shopify App Store: Checkout B 5.0 from 6 reviews and Checkout Engine 5.0 from 1 reviews.
- Only Checkout Engine lists a free plan. Paid plans start at $199/month for Checkout B and $7.99/month for Checkout Engine.
- Checkout B lists 11 features Checkout Engine’s listing doesn’t mention, including Announcement bar, Custom CSS, Custom HTML.
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
Sandbox
- · All features
- · Checkout Upsell Blocks
- · Hide / Rename / Reorder Payment Methods
- · Hide / Rename / Reorder Shipping Methods
- · Product Order Volume Shipping Discount
- · Rule-based Discount
Basic Plan
- · Chat & Email Support
- · Hide/Rename/Reorder Payment Methods
- · Hide/Rename/Reorder Shipping Methods
- · Order Discount
- · Product Discount
- · Shipping Discount
Advanced Plan
- · All features of Basic Plan
- · Analytics
- · Chat & Email Support
- · Checkout Branding
- · Checkout Upsell Block
- · Custom fields & blocks
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 Engine is a comprehensive checkout solution that helps you personalize your customer’s shopping experience. It gives you complete control over the checkout process, allowing you to manage payment and shipping methods. With checkout engine, you can upsell the products, customize discounts, manage the visual branding, and personalize minute details to fuel sales at key conversion points.
- 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.
- Increase revenue & average order value with upsell & product recommendation.
- Increase conversion with free shipping upsells & dynamic content to build trust.
- Add custom fields to checkout page for social links and payment icons.
- Hide, rename and reorder delivery and payment methods using Shopify Functions.
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 |  Checkout Engine |
|---|---|---|
| Detected stores | 94 | 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, Home & Garden, Electronics | Not published |
| Top store countries | United States, Germany, United Kingdom | Not published |
Reviews
| Measure | Checkout B | Checkout Engine |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 6(ahead) | 1 |
| New reviews, 28 days | 0 | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Checkout B | Checkout Engine |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $199/month | $7.99/month(ahead) |
| Longest free trial | 7 days | 15 days |
| Plans listed | 1 | 3 |
Listing
| Measure | Checkout B | Checkout Engine |
|---|---|---|
| Shopify category rank | #163(ahead) | #278 |
| Shopify App Charts | #8 in Checkout - Other | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Sep 6, 2023 | Nov 18, 2022 |
| Languages | 1 | 1 |
| Developer | Checkout Builder | Script Engine |
FAQ
Checkout B and Checkout Engine: common questions
- Is Checkout B or Checkout Engine cheaper?
- Only Checkout Engine lists a free plan. Paid plans start at $199/month for Checkout B and $7.99/month for Checkout Engine. 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 Checkout Engine?
- On the Shopify App Store: Checkout B 5.0 from 6 reviews and Checkout Engine 5.0 from 1 reviews.
- What features does each app list that the other doesn’t?
- Checkout B lists 11 the others don’t mention, such as Announcement bar, Custom CSS, Custom HTML, Frequently bought together. Checkout Engine lists 6 the others don’t mention, such as AI recommendations, Bundles, 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 8, 2026 for Checkout B, Oct 13, 2026 for Checkout Engine; 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 8, 2026 for Checkout B, Oct 13, 2026 for Checkout Engine. 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.