Checkout Boost: Rules & Upsell vs Checkout B | Checkout Upsells
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026.
The short answer
- Checkout B is detected on 1.9× as many Shopify stores as Checkout Boost: 94 vs 49 as of Nov 8, 2026.
- On the Shopify App Store: Checkout Boost 5.0 from 10 reviews and Checkout B 5.0 from 6 reviews.
- Only Checkout Boost lists a free plan. Paid plans start at $49/month for Checkout Boost and $199/month for Checkout B.
- Checkout B lists 15 features Checkout Boost’s listing doesn’t mention, including Announcement bar, Click-through rates, Conversion rates.
Head to head
- United States
- Australia
- United Kingdom
- 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.
Starter
- · All checkout pages
- · Compatible with Shopify Plus stores only
- · Delivery option: Hide, Rename, Reorder
- · Dev store access free
- · Payment method: Hide, Rename, Reorder
- · Unlimited static content blocks
Plus
- · All Starter features
- · BXGY & free gift automation
- · Checkout validation
- · Conditional content blocks
- · Post purchase & checkout upsell
- · Rule based discount codes
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 featureCheckoutBoost is the ultimate checkout customization app for upsells, post-purchase one-click offers, cross-sells & checkout blocks. Build checkout UI extensions with a no-code drag-and-drop editor powered by checkout extensibility. Apply 60+ smart conditions based on cart value, product tags, collections, customer segments & geography. Automate discounts code, BXGY deals & free gift rules.
Checkout 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.
- No-Code simple drag-and-drop checkout editor
- Global conditions engine for cart value, tags, customer attributes & more
- Build your own content checkout extension with text, banner, button and more
- Customizable upsell, form, content, and promotional checkout blocks
- 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.
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 Boost |  Checkout B |
|---|---|---|
| Detected stores | 49 | 94(ahead) |
| 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, Food, Beverages & Tobacco, Sporting Goods | Apparel & Accessories, Home & Garden, Electronics |
| Top store countries | United States, Australia, United Kingdom | United States, Germany, United Kingdom |
Reviews
| Measure | Checkout Boost | Checkout B |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 10(ahead) | 6 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Checkout Boost | Checkout B |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $49/month(ahead) | $199/month |
| Longest free trial | 30 days | 7 days |
| Plans listed | 2 | 1 |
Listing
| Measure | Checkout Boost | Checkout B |
|---|---|---|
| Shopify category rank | #101(ahead) | #163 |
| Shopify App Charts | #12 in Checkout - Other | #8 in Checkout - Other |
| Built for Shopify | Yes | No |
| Launched | Apr 19, 2024 | Sep 6, 2023 |
| Languages | 1 | 1 |
| Developer | Checkout Boost | Checkout Builder |
FAQ
Checkout Boost and Checkout B: common questions
- Which is more popular, Checkout Boost or Checkout B?
- Checkout B is detected on 1.9× as many Shopify stores as Checkout Boost: 94 vs 49 as of Nov 8, 2026.
- Is Checkout Boost or Checkout B cheaper?
- Only Checkout Boost lists a free plan. Paid plans start at $49/month for Checkout Boost and $199/month for Checkout B. 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 Boost or Checkout B?
- On the Shopify App Store: Checkout Boost 5.0 from 10 reviews and Checkout B 5.0 from 6 reviews.
- What features does each app list that the other doesn’t?
- Checkout Boost lists 2 the others don’t mention, such as AI recommendations, Bundles. Checkout B lists 15 the others don’t mention, such as Announcement bar, Click-through rates, Conversion rates, Custom CSS. 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; 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. 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.