Checkify ‑ Customize Checkout 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 May 12, 2026 for Checkify, Nov 7, 2026 for Checkout B.
The short answer
- Checkout B lists 23 features Checkify’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 featureSay goodbye to checkout limitations! With our app, you can easily add custom text fields to your checkout page, allowing customers to leave special instructions, gift messages, or any other personalized information. Make upselling a breeze! Showcase complementary products on the checkout page, encouraging customers to add those last-minute items to their cart before completing their purchase.
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.
- Custom Text Fields - Add custom text fields to your checkout page
- Dynamic Product Upsells - Showcase complementary product upsells on the checkout
- Mobile Optimised - Automatically resizes to work on all display sizes
- No Coding Required - Instantly customize your checkout in seconds.
- 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 |  Checkify |  Checkout B |
|---|---|---|
| Detected stores | Not published | 92 |
| 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 | Not published | Apparel & Accessories, Electronics, Home & Garden |
| Top store countries | Not published | United States, Germany, United Kingdom |
Reviews
| Measure | Checkify | Checkout B |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 6 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Checkify | Checkout B |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $199/month |
| Longest free trial | Not listed | 7 days |
| Plans listed | Not published | 1 |
Listing
| Measure | Checkify | Checkout B |
|---|---|---|
| Shopify category rank | Not enough data | #161 |
| Shopify App Charts | Not on this week’s charts | #8 in Checkout - Other |
| Built for Shopify | No | No |
| Launched | Sep 27, 2023 | Sep 6, 2023 |
| Languages | 1 | 1 |
| Developer | EcomDev | Checkout Builder |
FAQ
Checkify and Checkout B: common questions
- What features does each app list that the other doesn’t?
- Checkify lists 1 the others don’t mention, such as Cart upsell. Checkout B lists 23 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 May 12, 2026 for Checkify, Nov 7, 2026 for Checkout B; 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 May 12, 2026 for Checkify, Nov 7, 2026 for Checkout B. 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.