Carti Checkout Theme Builder vs CartyLabs Checkout Customizer
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Jun 8, 2026 for Carti Checkout Theme Builder, May 5, 2026 for CartyLabs Checkout Customizer.
The short answer
Head to head
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThe app allows merchants to easily customize the appearance of their checkout page by changing fonts, colors, and visual styling elements — without needing to write code. With a simple and user-friendly interface, merchants can match their checkout design to their store branding and improve the overall customer experience.
CartyLabs Checkout Upsell helps Shopify merchants fully customize their checkout experience. Add product recommendations and upsells at checkout, display rewards progress bars to encourage larger carts, and show targeted banners with condition-based rules. Customize checkout branding with colors, text, and layouts.
- Customize checkout fonts and typography
- Change colors for buttons, text, backgrounds, and highlights
- Match checkout styling with your store branding
- Simple no-code customization interface
- Product recommendations and upsells at checkout to promote order value
- Customizable checkout branding with colors, typography, and layout profiles
- Rewards progress bar with milestones to encourage larger cart sizes
- Rule-based targeted banners, terms and conditions, and shipping protection
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 |  Carti Checkout Theme Builder |  CartyLabs Checkout Customizer |
|---|---|---|
| Detected stores | Not published | 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 | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Carti Checkout Theme Builder | CartyLabs Checkout Customizer |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Carti Checkout Theme Builder | CartyLabs Checkout Customizer |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | Not published | Not published |
Listing
| Measure | Carti Checkout Theme Builder | CartyLabs Checkout Customizer |
|---|---|---|
| Shopify category rank | #288 | #130(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jun 5, 2026 | Apr 29, 2026 |
| Languages | 1 | 1 |
| Developer | Carti Apps | CartyLabs |
FAQ
Carti Checkout Theme Builder and CartyLabs Checkout Customizer: common questions
- 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 Jun 8, 2026 for Carti Checkout Theme Builder, May 5, 2026 for CartyLabs Checkout 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 Jun 8, 2026 for Carti Checkout Theme Builder, May 5, 2026 for CartyLabs Checkout 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.