Qikify Checkout Customizer vs THDC Checkout Builder
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 12, 2026 for Qikify Checkout Customizer, Feb 19, 2026 for THDC Checkout Builder.
The short answer
- Only Qikify Checkout Customizer lists a free plan.
- Qikify Checkout Customizer lists 12 features THDC Checkout Builder’s listing doesn’t mention, including A/B testing, Announcement bar, Conversion rates.
Head to head
- United States
- Denmark
- Japan
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · Available for all Shopify plans
- · Checkout MCP for AI agents
- · Checkout validation
- · Custom branding style (only Plus stores)
- · Custom delivery methods
- · Live chat support
Checkout Premium
- · Custom fields, UTM display conditions
- · Everything in Free plan
- · Extra widgets, badges, testimonials
- · Free testing for Sandbox/Dev stores
- · Post-purchase & B2B extensions
- · Premium prioritized support
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureFully customize and optimize your checkout page. On any plan, hide or rename payment methods, add custom delivery methods, prevent fraud with checkout validation rules and connect AI agents like Claude or Cursor via Checkout MCP. On Shopify Plus, add branded checkout blocks shown by UTM & more conditions, dynamic fields, checkout discounts, checkout upsells, post-purchase or B2B checkout.
THDC Checkout Builder empowers plus merchants to effortlessly tailor every aspect of their Shopify store's checkout process by harnessing the power of Shopify's advanced checkout extensibility and recommendation algorithm. From eye-catching banners that communicate brand messages to interactive forms and inputs, the possibilities are limitless.
- Customize checkout fields by adding more fields to the checkout page with rules
- Cross-sell product and upsell in checkout with Shopify native discounts combined
- Update product item selections directly in checkout page & sell extra services
- Extra checkout widgets: Testimonials, Banners, Buttons (Phone number, Link),...
- Widgets - Checkout widgets to help you show and collect data from your users.
- Conditionals - Decide when and to whom your widgets are displayed.
- Upsells - Generate revenue with cart, progress and post purchase upsells.
- Bespoke widget support - Create custom widgets tailored to you with our support.
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 |  Qikify Checkout Customizer |  THDC Checkout Builder |
|---|---|---|
| Detected stores | 169 | 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 | Health & Beauty, Apparel & Accessories, Home & Garden | Not published |
| Top store countries | United States, Denmark, Japan | Not published |
Reviews
| Measure | Qikify Checkout Customizer | THDC Checkout Builder |
|---|---|---|
| App Store rating | 4.9 ★ | Not published |
| App Store reviews | 73 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Qikify Checkout Customizer | THDC Checkout Builder |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $99/month | No monthly plan listed |
| Longest free trial | 14 days | Not listed |
| Plans listed | 2 | Not published |
Listing
| Measure | Qikify Checkout Customizer | THDC Checkout Builder |
|---|---|---|
| Shopify category rank | #45 | Not enough data |
| Shopify App Charts | #9 in Checkout - Other | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Sep 30, 2022 | Jun 4, 2024 |
| Languages | 8 | 1 |
| Developer | Qikify Plus | THDC Technologies |
FAQ
Qikify Checkout Customizer and THDC Checkout Builder: common questions
- Is Qikify Checkout Customizer or THDC Checkout Builder cheaper?
- Only Qikify Checkout Customizer lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Qikify Checkout Customizer lists 12 the others don’t mention, such as A/B testing, Announcement bar, Conversion rates, Free gifts. THDC Checkout Builder lists 11 the others don’t mention, such as Announcements, Bundles, Cart drawer, Custom notes. 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 12, 2026 for Qikify Checkout Customizer, Feb 19, 2026 for THDC Checkout Builder; 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 12, 2026 for Qikify Checkout Customizer, Feb 19, 2026 for THDC Checkout Builder. 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.