CustomFit AI A/B Testing & CRO vs Qikify Checkout Customizer
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
- Qikify Checkout Customizer is detected on 2.4× as many Shopify stores as CustomFit AI A/B Testing & CRO: 153 vs 63 as of Nov 8, 2026.
- On the Shopify App Store: CustomFit AI A/B Testing & CRO 5.0 from 19 reviews and Qikify Checkout Customizer 4.9 from 73 reviews.
- Both list a free plan. Paid plans start at $79/month for CustomFit AI A/B Testing & CRO and $99/month for Qikify Checkout Customizer.
- CustomFit AI A/B Testing & CRO lists 14 features Qikify Checkout Customizer’s listing doesn’t mention, including AI recommendations, Cart drawer, Cart upsell.
Head to head
- India
- United States
- Australia
- United States
- Denmark
- Netherlands
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free (Dev stores)
- · 1 A/B Testing
- · 1 Personalization campaigns
- · AI Copilot
- · No-code AI Visual Editor
- · Only for dev stores, 14 days trial
- · Support on online & phone
10000 visitors/mo
- · No-code AI Visual Editor
- · Support on online & phone
- · Unlimited A/B Testing
- · Unlimited Personalization campaigns
- · Upto 10,000 Monthly Unique Visitors
Upto 10000 Monthly
- · AI Copilot
- · No-code AI Visual Editor
- · Support on online & phone
- · Unlimited A/B Testing
- · Unlimited Personalization campaigns
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 featureCustomFit.ai is an easy no-code platform for marketers for A/B testing, personalization, and popups. Easily run A/B tests on any page—product pages, home page, checkout page—to identify what drives the most sales. Beyond modifying existing content, you can add new content blocks with drag-and-drop simplicity, such as UGC video reels, recently viewed or purchased items, and more.
Fully 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.
- AI Conversion Optimization: Leverage Machine Learning to optimize conversions
- No code, A/B Testing, Split URL testing, Theme A/B testing, and A/B/N testing
- Easy to use No code visual editor to personalize product pages & landing pages
- Add new blocks like Video Reels, Recently Viewed items, and more via drag-n-drop
- 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),...
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 | CustomFit AI A/B Testing & CRO |  Qikify Checkout Customizer |
|---|---|---|
| Detected stores | 63 | 153(ahead) |
| Net store change, 28 days | +1 | 0 |
| Stores added, 28 days | 1 | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Health & Beauty, Apparel & Accessories, Food, Beverages & Tobacco | Health & Beauty, Apparel & Accessories, Home & Garden |
| Top store countries | India, United States, Australia | United States, Denmark, Netherlands |
Reviews
| Measure | CustomFit AI A/B Testing & CRO | Qikify Checkout Customizer |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 4.9 ★ |
| App Store reviews | 19 | 73(ahead) |
| New reviews, 28 days | 0 | 1(ahead) |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | CustomFit AI A/B Testing & CRO | Qikify Checkout Customizer |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $79/month(ahead) | $99/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | 3 | 2 |
Listing
| Measure | CustomFit AI A/B Testing & CRO | Qikify Checkout Customizer |
|---|---|---|
| Shopify category rank | #295 | #47 |
| Shopify App Charts | Not on this week’s charts | #17 in Checkout - Other |
| Built for Shopify | No | Yes |
| Launched | May 16, 2023 | Sep 30, 2022 |
| Languages | 1 | 8 |
| Developer | CustomFit.ai | Qikify Plus |
FAQ
CustomFit AI A/B Testing & CRO and Qikify Checkout Customizer: common questions
- Which is more popular, CustomFit AI A/B Testing & CRO or Qikify Checkout Customizer?
- Qikify Checkout Customizer is detected on 2.4× as many Shopify stores as CustomFit AI A/B Testing & CRO: 153 vs 63 as of Nov 8, 2026.
- Is CustomFit AI A/B Testing & CRO or Qikify Checkout Customizer cheaper?
- Both list a free plan. Paid plans start at $79/month for CustomFit AI A/B Testing & CRO and $99/month for Qikify Checkout Customizer. 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, CustomFit AI A/B Testing & CRO or Qikify Checkout Customizer?
- On the Shopify App Store: CustomFit AI A/B Testing & CRO 5.0 from 19 reviews and Qikify Checkout Customizer 4.9 from 73 reviews.
- What features does each app list that the other doesn’t?
- CustomFit AI A/B Testing & CRO lists 14 the others don’t mention, such as AI recommendations, Cart drawer, Cart upsell, Custom CSS. Qikify Checkout Customizer lists 6 the others don’t mention, such as Free shipping, Gift wrap, Product recommendations, Recommendation performance. 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.