CustomFit AI A/B Testing & CRO

Shopify upsell and cross-sell app by CustomFit.ai·No-code A/B Testing and Website Personalization CRO platform built for marketers

Snapshot

5.00(19 reviews)#239of 953 inUpsell and cross-sell

Ongoing.AI tracks CustomFit AI A/B Testing & CRO daily — category rank, keyword positions in App Store search, install footprint, listing changes, and reviewer sentiment — back to when we first observed the listing.

Rating

5.00

19 reviews

Pricing

From $149/mo

freemium

Built for Shopify

No

Years live

3

launched May 16, 2023

Last updated

Jun 30, 2026

Shopify listing

Catalog position

Where CustomFit AI A/B Testing & CRO sits in the App Store.

Rank and percentile inside the Upsell and cross-sell category — the competitive shape of the niche around this app.

Rank in Upsell and cross-sell

#239

of 953 active apps

Review count percentile

75th

vs category siblings

Rating percentile

65th

vs category siblings

Years on App Store

3

since 2023

Listing change cadence

What CustomFit AI A/B Testing & CRO has changed lately.

Every pricing tweak, tagline refresh, and Shopify-side listing ping. Captured from Ongoing.AI’s per-scrape diff log — the cadence and the content of changes, in one strip.

Listing changes · last 21 days+16shopify_lastmod: 2026-06-09 → 2026-06-11shopify_lastmod: 2026-06-11 → 2026-06-12shopify_lastmod: 2026-06-12 → 2026-06-16shopify_lastmod: 2026-06-16 → 2026-06-19shopify_lastmod: 2026-06-19 → 2026-06-21shopify_lastmod: 2026-06-21 → 2026-06-22shopify_lastmod: 2026-06-22 → 2026-06-27shopify_lastmod: 2026-06-27 → 2026-06-28shopify_lastmod: 2026-06-28 → 2026-06-30Jun 10, 26Jun 21, 26Jul 1, 26

Shopify Lastmod · Jul 1

2026-06-28 → 2026-06-30

Shopify Lastmod · Jun 29

2026-06-27 → 2026-06-28

Shopify Lastmod · Jun 28

2026-06-22 → 2026-06-27

PricingIdentity & listingCadence

Reviews

What merchants are saying

5.00(19 reviews)
  • 100%positive19
  • 0%neutral0
  • 0%negative0

Top themes

    What merchants praise

    CustomFit is an amazing app for running A/B tests and personalizing a Shopify store without any coding. The interface is very easy to use, and setting up experiments takes just a few minutes. It’s helped us test different ideas quickly and improve our store’s performance. Highly recommend it to any Shopify merchant looking to optimize for conversions!
    Emma Sleep India · 5 · 2026-03-11

    Plans

    CustomFit AI A/B Testing & CRO pricing tiers.

    Free (Dev stores)

    Free

    • Available for development stores only
    • 1 Campaigns
    • A/B Testing
    • Support on online & phone
    • No-code AI Visual Editor

    10000 visitors/mo

    $149/month

    • Upto 10000 Monthly Unique Visitors
    • Unlimited A/B Testing
    • Unlimited Personalization campaigns
    • No-code AI Visual Editor
    • Support on online & phone

    20000 visitors/mo

    $249/month

    • Upto 20000 Monthly Unique Visitors
    • Unlimited A/B Testing
    • Unlimited Personalization campaigns
    • Upsell Cross-sell popups, nudges
    • Support on online & phone
    • No-code AI Visual Editor

    Capabilities

    What CustomFit AI A/B Testing & CRO can do.

    The 23 capabilities CustomFit AI A/B Testing & CRO lists across its category, in Shopify’s own taxonomy. Pulled directly from the App Store listing.

    Customization

    14
    • Cart upsell
    • Checkout upsell
    • Product page upsell
    • Announcement bar
    • Progress bar
    • Thank you page upsell
    • One-click add-ons
    • Sticky cart
    • Cart drawer
    • Pop-ups
    • Custom CSS
    • Custom HTML
    • Drag-and-drop editor
    • Custom rules

    Offers and recommendations

    4
    • Free gifts
    • Product add-ons
    • Frequently bought together
    • AI recommendations

    Analytics

    5
    • A/B testing
    • Click-through rates
    • Conversion rates
    • Optimization suggestions
    • Funnel performance

    FAQ

    CustomFit AI A/B Testing & CRO — frequently asked questions.

    What is CustomFit AI A/B Testing & CRO on Shopify?
    CustomFit AI A/B Testing & CRO is a Shopify app in the Upsell and cross-sell category. CustomFit.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. Leverage AI Machine Learning to optimize conversion rates (CRO), boost revenue, and enhance upselling strategies. It averages 5.00 out of 5 across 19 merchant reviews on the Shopify App Store.
    How much does CustomFit AI A/B Testing & CRO cost?
    CustomFit AI A/B Testing & CRO offers a free plan and 2 paid plans starting at $149/month and going up to $249/month. The free plan includes Available for development stores only, 1 Campaigns, A/B Testing, and Support on online & phone. The paid plans unlock advanced features beyond what's available on the free tier.
    Is CustomFit AI A/B Testing & CRO free?
    Yes — CustomFit AI A/B Testing & CRO offers a free plan alongside paid options. The free plan includes Available for development stores only, 1 Campaigns, and A/B Testing. Paid plans start at $149/month for advanced features.
    When was CustomFit AI A/B Testing & CRO launched?
    CustomFit AI A/B Testing & CRO launched on May 16, 2023 — over 3 years on the Shopify App Store. In that time it has gathered 19 merchant reviews.
    Is CustomFit AI A/B Testing & CRO Built for Shopify?
    CustomFit AI A/B Testing & CRO does not currently carry Shopify's Built for Shopify badge. The badge is awarded to apps that meet Shopify's published standards for performance, ease of use, and merchant value — many high-quality apps operate without it.
    What are the best CustomFit AI A/B Testing & CRO alternatives?
    Merchants commonly compare CustomFit AI A/B Testing & CRO with PageFly Landing Page Builder, Kaching Bundles App & Upsells, BOGOS, and GemPages Landing Page Builder. Each alternative covers a similar use case but differs on pricing model, integration depth, and the specific themes merchants praise in reviews — see the alternatives section above for a side-by-side.

    Methodology

    Where the numbers come from.

    Ratings, review counts, pricing tiers, “Built for Shopify”, launch date, and category memberships come from the live Shopify App Store listing — refreshed daily by Ongoing.AI’s crawler. The review-count trajectory is the diff between today’s snapshot and snapshots from 7 and 28 days ago. Topic counts and sentiment come from the review corpus, topic-tagged with Claude. Install footprint is observed via Ongoing.AI’s tech-detection pass against actively-tracked Shopify storefronts. Catalog position is computed at snapshot time against every active app sharing the primary category. Snapshot generated .

    Find every brand running CustomFit AI A/B Testing & CRO.

    Ongoing.AI tracks every Shopify brand’s app stack daily. Pull the full install list, filter by vertical or geography, and catch the moment merchants install — or churn off.

    Prefer the source? View CustomFit AI A/B Testing & CRO on the Shopify App Store ↗