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CustomFit AI A/B Testing & CRO vs Essential Upsell & Cross Sell
Side-by-side comparison
CustomFit AI A/B Testing & CRO
No-code A/B Testing and Website Personalization CRO platform built for marketers
shopifyFree plan available
Essential Upsell & Cross Sell
One click upsell and cross sell. Show frequently bought together product upsell & related products.
Built for ShopifyshopifyFree plan available
At a glance
| Metric | CustomFit AI A/B Testing & CRO | Essential Upsell & Cross Sell |
|---|---|---|
| Rating | 5.0 ★ | 5.0 ★ |
| Total reviews | 19 | ★ 2.5k |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | — | ★ Yes |
| Pricing tiers | 3 tiers | ★ 4 tiers |
| Listed features | 5 | 5 |
| Featured placements | — | 3 |
| Languages | 1 supported | 20 supported |
| Listed since | May 2023 | Jun 2024 |
AppRanks verdict
Generated from live data on this pageThe call
On the measured data here, Essential Upsell & Cross Sell leads on more dimensions (4 vs 1). Pick CustomFit AI A/B Testing & CRO if one of the points where it leads is what you need.
Where CustomFit AI A/B Testing & CRO leads
- Lists A/B testing, Announcement bar and Checkout upsell (+10 more) in its marketplace category features; Essential Upsell & Cross Sell doesn't.
Where Essential Upsell & Cross Sell leads
- More published reviews: 2,493 vs 19.
- Available in more languages: 20 vs 1.
- Ranks higher in Upsell and cross-sell: #14 vs #297 of 1,328.
- Lists Automatic discounts, Bulk discounts and Bundles (+11 more) in its marketplace category features; CustomFit AI A/B Testing & CRO doesn't.
How this is generated
Built only from the Shopify App Store listing data shown on this page. AppRanks does not accept payment to influence comparisons. Read the methodology
Read each app's audit: CustomFit AI A/B Testing & CRO audit • Essential Upsell & Cross Sell audit
1. Listing metadata
Field-level data| Field | CustomFit AI A/B Testing & CRO | Essential Upsell & Cross Sell |
|---|---|---|
| Tagline | ||
| Listing audit | 91/100 listing audit | 95/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
2. Pricing & plans
Marketplace-listed plans · paid plans cheapest first, not matched tier-for-tierTier
CustomFit AI A/B Testing & CRO
Essential Upsell & Cross Sell
Free plan
Free
Free
- Only for dev stores, 14 days trial
- 1 A/B Testing
- 1 Personalization campaigns
- No-code AI Visual Editor
- AI Copilot
- Support on online & phone
Free
Free
- Up to $100 additional revenue generated
- Product page offers
- Post-purchase offers
- Analytics
- Translations
Paid plans
10000 visitors/mo
- Upto 10,000 Monthly Unique Visitors
- Unlimited A/B Testing
- Unlimited Personalization campaigns
- No-code AI Visual Editor
- Support on online & phone
Upto 10000 Monthly
- Unlimited A/B Testing
- Unlimited Personalization campaigns
- No-code AI Visual Editor
- AI Copilot
- Support on online & phone
Starter
- Up to $500 additional revenue generated
- Product page offers
- Post-purchase offers
- Analytics
- Translations
Essential
- Up to $1000 additional revenue generated
- Cart page offers
- Product page offers
- Post-purchase offers
- Analytics
- Translations
Growth
- Up to $2500 additional revenue generated
- Cart page offers
- Product page offers
- Post-purchase offers
- Analytics
- Translations
3. Features
As listed by each developerCustomFit AI A/B Testing & CRO
- 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
- SEO-friendly with fast performance and a flicker-free experience.
Essential Upsell & Cross Sell
- Show frequently bought products (FBT), related products, product recommendations
- Post purchase upsell & cross sell: Product addons, bought together bundles
- Automatic discount promotions: Add discounts to upsell & "also bought" products
- Product page upsell: Add one click upsell & cross-sell products & BOGO bundles
- Cart upsell: Add upsell cart app, cross-sell & product add-ons to cart drawer
4. Categories & rankings
Shared categories on the same row · in-category position inlineCustomFit AI A/B Testing & CRO
Essential Upsell & Cross Sell
Design element#244 of 574
—
—
Upsell and bundle#3 of 28
—
Cart customization#6 of 646
5. Category features
Marketplace-curated features per categoryUpsell and cross-sell9 shared · 30 total
Only in CustomFit AI A/B Testing & CRO
- Announcement bar
- Cart drawer
- Checkout upsell
- Custom CSS
- Custom HTML
- Pop-ups
- Progress bar
- Sticky cart
- Thank you page upsell
- Free gifts
- A/B testing
- Click-through rates
- Conversion rates
- Optimization suggestions
Only in Essential Upsell & Cross Sell
- Multi-currency
- Multi-language
- Bundles
- Priority processing
- Product recommendations
- Shipping protection
- Warranties
Listed by both (9)
- Cart upsell
- Custom rules
- Drag-and-drop editor
- One-click add-ons
- Product page upsell
- AI recommendations
- Frequently bought together
- Product add-ons
- Funnel performance
Cart customization0 shared · 11 total
Only in CustomFit AI A/B Testing & CRO
None
Only in Essential Upsell & Cross Sell
- Cart drawer
- Custom rules
- Custom styles
- Mobile responsive
- Promotions
- Bulk discounts
- Buy more, save more
- Frequently bought together
- Product recommendations
- Automatic discounts
- One-click upsell
6. Search rankings
Top 5 keywords · shared rankings prioritized| Keyword | CustomFit AI A/B Testing & CRO | Essential Upsell & Cross Sell |
|---|---|---|
| sell | Not ranked | #1 |
| upsell and cross-sell | Not ranked | #4 |
| upsell | Not ranked | #5 |
| test | #19 | Not ranked |
| testing | #24 | Not ranked |
7. Featured placements & badges
Editorial visibilityCustomFit AI A/B Testing & CRO0 all-time · 0 recent
Not featured in any section recently.
Essential Upsell & Cross Sell3 all-time · 3 recent
- category · Recommended upsell and bundle appsNovember 13, 2026
- category · Recommended marketing and conversion appsNovember 4, 2026
- category · Upsell and cross-sellOctober 23, 2026
8. Activity in the last 90 days
Tracked changes · pricing, features, copy, screenshotsCustomFit AI A/B Testing & CRO · 2 changes
- Nov 2descriptionListing copy updated
- Oct 2descriptionListing copy updated
Essential Upsell & Cross Sell · 6 changes
- Oct 29descriptionListing copy updated
- Oct 23descriptionListing copy updated
- Oct 23descriptionListing copy updated
- Oct 21descriptionListing copy updated
- Aug 21descriptionListing copy updated
- Aug 21descriptionListing copy updated
9. Quality signals
Reviews · velocity · latest sentiment| Signal | CustomFit AI A/B Testing & CRO | Essential Upsell & Cross Sell |
|---|---|---|
| Average rating | 5.0 ★ (19) | 5.0 ★ (2.5k) |
5 latest reviews · each app
CustomFit AI A/B Testing & CRO
Review text isn't collected for this app yet (19 reviews on the marketplace).
Essential Upsell & Cross Sell
- Nov 9, 2026
good
- Nov 8, 2026
top
- Nov 8, 2026
- Nov 7, 2026
- Nov 6, 2026
FAcil de ocupar y funciona perfecto
10. App details
Long-form descriptionCustomFit AI A/B Testing & CRO
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
Essential Upsell & Cross Sell
Boost AOV with the Essential Upsell app, offering customizable product upsell & cross-sell & "add to cart" widgets. Display frequently bought together (FBT), related products & product addons on product page & cart drawer. Create upsell and cross-sell strategies with "also like" product recommendations, product bundles, buy x get y & one-click upsells. Offer post purchase upsell discounts & automatic promotions with recommended products & cart frequently bought items. Secure: 3rd-Party Tested.
Frequently asked
Common questions about this comparisonIs CustomFit AI A/B Testing & CRO or Essential Upsell & Cross Sell cheaper?
Both CustomFit AI A/B Testing & CRO and Essential Upsell & Cross Sell offer a free plan. CustomFit AI A/B Testing & CRO lists no paid plan with a published price; Essential Upsell & Cross Sell lists no paid plan with a published price. Prices are as listed on the Shopify App Store; check what each tier includes in the Pricing section above.
Which has better reviews, CustomFit AI A/B Testing & CRO or Essential Upsell & Cross Sell?
CustomFit AI A/B Testing & CRO (5.0★, 19 reviews) and Essential Upsell & Cross Sell (5.0★, 2,493 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
Should I choose CustomFit AI A/B Testing & CRO or Essential Upsell & Cross Sell?
AppRanks cannot separate these two on rating — both sit at 5.0★. Essential Upsell & Cross Sell does carry the larger published review base (2,493 vs 19). Read both apps' detail pages for the feature breakdown and recent listing changes.
Which is faster to set up, CustomFit AI A/B Testing & CRO or Essential Upsell & Cross Sell?
Both apps are one-click installs from the Shopify App Store. AppRanks doesn't measure setup time directly; Essential Upsell & Cross Sell has more published reviews to read for user-reported install experience (2,493 vs 19).
Which works better for small vs large Shopify App Store merchants?
AppRanks cannot say which fits a larger or smaller operation — there is no store-size measurement in the Shopify App Store data. What it can show: CustomFit AI A/B Testing & CRO has 19 published reviews; Essential Upsell & Cross Sell has 2,493 published reviews. Compare plan limits and pricing tiers against your own volume.
Can I migrate data between CustomFit AI A/B Testing & CRO and Essential Upsell & Cross Sell?
Migration support varies by app and category. CustomFit AI A/B Testing & CRO and Essential Upsell & Cross Sell both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from CustomFit AI A/B Testing & CRO" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
11. Other comparisons people make
Apps similar to each onevs CustomFit AI A/B Testing & CRO
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