Side-by-side comparison

CustomFit AI A/B Testing & CRO vs Fly: Bundles & Quantity Breaksfor Shopify (2026)

A detailed comparison of CustomFit AI A/B Testing & CRO and Fly: Bundles & Quantity Breaks to help you pick the right Shopify app for your store.

5.0 ★

CustomFit AI A/B Testing & CRO

5.0 ★

Fly: Bundles & Quantity Breaks

Shared Category

Upsell and cross-sell

At a Glance

5.0

14 reviews

5.0

257 reviews

No-code A/B Testing and Website Personalization CRO platform built for marketers

5.0

14 reviews

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.

Maximize AOV with product bundles, combos, quantity breaks, volume discounts, upsells, FBT & BOGO

5.0

257 reviews

Boost cart value with a Fixed Bundle, BOGO or Frequently Bought Together blocks.
Drive bulk sales with tiered Quantity Break and Volume Discount triggers.
Incentivize larger carts with a Free Gift and automated bundle upsell tools.
Build well integrated, beautiful native widgets with zero impact on store speed
Breakdown of bundles for auto discounting, inventory sync, fulfilment, & return

FixMyStore

Run audits for SEO, CRO, PageSpeed, and AI visibility. Get a clear report and actionable fixes.