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Kefi vs. Fast Bundle Product (FBP): Which App Scales Your Revenue Faster?

Both are BFS-certified, but only one is built for full-funnel growth. Compare the features, pricing, and scalability to see why high-growth Shopify stores choose Kefi.

Feature Coverage

Kefi supports a complete upsell + Bundle funnel

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Both apps help merchants create bundles, but Kefi extends far beyond pre-purchase bundling with features that increase revenue at every touchpoint—product page, cart, checkout, post-purchase, and thank-you page.

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FBP is primarily bundle-centric, whereas Kefi combines bundles + upsells + AI into one system.

Key Functional Differences
Bundle Types

Kefi provides a wide variety of bundle formats designed for both simple and advanced merchandising strategies, giving merchants the flexibility to create exactly the type of offer that drives conversions. In comparison, FBP covers the core bundle types but lacks some of the advanced options that Kefi offers.

Key Functional Differences
Upsell Capabilities

This is where the difference becomes significant.
Kefi supports full-funnel upselling, including high-impact post-purchase and thank-you page offers.
FBP does not support these upsell stages.

Slide Cart Upsells
Free Shipping Goal Bar (inside slide cart)
Countdown Timer (inside slide cart)
Post-Purchase Upsell Offers
Thank-You Page Upsell Offers
Cart-Level Rules & Logic
Enhance data clarity with personalization

These features allow Kefi to increase revenue even after the customer clicks “Buy”—a major advantage for merchants focused on maximizing AOV.

Pricing, Scalability & Experience
The pricing difference is simple:
Flat, Predictable, Unlimited
  • $39.99/month
  • All features included
  • No revenue cap
  • Pricing NEVER increases based on your success
Perfect for high-growth or scaling stores.
Revenue-Based Pricing
  • Pricing increases as your bundle revenue grows
  • High-growth stores often reach $115/month quickly
  • Cost continues to rise with success
This creates a higher cost ceiling for stores aggressively scaling their bundle strategy.
Kefi is Designed for Full-Funnel Revenue Growth
  • Product page personalization
  • In-cart upsells and incentives
  • One-click post-purchase offers
  • Thank-you page conversion boosts
  • AI bundles and recommendations
These combined touchpoints result in higher AOV and repeat conversions.
FBP Is Focused on
Pre-Purchase Bundling
FBP performs well for simple bundle creation but does not extend into full-funnel upsell optimization.
pricing comparison

Feature Comparison Table

BFS Certified
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Yes
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Yes
Mix & Match
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Yes (Regular Only)
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Yes (Regular Only)
Build Your Own Box
No
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Yes
Product Page Bundle Builder
No
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Yes
BXGY / BOGO
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Yes
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Yes
Volume Discounts
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Yes
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Yes
Buy N, Discount on Cheapest/Costliest
No
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Yes
AI Bundles
Limited (FBT only)
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Yes (All types)
Frequently Bought Together
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Yes
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Yes
Product Add-ons
Basic Only
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Page + Popup
Slide Cart Upsells
No
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Yes
Countdown Timer (Cart)
No
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Yes
Cart-Level Rules
No
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Yes
Post-Purchase Upsells
No
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Yes
Thank-You Page Upsells
No
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Yes
Pricing Model
Revenue-based (cost rises with sales)
$39.99/mo flat (no cap)
High-Growth Store Friendly
No
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Yes

Why Scaling Merchants Choose Kefi

Kefi isn't just a bundle builder—it’s a complete revenue engine. While FBP is a solid entry-point for basic needs, it lacks the depth required to maximize Average Order Value (AOV) as you scale.

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Predictable Growth

Never worry about "Success Taxes"—our flat pricing stays the same as you grow.

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Full-Funnel Impact

Capture revenue at every touchpoint: Product pages, Carts, and Post-Purchase.

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Advanced AI

Let data drive your bundles across every format, not just "Frequently Bought Together.

Final Verdict
If you want an app that turns your entire shopping experience into a conversion machine with no revenue caps, Kefi is the clear winner.