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Fermat is a funnel-builder focused on post-click experiences for Shopify brands. While Fermat markets an AI agent called “Pierre”, the platform uses a mad-libs approach — you fill in predefined fields within rigid templates. This works for ramping up on standard direct-to-consumer funnels, but limits your testing velocity when you want to replicate competitor pages, experiment with differnet formats or content, or iterate beyond their predefined template structure. If you’re evaluating platforms, here’s what you need to know.

Limitations with Fermat

Fermat typically costs tens of thousands of dollars monthly once you factor in performance-based fees. The template-based approach works well for small brands that fit into their predefined funnel structures. But if your brand needs fall outside the most standard use-cases — or if you need to test unconventional formats — the constraints around customization, integrations, and pricing create bottlenecks for testing velocity and unit economics.

Mad-libs approach limits testing velocity

Fermat’s funnels follow a fill-in-the-blank structure — you input your copy, products, and offers into predefined templates. This works for basic product pages, but kills testing velocity when you need to iterate on layout, test new content structures, or replicate winning formats from competitors. You’re also locked into Fermat’s design system, which means every page looks like a Fermat page — not your brand.
What You NeedWhy Fermat’s Templates Fall Short
Custom product education (cleaning instructions, usage guides, ingredient breakdowns)Templates have fixed content blocks that don’t accommodate detailed product information
Novel bundling structures (build-your-own kits, tiered bundles, mix-and-match)Limited to predefined bundle formats — can’t build custom bundle logic or pricing rules
Brand-specific design (custom typography, color systems, spacing)Templates use Fermat’s design system, not your brand guidelines — pages don’t match your site
Competitor page replicationCan’t copy layouts or content structures from winning competitor pages
Unconventional offers (tiered discounts, subscriptions with gifts, loyalty rewards)Offer structures are limited to basic discount types supported by templates
Custom trust elements (certifications, testimonials, guarantees)Fixed placement and formatting — can’t customize how social proof appears
Seasonal or promotional layoutsTemplates don’t adapt to BFCM, seasonal drops, or limited-time campaign aesthetics

No native Shopify integration

Fermat runs on separate infrastructure, which means Shopify apps don’t work on Fermat pages, funnels aren’t indexed under your domain, and customer data splits across two platforms.

Sales-led pricing with platform lock-in

Fermat uses sales-led pricing where most meaningful features require talking to sales. Once you’re in, annual contracts with take rates (up to 5% on ad spend or revenue) for every customer acquired through paid channels.
Pricing AttributeFermatReplo
Go-to-marketSales-ledProduct-led
PricingHidden for most tiersTransparent usage-based
Revenue gatesGMV thresholds ($1M, $5M+)No revenue requirements
ContractsAnnual contractsNo long-term contracts
Performance feesUp to 5% take rateNo performance fees
Base cost$499-$2,500+/moUsage-based

This Is Where Replo Comes In

Replo is a product-led revenue-optimization platform that combines the power of a copywriter, performance marketer, and data scientist into one system. Backed by Y Combinator (S21) and investors including Infinity Ventures (formerly PayPal Ventures), General Catalyst, Figma, and Vercel, Replo serves 4,000+ brands around the world. Unlike Fermat’s fill-in-the-blank templates, Replo gives you full control — start with 500+ templates or copy any page from a URL, then customize everything. The platform works with any ecommerce system and charges transparent pricing with no performance fees or long-term contracts — explore all commerce integrations.

Start with 500+ templates, edit everything

Replo gives you 500+ conversion-optimized templates across every funnel type — product pages, advertorials, listicles, bundles, BFCM landers, gift guides. But unlike Fermat’s mad-libs approach, every template is fully editable. Change layouts, rearrange content blocks, customize design systems, or copy any competitor page from a URL. Replo rebuilds pages in minutes and adapts content to your products and branding automatically — learn how to build pages with AI.
Build this page exactly https://example.com/landing-page for a marketing campaign, no mistakes, no errors.

Native integration with your ecommerce platform

  • Shopify
  • Sell on Replo
  • 3rd Party Checkouts
Replo publishes directly to your Shopify theme. Every Shopify app works on Replo pages — subscriptions (Recharge, Skio), upsells (Zipify, ReConvert), reviews (Yotpo, Okendo), and loyalty programs. Your analytics stay unified, attribution is clean, and pages are indexed under your domain.What this means for you: If you’re running subscriptions or post-purchase upsells, native integration ensures that LTV lift applies to 100% of your paid traffic — learn more about the Shopify integration.

Works with different conversion motions

Replo supports multiple sales funnel types — product detail pages, advertorials, listicles, comparison pages, bundle builders, and lead capture funnels. Build landing pages for paid acquisition, email campaigns, influencer partnerships, or organic traffic — all in one platform.

Transparent pricing without getting punished for your success

Replo offers usage-based pricing with no take rates or long-term contracts. We will never punish you for your business growth.

Migrating from Fermat

Replo copies your existing Fermat pages directly. Use Replo to replicate your funnels, connect your commerce platform, and run A/B tests before switching traffic. Most migrations complete in minutes.

Frequently Asked Questions

Yep. Replo analyzes page structure, layout, and content from any URL and rebuilds it in minutes. Works for competitor pages, ad landers from Meta/TikTok/Google, and editorial content.
Yes. Replo supports Shopify, WooCommerce, Stripe, and external checkouts (Gumroad, Etsy, Calendly). Physical products work best on Shopify or WooCommerce. Digital products and services work best on Replo or any existing checkout platform of your choosing — view all supported platforms.

Book a demo to see how Replo can increase your testing velocity and lower your CAC.