Sledge vs Rebuy: where should your personalization start?
Rebuy runs deep personalization in the cart and checkout, and large stores lean on it. Two things send some stores looking: its pricing scales with order volume, so the bill rises as you grow, and its selling concentrates at the cart, after shoppers already decided in the search bar and collection grid. If earlier placement or a flat bill is why you're comparing, here's the straight read.
Rebuy is a strong personalization engine for high-volume Shopify stores: Smart Cart, checkout and post-purchase upsells, 825 reviews at 4.7 stars. Sledge starts earlier, in search, filters, and collections, and adds Growth Intelligence with dollar estimates. Rebuy's price grows with order volume. Sledge's never does.
How do Rebuy and Sledge compare at a glance?
| Rebuy Personalization Engine | Sledge | |
|---|---|---|
| Pricing model | Scales with order volume | Flat plans: $29.99, $89.99, $199, or $399 a month. The price never climbs on its own |
| Free trial | 14 days | 14 days |
| Reviews and rating | 4.7 stars across 825 reviews; in the App Store since 2019; built for mid-market and enterprise stores | Newer app with a smaller review base; judge it on your own store inside the trial |
| Search | AI-powered personalized search | Conversational AI search, included on every plan |
| Filters | Not offered | Included on every plan. Filters that sell, not just sort |
| Bundles | Bundling and frequently bought together | Nine types, including build-your-own, free gift, and volume discounts |
| Upsell and post-purchase | Smart Cart, checkout upsells, and post-purchase offers; the deepest part of the product | Upsell plus offers in instant search, search results, collections, product pages, and the cart |
| Tells you what to do next | No advisor; A/B testing measures the ideas you bring | Yes; Growth Intelligence suggests specific moves with dollar estimates, then measures each against real sales |
| A/B testing | Yes | Yes, on offers |
| Reviews and wishlist included | Not offered | Yes, both |
| Built for Shopify badge | Yes | Not yet |
Data as of June 2026. Rebuy's Smart Cart and mid-market base are genuine strengths, and this page says so.
Should you pick Rebuy or Sledge?
Choose Rebuy if:
- You run a high-volume store and want deep cart, checkout, and post-purchase personalization: Smart Cart, checkout upsells, post-purchase offers, tuned with A/B testing.
- Order-scaled pricing reads as fair: more orders touched, bigger bill.
- You sit in the mid-market or enterprise segment Rebuy builds for, its "end-to-end revenue generator."
- You want the Built for Shopify badge and an established base: 825 reviews at 4.7 stars, in the App Store since 2019.
Choose Sledge if:
- You want selling to start where deciding starts: the search bar, filters, and collections, offers inside each.
- You want a flat bill that ignores order volume, never scaling with usage, orders, or revenue.
- You want Growth Intelligence suggesting the moves, not only measuring them.
- You want reviews and wishlist included instead of two more subscriptions.
// Deep dive 1 · Journey position
Where does each app do its best selling?
Rebuy earns its reputation late. Smart Cart slides out at the right moment, checkout and post-purchase upsells catch the buyer in motion, frequently bought together rounds out the order. For a high-volume store, that's where small percentages turn into real money, and Rebuy works it well.
Sledge weights the other end, where most deciding happens. A shopper types "running shoes under $50," narrows a collection with filters, weighs two product pages. Sledge sells inside those moments: a bundle card in instant search, offers in results and filtered collections, then the cart drawer to finish. Sell where shoppers decide.
Both overlap: Rebuy includes AI-powered personalized search, Sledge covers the cart. The difference is the center of gravity. Sledge surrounds its search with filters, merchandising, reviews, and wishlist; Rebuy surrounds its cart with checkout and post-purchase depth.
// Deep dive 2 · Pricing model
What happens to the bill as orders grow?
Rebuy's pricing scales with order volume. For the mid-market and enterprise stores it targets, that's a familiar trade, friendly at low volume. Just budget for the growth: a strong quarter raises the order count, and the order count raises the bill.
Sledge's plans are flat: $29.99, $89.99, $199, or $399 a month, set by catalog size and by how often Growth Intelligence reports: weekly on Pro, up to daily on Accelerate and above. Order volume never moves the number. After your best month ever, the bill is the one you agreed to. Your price doesn't climb when your sales do.
// Deep dive 3 · Who supplies the ideas
A/B testing finds winners. Who supplies the contenders?
Rebuy's A/B testing is real and useful: bring two versions, the data picks the stronger one. The open question, what to test next, still comes from you.
Growth Intelligence supplies the contenders. Every store leaks money. Growth Intelligence finds it: it reads your orders, searches, and shopper behavior, then suggests the specific move with a dollar estimate attached. Click a finding and the offer opens pre-filled for review and save, A/B testing settles the variants, and Growth Intelligence measures the result. Every suggestion is checked against real sales, so you always know what's working. And why.
One app waits for your hypothesis. The other brings its own.
// Migration note
Switching from Rebuy to Sledge: what's involved?
For a high-volume store, carefully. The cart sits too close to checkout to swap on a whim.
- Install Sledge free. Rebuy keeps the cart while you evaluate.
- Start at the front: filters on collections, offers in search results, Growth Intelligence findings from day one. Test Sledge's search against Rebuy's on your real queries.
- Compare carts last. Swap the cart drawer only once Sledge proves itself upstream, and A/B test the change, the way Rebuy taught you.
If Rebuy's late-journey depth wins and order-scaled pricing fits the budget, stay; it's a strong product. If the early journey plus a flat bill wins, consolidate. Sledge uninstalls clean either way.
Questions, answered
Is Sledge a good alternative to Rebuy?
If you want selling to start at the search bar, yes. Sledge covers search, recommendations, bundles, upsell, and the cart drawer, plus filters, reviews, wishlist, and Growth Intelligence, on a flat price. For deep cart and checkout personalization at high order volume, Rebuy is the specialist.
Who is Rebuy built for?
Mid-market and enterprise Shopify stores, by their own positioning as an "end-to-end revenue generator." The product shows it: Smart Cart, checkout and post-purchase upsells, and A/B testing, on plans that scale with order volume. 4.7 stars across 825 reviews as of June 2026.
Which is cheaper, Rebuy or Sledge?
At low volume, Rebuy's entry plan can sit below Sledge's $29.99. That inverts as orders grow: Rebuy's price scales with order volume, while Sledge's plans stay flat at $29.99 to $399 regardless of orders or revenue. Project both bills at your target order count, not today's.
What does Sledge include that Rebuy doesn't?
As of June 2026: storefront filters, product reviews, wishlist, and Growth Intelligence, which suggests specific moves with dollar estimates and measures each against real sales. Rebuy counters with deeper checkout and post-purchase tooling. The overlap (search, recommendations, bundles, the cart, A/B testing) is wide, so run the 14-day trial and compare both ends on your own numbers.
// Keep reading
Start selling at the search bar.
Rebuy finishes carts well. Sledge starts earlier, where shoppers type what they want and filter to what they'll buy, with Growth Intelligence naming the next move and the dollars behind it. Install free and run both ends on your store.
14-day free trial · No code · Works with any theme · Uninstalls clean