EcommerceEditor's Pick

Rebuy Engine

Personalization and upsell engine for Shopify stores

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★4.6rating108 viewsPricing · Freemium from $99/moHot
The FalcoScan Intel PanelRebuy Engine · Ecommerce
Data updated 1 November 2026
Opportunity
High
Band
Saturation
Open
Band
Wrapper risk
Low
Band
Momentum
Hot
Market trend
Rating
4.6
of 5 · FalcoScan rating

Ecommerce AI has a narrow moat on average, from the moat scores of its rated products. What protects Ecommerce AI tools, and the widest moats

The Brief

What Rebuy Engine does

Rebuy uses AI to power product recommendations, in-cart upsells, post-purchase flows, and email popups — increasing Shopify AOV by 15%+ with personalized offers.

How Rebuy Engine compares with its closest alternatives

All 5 closest alternatives have a free plan, as Rebuy Engine does. Among the 5 that list a starting price, the cheapest is LimeSpot at $18 a month and the median is $50. Rebuy Engine starts at $99 a month, above that median. 4 of the 5 offer an API, as Rebuy Engine does. Rebuy Engine offers a web app. Of the alternatives, all 5 offer a web app. Rebuy Engine was founded in 2018; the alternatives were founded between 2013 and 2019, 4 of them earlier. Rebuy Engine is based in Minneapolis, United States; 2 of the 3 alternatives with a known headquarters are in the United States too, and the others in Canada.

Market position · Ecommerce

How Rebuy Engine compares in Ecommerce

Rebuy Engine has high opportunity and sits in the top third of 299 live Ecommerce tools on FalcoScan. Across Ecommerce, the average opportunity score is 65.2 and the average saturation score 35.9. FalcoScan rates Rebuy Engine's own market position as open. 58 of the 299 operating Ecommerce tools have hot momentum, and FalcoScan has recorded 6 shutdowns in the category.

Rebuy Engine compared with its closest alternatives
ProductOpportunitySaturationPricingPricing fromFree planAPIPlatformsMomentum
Rebuy EngineFounded 2018 · Minneapolis, United StatesHighOpenFreemium$99/moYesYesWebHot
CartHookFounded 2016ModerateOpenFreemium$50/moYesNoWebRising
MalomoFounded 2019 · Indianapolis, United StatesHighOpenFreemium$199/moYesYesWebHot
FindifyFounded 2013ModerateOpenFreemium$45/moYesYesWebRising
LimeSpotFounded 2013 · Vancouver, CanadaModerateOpenFreemium$18/moYesYesWebDeclining
Octane AIFounded 2016 · San Francisco, United StatesHighOpenFreemium$50/moYesYesWebHot

Exact opportunity and saturation scores for all 6 of these, and where each ranks in Ecommerce.

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What it ships with

Capabilities & who uses it

The capabilities Rebuy Engine exposes to builders and the verticals it currently serves.

AI Capabilities
RecommendationPersonalizationPredictive Analytics
Industry Verticals
E Commerce
Tagged

Rebuy Engine shows up when builders search for these

shopifyupsellrecommendationsaovpost-purchase
Similar tools · Ecommerce

Alternatives to Rebuy Engine

Products still running that do the same job, from the ecommerce market and related ones, closest match first.

See the Ecommerce market
Ecommerce
CartHook

Post-purchase upsell funnels for Shopify with AI optimization

★ 4.4Opportunity Moderate
Freemium
Ecommerce
Malomo

Branded order tracking that drives repeat purchase

★ 4.5Opportunity High
Freemium
Ecommerce
Findify

Personalized product search and recommendations for Shopify

★ 4.4Opportunity Moderate
Freemium
Ecommerce
LimeSpot

AI personalization and recommendations for e-commerce

★ 4.4Opportunity Moderate
Freemium
Ecommerce
Octane AI

AI quiz and shop quiz personalization for Shopify

★ 4.5Opportunity High
Freemium
Ecommerce
Okendo

Customer marketing platform with AI reviews and loyalty

★ 4.5Opportunity Moderate
Freemium
Featured in
Questions

Rebuy Engine: common questions

Is Rebuy Engine free?

Rebuy Engine has a free tier, with paid plans from $99 a month.

What are the best alternatives to Rebuy Engine?

The closest alternatives to Rebuy Engine that are still running, matched on the AI capabilities, uses and audience they share, are CartHook, Malomo, Findify, LimeSpot, and Octane AI.

Is Rebuy Engine still running?

Yes. As of 1 November 2026, FalcoScan lists Rebuy Engine as operating at rebuyengine.com.

Where is Rebuy Engine based?

Rebuy Engine is headquartered in Minneapolis, United States.

Does Rebuy Engine have an API?

Yes. Rebuy Engine offers an API.

Who is Rebuy Engine for?

Rebuy Engine is built for shopify brands and dtc.

How do I sign in to Rebuy Engine?

Sign in on Rebuy Engine's own website, rebuyengine.com. FalcoScan reviews Rebuy Engine but does not run its accounts, so logins, passwords and billing are handled by Rebuy Engine directly.

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