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Constructor.io alternatives
12 search personalization tools compared on data from stores OngoingAI observes — including 84 running Constructor.io. Adoption, platform split and growth, not vendor claims.
Every Constructor.io alternative, side by side
Ordered by relevance to Constructor.io · 30d net counts confirmed adds/removals only · overlap = share of Constructor.io stores also running it
| Alternative | Stores observed | 30d net | Primary platform | Overlap | Rating | Pricing |
|---|---|---|---|---|---|---|
 Klevu ‑ AI Search & Discovery | 2,869 | -29 | Magento (Adobe Commerce) | — | 4.9 | Free trial available |
 DOOFINDER ‑ Search & Discovery | 2,692 | +9 | PrestaShop | — | 4.7 | Free to install |
| Boost AI Search & Discovery | 2,267 | +2 | Shopify | 1% | — | — |
| Elasticsuite | 1,020 | +7 | Magento (Adobe Commerce) | — | — | — |
 Nosto | 668 | +4 | Shopify | 5% | — | — |
| Searchspring | 452 | +3 | Shopify | 7% | — | — |
 Algolia | 393 | — | Shopify | — | — | — |
 Fast Simon | 278 | -3 | Shopify | 1% | — | — |
| Slickstream | 105 | +14 | WooCommerce | — | — | — |
 Bloomreach | 102 | +8 | Shopify | — | — | — |
| Tagalys | 39 | — | Shopify | — | — | — |
| Advanced Woo Search | 3,833 | +4 | WooCommerce | — | — | — |
Fastest-growing Constructor.io alternatives
Confirmed net stores added over the last 30 days — observed changes, not new coverage
Alternatives by ecommerce platform
Where each alternative's stores mostly run
More comparisons
Frequently asked questions
Ranked by observed store adoption, the most widely used Constructor.io alternatives are Advanced Woo Search, Klevu, DOOFINDER, Boost AI Search & Discovery.
Advanced Woo Search is the most widely adopted Constructor.io alternative we track — observed on 3,833 ecommerce stores, versus 84 running Constructor.io.
Slickstream gained the most confirmed installs over the last 30 days among the alternatives we track (+14 net confirmed stores).
DOOFINDER holds the highest rating among well-reviewed alternatives — 4.7 out of 5 across 764 reviews.