Fast Simon alternatives
12 search personalization tools compared on data from stores OngoingAI observes — including 271 running Fast Simon. Adoption, platform split and growth, not vendor claims.
| Alternative | Stores observed | 30d net | Primary platform | Overlap | Rating | Pricing |
|---|---|---|---|---|---|---|
 Klevu ‑ AI Search & Discovery | 2,816 | +20 | Magento (Adobe Commerce) | — | 4.9 | Free trial available |
 Searchanise Search & Filter | 2,424 | +30 | Shopify | — | 4.7 | Free plan available |
| Boost AI Search & Discovery | 2,233 | -2 | Shopify | 2% | — | — |
 Nosto | 659 | +16 | Shopify | 2% | — | — |
 Algolia | 388 | — | Shopify | — | — | — |
 Wizzy | 89 | +2 | Shopify | — | — | — |
 { [native code] }){kind=small} Constructor.io | 84 | -1 | Shopify | 0% | — | — |
| Advanced Woo Search | 3,784 | +33 | WooCommerce | — | — | — |
 Kiwi Size Chart & Recommender | 3,566 | +35 | Shopify | 2% | 4.7 | Free plan available |
 DOOFINDER ‑ Search & Discovery | 2,697 | +13 | PrestaShop | — | 4.7 | Free to install |
 Intelligems: A/B Testing | 2,391 | +54 | Shopify | 4% | 4.8 | Free trial available |
 Smart Product Filter & Search | 1,456 | +24 | Shopify | — | — | — |
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Frequently asked questions
Ranked by observed store adoption, the most widely used Fast Simon alternatives are Advanced Woo Search, Kiwi Size Chart & Recommender, Klevu, DOOFINDER.
Advanced Woo Search is the most widely adopted Fast Simon alternative we track — observed on 3,784 ecommerce stores, versus 271 running Fast Simon.
Intelligems gained the most confirmed installs over the last 30 days among the alternatives we track (+54 net confirmed stores).
Intelligems holds the highest rating among well-reviewed alternatives — 4.8 out of 5 across 197 reviews.
Searchanise Search & Filter, Kiwi Size Chart & Recommender advertise a free plan or free tier.