Algolia ranks #1 for site search for an online store (score 9.7/10). Pricing: Usage-based: $0.50 per extra 1K searches (Grow); free tier: yes (10K searches/mo). Runners-up: Nosto, Rebuy.
Top 5, ranked by our published rubric. Sponsorship never affects the order. Last updated 2026-10-13.
Score 9.7/10Paid from: Usage-based: $0.50 per extra 1K searches (Grow)Free tier: yes (10K searches/mo)Last verified 2026-10-13
Why ranked: Its own site says: “18,000+ organizations trust Algolia to build intuitive, adaptive, high-performing experiences with a unified AI search & retrieval platform spanning agentic, generative, and search.” We placed it 1st of 5 on fit for this task. Free tier; paid from Usage-based: $0.50 per extra 1K searches (Grow).
Why ranked: Its own site says: “Boost sales and loyalty with Nosto’s AI-powered ecommerce personalization, merchandising, and search tools.” We placed it 2nd of 5 on fit for this task. No public price (sales-led).
Score 7.1/10Paid from: From $25/month as listedFree tier: UnverifiedLast verified 2026-10-13
Why ranked: Its own site says: “The world’s top brands use Rebuy’s personalization platform to fuel data-driven shopping experiences, win and keep more customers, and accelerate growth.” We placed it 3rd of 5 on fit for this task. No free plan confirmed; paid from From $25/month as listed.
Why ranked: Its own site says: “Try Shopify free. Build or grow your business fast with AI.” We placed it 4th of 5 on fit for this task. No free plan confirmed; paid from Basic €19/mo (EU pricing shown).
Why ranked: Its own site says: “Klaviyo unifies AI-powered email marketing and SMS to drive growth, retention, and measurable results.” We placed it 5th of 5 on fit for this task. Pricing unverified.