π In this article
An OpenCart store owner with 5-50 thousand SKU typically faces a choice of 5 smart-search solutions. From $0 (standard LIKE) to $500+/mo (Algolia). Honest review of each from our integration experience, with real prices, pros/cons, and recommendation for when each is best. We're a vendor of one of these β so we'll be transparent about that, but all numbers and competitor evaluations are factual.
TL;DR β comparison table
| Solution | Start ($/mo) | 10k SKU ($/mo) | OpenCart integration | Multilingual UA/RU | Contract |
|---|---|---|---|---|---|
| OpenCart LIKE | $0 | $0 | built-in | weak (LIKE) | β |
| Klevu | from $99 | $299-499 | JS-overlay | limited | often annual |
| Searchanise | from $19 | $59-99 | JS-snippet | limited | often annual |
| Doofinder | from $29 | $99-299 | API + JS-layer | good | monthly |
| Algolia | from $500 | custom quote | API-only (DIY) | good | often annual |
| AI Search v1.0.5 | $0 / $12 | $29 | native module | excellent (e5) | monthly |
1. Standard OpenCart LIKE search
Price: free (built into OpenCart 3 and 4).
How it works: SQL WHERE LOWER(pd.name) LIKE '%query%' OR LOWER(pd.description) LIKE '%query%'. No morphology, fuzzy matching, synonym dictionaries, or ranking.
Best for: stores under 100 SKU with English catalogs. On larger catalogs loses money β see our "Why OpenCart search doesn't find products".
2. Klevu
Price: from $99/mo (Starter), typical $299/mo (Pro), Enterprise from $499+/mo. Smart Category, Smart Recommend β separate.
How it works: Cloud SaaS with proprietary model on e-commerce data. OpenCart integration is JS-overlay over the existing search.
Best for: enterprise stores $500k+/mo with merchandiser team on US/UK English catalog. Deep dive in "AI Search vs Klevu".
3. Searchanise / Searchspring
Price: Plus $19-29/mo, Pro $59-99/mo, Premium $199-299/mo.
How it works: Cloud-hosted JS-widget. 2-minute install β JS snippet in footer. In 2021 acquired by Searchspring.
Best for: stores wanting fastest smart-search launch on English catalog. Deeper β "AI Search vs Searchanise".
4. Doofinder
Price: Free (up to 200 SKU), Starter $29+/mo, Growth $99/mo, Advanced $299/mo, Enterprise $499+/mo.
How it works: Cloud SaaS focused on SMB. Integration via API + JS-layer. Spanish product, good multilingual support for EU markets.
Best for: EU stores 1k-10k SKU with good budget. "AI Search vs Doofinder".
5. Algolia
Price: Build (free up to 10k searches/mo), Grow $500+/mo, Premium custom quote ($1000-3000+/mo).
How it works: Cloud search-API. No ready OpenCart module β needs your developer to integrate Algolia API via PHP/JS.
Best for: tech-savvy enterprise stores $1M+/mo with own dev team. For most OpenCart stores β overkill.
6. AI Search v1.0.5 (ours)
Price: Free $0 (up to 200 SKU), Starter $12 (2k), Business $29 (10k), Pro $79 (50k), Enterprise $199 (unlimited). AI Filters, multilingual, embeddings β included in every tier.
How it works: Native OpenCart module via event hooks. Replaces only backend search logic β frontend stays your twig, design, URLs. Embedding compute on our GPU servers.
Best for: OpenCart 3 and 4 stores any size on CIS/EU/multi-language market. Case on 30k SKU β "isklad.com.ua case study".
How to pick: short decision tree
- Store <200 SKU or just testing: AI Search Free or standard OpenCart LIKE.
- Store 200-50,000 SKU on UA/RU/PL/DE market: AI Search (Starter/Business/Pro) β best price/quality.
- Store $500k+/mo with merchandising team on US market: Klevu or Searchspring.
- EU store $200k-1M/mo: Doofinder or AI Search Pro/Enterprise.
- Tech enterprise $1M+/mo with dev team: Algolia or Klevu Enterprise.
FAQ
Can I test multiple solutions in parallel?
Yes. Install on dev copy, run 50-100 of your real queries through each. 1-2 hours per setup + 1 hour benchmarking.
How long does migration take?
Migration from Searchanise/Klevu/Doofinder to AI Search β 1-2 hours setup + 2 weeks monitoring.
What if I have annual contract with Klevu/Searchspring?
Wait until contract ends, but test AI Search on dev copy in parallel. Quick switch when contract ends.
Solution with AI-recommendations besides Klevu/Searchspring?
Doofinder has smart suggestions, Algolia β recommend.js. AI Search recommendations roadmap Q3 2026.
Which is fastest?
Algolia fastest on marketing benchmarks (10-50ms via CDN). AI Search ~200ms on real production 30k SKU. Klevu/Searchanise/Doofinder claim 40-100ms via CDN but no public per-store production benchmarks.
Are recommendations needed for typical store?
Depends on domain. Fashion/electronics/beauty β yes (cross-sell critical). Houseware/furniture/general goods β less critical.