Best Search App for bigcommerce Stores in 2025










Customers who use on‑site search are significantly more likely to convert
Mobile bounce rates increase sharply when users don’t find relevant results fast
Enhanced search can lead to meaningful increases in revenue and basket size
The default BigCommerce search doesn’t offer the advanced relevance models, merchandising controls or insight tools that modern merchants need to compete.
Fast Autocomplete & Predictive Suggestions – Speed and instant results keep shoppers engaged — autocomplete should update as users type.
Error Tolerance & Intent Recognition – Misspellings, plural forms, and synonyms should still return accurate results that reflect shopper intent.
Filter & Facet Control – Filters by category, price, brand, availability, and other product attributes help users narrow down quickly.
Business‑Driven Merchandising – Great search tools allow for promotions, best‑seller placement, hiding out‑of‑stock SKUs and more.
Search Analytics & Behaviour Insights – Know what shoppers search for, where they get stuck, and how to reduce zero‑result outcomes.
Mobile Speed & Theme Fit – Your search experience should feel seamless across mobile and desktop, without theme conflicts.
Integration Simplicity & Support – Easy setup and responsive support save your team time and ensure quicker ROI.
-<div class="comparison-table-card">
<table class="comparison-table"> <thead><tr> <th>App</th><th>Pros</th><th>Cons</th><th>Price*</th></tr></thead>
<tbody>
<tr><td>Clerk.io</td><td>Advanced AI ranking; instant results; merchandising & analytics suite; official BigCommerce app</td><td>Requires setup; custom pricing</td><td>Custom pricing</td></tr>
<tr><td>Searchanise</td><td>Good filters; fast setup; works with custom themes</td><td>Fewer AI-driven insights</td><td>Paid tiers</td></tr>
<tr><td>Doofinder</td><td>Autocomplete and multilingual; good admin UI</td><td>Some features locked to premium plans</td><td>Paid</td></tr>
<tr><td>Algolia</td><td>Highly scalable; fast engine</td><td>Requires developer setup and customisation</td><td>Premium</td></tr>
<tr><td>Boost Filter & Search</td><td>Easy to use; cost-effective for smaller stores</td><td>Lacks deeper search customisation</td><td>Paid</td></tr>
<tr><td>Klevu</td><td>Strong relevance and filtering; AI-enabled</td><td>Higher cost for full feature access</td><td>Paid</td></tr>
<tr><td>Smart Search (Searchanise variant)</td><td>Budget option; fast integration</td><td>Less suited for large catalogues</td><td>Low-cost</td></tr>
</tbody></table>
</div>
In your BigCommerce admin, go to Apps or Marketplace and search for “Clerk.io”. Install the official app.
Log in to my.clerk.io → go to Data → Configuration and select BigCommerce as your platform.
Provide the Store Hash, Client ID, Client Secret and any required tokens from BigCommerce.
Choose what data to sync: products, categories, customers, orders, pages.
Set up real‑time sync and include custom attributes if needed.
In the Clerk dashboard: design your Instant Search dropdown; set up your Search Page with filters and templates; configure boost/pin/bury merchandising rules; add typo tolerance, synonyms, and zero‑result fallbacks.
Embed the Instant Search snippet into your theme base layout (search bar input).
Insert the Search Page container code into your search results template (search.html).
Test your setup and monitor analytics in the Clerk.io dashboard for ongoing optimisation.
Q: Is BigCommerce’s native search good enough for growing stores?
A: It works for small catalogues but lacks intent recognition, merchandising rules, and search analytics — making it less suitable for growth‑driven teams.
Q: When should I upgrade my store’s search tool?
A: If you manage >10k SKUs, serve multiple markets, or want to personalise results based on behaviour, it’s time to upgrade.
Q: Does Clerk.io slow down store performance?
A: No — Clerk.io loads asynchronously and follows BigCommerce performance best practices.
Q: How long does it take to see results?
A: Most stores see positive impact within 30‑90 days of implementation.
Search is one of the most overlooked levers in a BigCommerce store’s conversion strategy. With a smarter, faster, AI-powered search experience, you’ll reduce friction, improve relevance and help customers find what they’re looking for.
Clerk.io stands out in 2025 as the most comprehensive search app for BigCommerce — combining relevance, control, analytics, and personalisation in one scalable solution.
Have one of our conversion rate experts personally assess your online store and jump on call with you to share their best advice.