Shopify app comparison · updated Sep 16, 2026
Klevu vs Smart
Compare Klevu and Smart for Shopify using current ratings, review activity, pricing, features, and OngoingAI-observed adoption.
Klevu
Klevu ‑ AI Search & Discovery
AI Search & product discovery platform that significantly improves conversion rate and AOV.
- Rating
- 4.90
- Reviews
- 13
- Review growth · 30d
- +1 · +8.3%
- Pricing
- Free trial available
- Years on Shopify
- 10
- Stores observed
- 2,439
Mezereon Inc.
Smart Search & Filter
AI-powered personalized search, collection filter, and instant search with advanced analytics.
- Rating
- 5.00
- Reviews
- 25
- Review growth · 30d
- +4 · +19.0%
- Pricing
- Free trial available
- Years on Shopify
- 6
- Stores observed
- 34
Our read
Klevu has the stronger observed market footprint in OngoingAI's data — it appears on 71.7× more tracked stores. Ratings and recent review growth are closer.
- Rating
- Smart leads slightly5.0 vs 4.9
- Review growth
- Smart faster+19.0% vs +8.3%
- Review depth
- Smart1.9× more reviews
- Observed adoption
- Klevu71.7× more tracked stores
Review trajectory
How each app's Shopify reviews are moving.
Daily App Store review counts since we began tracking — who's gaining reviews fastest, who holds the larger base, and how the race is developing.
Smart Search & Filter leads total reviews and is adding them fastest over the tracked window.
Reviews each app has gained since the start of this tracking window. · Tracking window · Aug 18 – Sep 16, 2026
Head-to-head
The signals, side by side.
Each row reads straight from the live App Store listing and OngoingAI’s census. The Difference column states the gap — not a buyer recommendation.
| Dimension | Klevu | Smart | Difference |
|---|---|---|---|
| Rating | 4.90 | 5.00 | Smart +0.10 |
| Reviews | 13 | 25 | Smart 1.9× |
| Review growth · 30d | +1 · +8.3% | +4 · +19.0% | Smart faster |
| Listed pricing | Free trial available | Free trial available | Not directly comparable |
| Years on Shopify | 10 | 6 | Klevu +4y |
| Stores observed | 2,439 | 34 | Klevu leads |
Which fits your requirements?
Choose by what you actually need.
Choose Klevu if…
- You need product recommendations
- You need upsell and cross-sell
- You need multi-currency
- A larger observed Shopify footprint is reassuring
Choose Smart if…
- You need navigation and menus
- You need infinite scroll
- You need scroll to top
- A higher App Store rating is a priority
Tied to observable requirements only — listed capabilities, ratings, review growth, adoption and price. It doesn’t assert usability or support quality.
Feature differences
What Klevu and Smart each do that the other doesn’t.
They cover largely the same ground — 73% of listed capabilities overlap. The decision material is the rest: what each lists that the other doesn’t.
Klevu only
9
- Product recommendations
- Upsell and cross-sell
- Multi-currency
- Custom rules
- AI recommendations
- A/B testing
- Click-through rates
- Conversion rates
- Recommendation performance
Smart only
10
- Navigation and menus
- Infinite scroll
- Scroll to top
- Image size
- HTML
- JavaScript
- Analytics
- Multi-filter
- Custom dashboards
- Behavior insights
27 shared capabilities
- Search and filters
- Autocomplete
- Instant search
- Multi-language
- AI search
- Typo tolerance
- Synonym groups
- Stop words
- Search suggestions
- Product boosts
- Personalized search
- Custom ranking
- Search bar
- Exclude results
- Mobile responsive
- Custom CSS
- Custom styling
- Filter display
- Custom filters
- Search results page
- Sorting
- AI insights
- Conversion tracking
- Filter usage
- Real-time analytics
- Search queries
- Drag-and-drop editor
Observed adoption
Who actually runs each, on real stores.
The stores OngoingAI’s weekly census observes running each app, and the platform each skews toward — observed presence, not vendor-reported install totals.
Klevu
2,439
stores observed
Skews Magento (Adobe Commerce) · 91%
Smart
34
stores observed
Skews Shopify · 100%
Scope
What this comparison measures.
What it measures
Shopify App Store ratings and review counts, rating distribution, developer reply rates, reviewer tenure and geography, listed pricing and capabilities, category data, and OngoingAI-observed storefront adoption for Klevu and Smart.
What it doesn’t
Hands-on usability, customer-support quality, deliverability, merchant sentiment from review text, or revenue impact. We draw a sharp line around what we can observe.
Methodology
Where the numbers come from.
Ratings, review counts, pricing, and categories come from the live Shopify App Store listing, refreshed daily. Review growth compares the observed snapshots across the trailing 30-day window. “Stores observed” and the platform split come from OngoingAI’s weekly storefront census — the real stores running each app, not the listing’s claimed totals. Comparison generated Sep 16, 2026.
See who’s switching — as it happens.
Track app adoption on live ecommerce stores. Find merchants running Klevu or Smart, follow stack changes, and see when a store installs, removes, or replaces an app.