Search & Product Discovery ‑AI vs PA DiscoveryOS
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 5, 2026 for Search & Product Discovery ‑AI, Nov 8, 2026 for PA DiscoveryOS.
The short answer
- Only Search & Product Discovery ‑AI lists a free plan.
- Search & Product Discovery ‑AI lists 20 features PA DiscoveryOS’s listing doesn’t mention, including AI insights, Autocomplete, Cart upsell.
Head to head
Smart Instant Search, Product Filters, Voice Search, Analytics
- United Kingdom
- United States
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · Basic Features
- · ExpertRec Branding
- · Search Requests Up to 2K/month
- · Up to 50 SKUs
- · Upgrade for Support
Standard
- · 50K Searches
- · 5K SKUs
- · AI Synonyms, Search Redirects
- · Advanced Filters, Metafields Search
- · Boost and Bury Rules
- · GA4 Integration
Expert
- · AI Merchandising
- · Advanced Analytics
- · Everything in Standard
- · Live Chat Support
- · Search Requests Up to 100K
- · Up to 10,000 SKUs
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureExpertRec AI Search enhances search and discovery with customizable filters for price, collection, vendor, brand, color, size, tags, and metafields. It supports product variants, collection filters and sorting, and sidebar filters to simplify browsing. The search experience includes instant suggestions, autocomplete, autocorrect, and spell check to provide relevant results quickly.
Upgrade your Shopify Plus store by seamlessly integrating PA DiscoveryOS. Our proprietary Adaptive Transformer Search combines vector and keyword tech, using live model A/B testing to guarantee optimal results and flexible ongoing optimization. Easily manage complex catalogs with semantic merchandising, automate SEO pages, and unlock rich onsite retail media.
- Advanced search and discovery with instant Suggestions, Autocomplete,Spell Check
- Instant search & discovery with Navigation, Popular Queries & Ranking Control
- Smart Product Filter & Search: Unlimited Search Filters and Collection Filters
- Full-text search, Voice Search, Synonyms, Variant Support, and Search Redirects
- Adaptive Transformer Search Hybrid Vector + Keyword Search with live A/B testing
- Generate static SEO pages for any attribute combo to capture long-tail traffic.
- Session-Based Intent Drive conversion with 1:1 personalization based on real-tim
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Search & Product Discovery ‑AI |  PA DiscoveryOS |
|---|---|---|
| Detected stores | Not published | 2 |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Health & Beauty, Sporting Goods |
| Top store countries | Not published | United Kingdom, United States |
Reviews
| Measure | Search & Product Discovery ‑AI | PA DiscoveryOS |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 17 | Not published |
| New reviews, 28 days | 1 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Search & Product Discovery ‑AI | PA DiscoveryOS |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $65/month | No monthly plan listed |
| Longest free trial | 14 days | Not listed |
| Plans listed | 3 | Not published |
Listing
| Measure | Search & Product Discovery ‑AI | PA DiscoveryOS |
|---|---|---|
| Shopify category rank | #31(ahead) | #119 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Jan 23, 2020 | Apr 14, 2026 |
| Languages | 1 | 1 |
| Developer | ExpertRec | Particular Audience |
FAQ
Search & Product Discovery ‑AI and PA DiscoveryOS: common questions
- Is Search & Product Discovery ‑AI or PA DiscoveryOS cheaper?
- Only Search & Product Discovery ‑AI lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Search & Product Discovery ‑AI lists 20 the others don’t mention, such as AI insights, Autocomplete, Cart upsell, Checkout upsell. PA DiscoveryOS lists 1 the others don’t mention, such as Custom dashboards. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 5, 2026 for Search & Product Discovery ‑AI, Nov 8, 2026 for PA DiscoveryOS; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 5, 2026 for Search & Product Discovery ‑AI, Nov 8, 2026 for PA DiscoveryOS. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.