Shopify app
EstablishedFast Simon AI Search & Filters
Maximize your store sales & ROI with this easy-to-install app.
- Rating on Shopify
- 4.8(355)
- Reviews
- 355
- Developer
- Fast Simon
- Launched
- February 10, 2014
- Pricing
- Free plan available
- Languages
- English
The facts
Every value below is read from the listing or computed by the published formula. Nothing is a verdict.
Bayesian rating
4.73
category median 4.18
Reviews in the last 180 days
0
from the 3 reviews on the listing page
1 and 2 star share
4%
14 of 355
Starting price
$39.99/month
band: $30 to $99
Pricing plans as listed on Shopify
All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.
| Plan | Price | Billed yearly | Trial | Usage fee | Included |
|---|---|---|---|---|---|
| Free to install | Free | not offered | none | none stated | 100 Monthly Sessions; Search product Filters; AI-based Instant Search & AutoComplete; Typo & Auto-Correction; No-Code editor- configure the experience; Manual products curation on any widget; 24/7 Support + Online Resources; Daily Sync |
| Starter | $39.99/month | $399.96/year | none | none stated | FREE PLAN FEATURES+; 2,000 Monthly Sessions; Did You Mean, Synonyms, Antonyms; Custom Products Filters; Business Impact Analytics; Hourly & On-Demand |
| Essential | $99.99/month | $999.96/year | none | none stated | STARTER PLAN FEATURES+; 10,000 Monthly Sessions; Optimized Collection Filters; Advanced Impact Report; SKU Search; Product, HP, Cart, Minicart Widgets; Checkout & Tracking Page Widgets; Realtime Sync |
| Top Pro | $299.99/month | $2999.88/year | none | none stated | ESSENTIAL PLAN FEATURES+; 30,000 Monthly Sessions; Merchandising Rules and A/B testings; Visual Collection Merchandising; Upsell and Cross-Sell Merchandising; AI Multimodal Search; Custom Ranking Controls; Funnel Analytics |
Rating distribution
355 ratings on the listing at crawl time.
- 5 stars329(93%)
- 4 stars6(2%)
- 3 stars6(2%)
- 2 stars3(1%)
- 1 star11(3%)
Latest reviews
The 3 most recent of 3 on-page reviews, quoted to at most 25 words each. Full reviews are on the Shopify listing.
5 starsMar 11, 2026St. John KnitsUnited StatesOver 1 year using the app
"I've worked with Fast Simon for years and it is very user friendly! They are constantly making improvements and updates to the apo, Our CS ..."
3 starsNov 6, 2025WallhogsUnited StatesOver 2 years using the app
"Have utilized this app for two years now. Staff is friendly and quick to assist. Very nice app, however the metric used for billing is ..."
5 starsJul 31, 2024Bathroom StoreIrelandAbout 1 year using the app
"very happy with the app and support, with a recent google core updates and a need for shopify to be fast was a challenging. Fast ..."
Developer replied. Read on Shopify
Features Shopify lists for this app
Feature handles from the listing, grouped as Shopify groups them.
Search features
- Image search
- Instant search
- AI search
- Product recommendations
- Multi-filter
- Personalized search
- Search bar
- Exclude results
Display customization
- Mobile responsive
- Custom CSS
- Custom styling
- Custom filters
- Search results page
Analytics
- AI insights
- Conversion tracking
- Custom dashboards
- Filter usage
- Real-time analytics
- Behavior insights
- Search queries
- A/B testing
- Click-through rates
- Conversion rates
- Recommendation performance
- Optimization suggestions
- Funnel performance
Customization
- Checkout upsell
- Custom CSS
- Custom HTML
- Drag-and-drop editor
- Multi-currency
- Multi-language
- Custom rules
Works with
Third-party integrations link to their hub when 5 or more apps name them. Shopify's own surfaces are listed separately and never counted as integrations.
Shopify surfaces: Checkout
Data access
As disclosed on the listing. Never scored.
Not disclosed on the listing.
Developer
Fast Simon
- Apps in the dataset:
- 1
- Address:
- 5375 Beechwood Ln., Los Altos, CA, 94024, US
- Website:
- www.fastsimon.com
- Support email domain:
- fastsimon.com
- English support:
- yes
- Resources:
- Privacy policy, FAQ, demo store
Similar apps
Shopify's own similar-apps list first, then apps in the same category that share the most feature handles.
Algolia AI Search & Discovery
On Shopify, not yet in the dataset · listed as similar by Shopify
Appify Search & Discovery
On Shopify, not yet in the dataset · listed as similar by Shopify
Nosto | AI Search & Discovery
4.7(61) · listed as similar by Shopify
Luigi’s AI Search & Discovery
4.3(10) · shares 55% of feature handles
Athos: Unified Discovery
3.1(21) · shares 52% of feature handles
Relewise
No ratings yet · shares 44% of feature handles
From the Shopify listingDeveloper claims, shown verbatim and collapsed. 81 words.Show
- Search & Discovery directs shoppers with peak speed and accuracy based on intent
- Merchandising engages and inspires shoppers while optimizing inventory & sales
- Personalized Search & Filters that boost customers' conversions
- Interact with shoppers using AI shopping agents on your store's own data.
- Search Audiences lets you target and personalize the entire customer journey
Maximize Your Store Sales & ROI with AI Agents, Search, Merchandising, and Personalization.
We're passionate about delivering a cutting-edge eCommerce experience for our clients. That's why we've developed a revolutionary platform that integrates shopper behavior, store signals, and agentic AI to help you optimize your merchandising, navigation, search filters & AI shopping agents. Fast Simon powers shopping optimization through NO-CODE front end, API, JS SDK, REACT Components and Hydrogen. Let us help you take your eCommerce business to the next level.
Data as of Oct 15, 2026, from the public Shopify App Store listing. How the numbers are computed: methodology.
355 reviews counted on the listing. Rating and count in the structured data are the values Shopify displayed at crawl time.