Usage & market intelligence
Observed on 278 ecommerce stores.
Last checked Sep 24, 2026
Notable stores using Fast Simon
Observed installs, highest-ranked first
| Store | Traffic rank | Cohort |
|---|---|---|
| #6,854 | Top 10K | |
| #25,362 | Top 50K | |
| #32,532 | Top 50K | |
| #36,336 | Top 50K | |
| #52,932 | Top 100K | |
| #53,416 | Top 100K | |
| #57,188 | Top 100K | |
| #58,705 | Top 100K | |
| #66,013 | Top 100K | |
| #67,773 | Top 100K |
Showing 10 of 278 stores we track running Fast Simon.
Get the full listCommonly used with
Share of Fast Simon stores that also run each app
Competitors
Alternatives buyers weigh against Fast Simon
 { [native code] }){kind=small}
Frequently asked questions
We currently observe Fast Simon running on 278 ecommerce stores, most of them on Shopify.
Not currently — across the stores we observe, 5 more confirmed removals than installs over the past 90 days.
High-ranked stores where we've observed Fast Simon include akc.org, reebok.com, stevemadden.com, toms.com, shopakira.com. We track 278 stores running it in total.
Stores running Fast Simon most often also run Klaviyo, RS: AI Search Bar & Filter, Yotpo.
Common alternatives to Fast Simon include Algolia, Searchanise, Constructor.io, Klevu.
Fast Simon's observed install base spans Shopify (74%), BigCommerce (14%), WooCommerce (9%).