Usage & market intelligence
Observed on 8 ecommerce stores.
Last checked Sep 21, 2026
Frequently asked questions
Yes — across the stores we observe, 2 more confirmed installs than removals over the past 90 days.
High-ranked stores where we've observed Fermat include toms.com, littlesleepies.com, collarsandco.com, olly.com, cherokeeuniforms.com.
Stores running Fermat most often also run Klaviyo, Attentive, Gorgias.