Fast Simon Reasoning Tool icon

Fast Simon Reasoning Tool

by fast-simon-for-chrome-extension · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Adds reasoning badges to Fast Simon product listings.

Users
81
−2 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#91K
#76K among extensions
Version
4.14
updated 26 Aug 2026

Users

monthly, 7 months
104887Mar 2026Jul 2026Oct 2026
Latest, 16 Oct 2026: 81 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months
012Mar 2026Jul 2026Oct 2026
Latest, 16 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Fast Simon Reasoning Tool

Understand why each product appears where it does on your Fast Simon-powered live pages. This extension reveals the logic behind product placement—including personalization, AI-driven recommendations, merchandising rules, and search or sorting configurations. Instantly view detailed reasoning directly on live pages to make faster, smarter merchandising decisions tailored to each shopper’s experience.

Growth

WindowUsersChangeRatingsRating
7 days−2−2.4%00.00
30 days−2−2.4%00.00
6 months+23+39.7%00.00

Version history

5 versions recorded
4.1426 Aug 2026
4.126 Aug 2026
4.1122 Jul 2026
4.1013 May 2026
4.930 Mar 2026

Details

Category
Developer Tools
First seen
30 Mar 2026
Size
50 KB
Languages
en
Pricing
Free
Privacy policy
fastsimon.com
Support
dashboard.fastsimon.com
Extension ID
fihioalcemekcjmcdhomaajigbamibon

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
tabsstorage
Site access
<all_urls>
Can read and change data on every website you visit.

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