Product Joy Predictor icon

Product Joy Predictor

by amc.kemp · Shopping
FeaturedManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Shows the probability of liking an Amazon product.

Users
6
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#233K
#195K among extensions
Version
0.3
updated 26 May 2025

Users

monthly, 3 years
049Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 6 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
001Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 0 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 Product Joy Predictor

Imagine you are stuck deciding between two Amazon products. You wonder, which one will I enjoy using more? Download this extension to learn the answer! Using the Laplacian Succession Theorem, this extension shows the probability (using a percentage) of you having a good experience with the product. Curious about the math? Watch this video to learn about Laplacian's Succession Theorem: https://www.youtube.com/watch?v=qBZKJNWFoH4. This extension only works for amazon.ca and amazon.com. Please email product.joy.predictor@gmail.com if you have any questions or concerns. Made by Amelia Kemp (amckemp on GitHub)

Growth

WindowUsersChangeRatingsRating
7 days−1−14.3%00.00
30 days−1−14.3%00.00
6 months0+0.0%00.00
1 year−2−25.0%00.00

Version history

3 versions recorded
0.326 May 2025
0.213 Feb 2024
0.15 Aug 2023

Details

Category
Shopping
First seen
5 Aug 2023
Size
39 KB
Languages
en
Pricing
Free
Extension ID
gdofpfiemcaellmhpjinbimdlanjmlen

Permissions and risk

Minimal riskimpact 1, likelihood 0

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