Royalty: Open-source Shopping Assistant icon

Royalty: Open-source Shopping Assistant

by https://joinroyalty.app · joinroyalty.app · Shopping
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Royalty applies the best coupons, tracks price history, and compares deals across thousands of retailers. Free and open source.

Users
73
−4 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#94K
#78K among extensions
Version
1.0.2
updated 7 Aug 2025

Users

monthly, 15 months
052103Aug 2025Apr 2026Oct 2026
Latest, 15 Oct 2026: 73 usersMove the mouse over the chart for any month

Ratings count

monthly, 15 months
001Aug 2025Apr 2026Oct 2026
Latest, 15 Oct 2026: 1 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 Royalty: Open-source Shopping Assistant

Tests thousands of coupons across 10,000+ online retailers in seconds. Tracks the price history of millions of products so you never overpay. Royalty is an open source browser extension that saves you money on the products you love. Royalty searches the internet for coupon codes and applies them automatically to find the best deal for you. Royalty also provides prices from other retailers and price history charts so you can make an informed purchasing decision when shopping online! Features: 🔎 Auto-Apply Coupons No more copying codes. Royalty automatically finds and applies the best coupon at checkout to save you money effortlessly. 📈 Price Tracking Graph Stay ahead of sales with a clean, visual graph showing historical price changes directly on product pages. 🔁 Compare Across Retailers See if the same product is available elsewhere for less. Royalty checks other stores and shows you better deals instantly. ✨ Lightweight & Privacy-Respecting Fast, efficient, and designed with your privacy in mind. No tracking. No spam. Open-source. Our codebase is on GitHub and we store no user information beyond what's needed for the extension to run. Shop confidently without the fear of being tracked. Please email us at royaltyextension25@gmail.com for any feedback or to request potential features.

Growth

WindowUsersChangeRatingsRating
7 days−5−6.4%00.00
30 days−4−5.2%00.00
6 months−3−3.9%00.00
1 year+56+329.4%00.00

Version history

3 versions recorded
1.0.27 Aug 2025
1.0.14 Aug 2025
1.0.02 Aug 2025

Details

Category
Shopping
First seen
2 Aug 2025
Size
589 KB
Languages
en
Pricing
Free
Extension ID
ggmkbfibnpcdgooafhjljadolcoepndj

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
storagescriptingsidePanelactiveTab
Site access
*://www.codecademy.com/**://www.target.com/**://www.costco.com/**://www.amazon.com/**://www.michaels.com/**://www.skillshare.com/**://www.kohls.com/**://www.gap.com/**://www.amazon.com/**://www.target.com/*and 15 more

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