Royalty: Open-source Shopping Assistant

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

Users94

Rating5.0

Reviews1

Manifest versionV3

7-day growth-5

7-day growth rate-5.05%

Preview

Royalty: Open-source Shopping Assistant Media preview

6 assets

Trend

30-day user trend

Review user movement over the last 30 days.

User Growth Over Time

Rating trend

30-day rating change

Track rating movement over time to see whether quality signals remain stable.

30-day rating change

Start

5.00

Latest

5.00

30-day rating change

0.00

2026年6月1日2026年6月7日

Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthGrowing

+5+5.62%

7-day growthDeclining

-5-5.05%

30-day growthGrowing

+8+9.3%

Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version1.0.2

ManifestV3

Size589KiB

Languages1English

Published--

Store updated--

Last crawled--

Overview

Product summary

Review the store description, core capabilities, and common use cases.

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

Reviews